113 th Congressional Districts PRODUCT GUIDE

Transcription

1 113 th Congressional Districts PRODUCT GUIDE

2 Information in this document is subject to change without notice and does not represent a commitment on the part of the vendor or its representatives. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, without the written permission of Pitney Bowes Software Inc Pitney Bowes Software Inc. All rights reserved. Adobe Acrobat is a registered trademark of Adobe Systems Incorporated in the United States. Products named herein may be trademarks of their respective manufacturers and are hereby recognized. Trademarked names are used editorially, to the benefit of the trademark owner, with no intent to infringe on the trademark. Further Information Corporate Headquarters: Pitney Bowes Software Inc. One Global View Troy New York Voice: (518) Fax: (518) Sales Info Hotline: (800) Government Sales Hotline: (800) Technical Support Hotline: (518) Technical Support Fax: (518) March 2013

3 Table of Contents Chapter 1: Introduction Overview Version History New In This Release Installation Specifications Source Data Projection and Datum Supported Versions Geographic Coverage Demographic Attributes Chapter 2: Data Description Overview Boundary Files th Congressional District Table Structure th Congressional District Table Structure th Congressional Districts Table Structure Chapter 3: Mapping 113th Congressional District Boundaries Working with Congressional Districts Data and Maps Locating a Map Object (Boundaries, Points, Streets) Identifying a Map Object Labeling a Map Object Geocoding with MapInfo Combining Boundaries

4 Table of Contents Product Guide 4

5 Introduction 1 This chapter includes an overview of the product, installation information, andproduct specifications. In this chapter: Overview Version History New In This Release Installation Specifications Geographic Coverage Demographic Attributes

6 Overview Overview The 113th Congressional Districts product contains 436 boundaries (including District of Columbia) showing the Congressional Districts that were in effect and presents information for 113th U.S Congress that began at January 3, For comparative purposes, this product also includes tables of the 111th and 112th Congressional District boundaries, which is suitable for pre- and postelection analysis. These tables are located in the \cd111 and \cd112 subdirectories. In simple terms, a Congressional District is a division of a state from which one member of the United States House of Representatives is elected. There are 435 voting member of the House of Representatives, apportioned from each of the 50 states. The District of Columbia has one non-voting member. As of the 2000 census, each district had approximately 646,952 people. States with relatively small populations have only a single district. (These states are Alaska, Delaware, Montana, North Dakota, South Dakota, Vermont, and Wyoming.) Such state has CD index of '00', for example: VT-00 or SD- 00 The boundaries of Congressional Districts are redrawn after each decennial census. The last major redistricting was for the 108th Congress based on the 2000 Census. There can be smaller adjustments to Congressional District boundaries between each major redistricting. For example, Texas had a redistricting that took effect in the 109th Congress. Version History Following is the version history for Congressional Districts data products. Version 103rd Congress (1992) 104th Congress (1994) 105th Congress (1996) 106th Congress (1998) 107th Congress (2000) 108th Congress (2002) 109th Congress (2004) 110th Congress (2006) 111th Congress (2008) Description First realignment of Congressional Districts following the 1990 Census. District changes in 6 states (Georgia, Louisiana, Maine, Minnesota, South Carolina, and Virginia). District changes in 5 states (Florida, Georgia, Kentucky, Louisiana, and Texas). District changes in 3 states (New York, North Carolina, and Virginia). District changes in 1 state (North Carolina). First realignment of Congressional Districts following the 2000 Census. District changes in 3 states (Maine, Pennsylvania, and Texas). These changes affected the November 2004 election for the 109th Congress, which was seated in January of No district changes No district changes 6 113th Congressional Districts

7 Chapter 1: Introduction Version Description 112th Congress (2010) 113th Congress (2012) No district changes Realignment of Congressional Districts following the 2010 Census. These changes affected the 2010 election for the 113th Congress, which was seated in January New In This Release The data has been updated with the latest election information from the November 2012 election, and includes names and contact information for each Congressional Representative. Installation The files for 113th Congressional Districts are uncompressed on the CD-ROM. You can either Use them in MapInfo software directly from the CD, or copy them to your hard drive for faster file access. Specifications This section describes the data sources and specifications of the 113th Congressional Districts data product. Source Data Boundary data references include U.S Census Bureau data and various state sources. Demographic data sources include U.S Census Bureau SF-1 and SF-3 datasets and MapInfo Estimates and Projections. Demographic information is current to year The contact information for the Representatives is from Projection and Datum 113th Congressional Districts files are delivered in Latitude/Longitude projection. All coordinates are based on Longitude/Latitude WGS84. Latitude and longitude values are signed with six decimal places. Note: Changing projection may slightly affect coordinate precision resulting in less than exact overlays in enlarged views. Supported Versions The 113th Congressional Districts data product is designed for the following software versions: Product Guide 7

8 Geographic Coverage MapInfo version 4.X and higher Geographic Coverage The geographic coverage for the 113th Congressional District products covers all 50 states and the District of Columbia. The boundaries are unshorelined, so, for coastal states, boundaries extend into the water. Demographic Attributes Congressional Districts are established every 10 years and are based on the decennial census. The 113th Congressional District boundaries have been compiled from state sources, including state election, legislative, and IT organizations. Demographic data sources include U.S Census Bureau SF-1 and SF-3 datasets and MapInfo Estimates and Projections. The race and ethnic groups available in the 113th Congressional District product are: White alone (alone: only one race was identified by the individual) Black or African-American alone American Indian or Alaska Native alone Asian (including Native Hawaiian and Pacific Islanders) Other Population (other and two or more races population) Hispanic or Latino origin Note: The federal government considers Hispanic or Latino origin different from race th Congressional Districts

9 Data Description 2 This chapter contains information about the data included in the 113th Congressional Districts product. In this chapter: Overview Boundary Files th Congressional District Table Structure th Congressional District Table Structure th Congressional Districts Table Structure

10 Overview Overview This chapter contains information about the data included in the 112th Congressional Districts data product, including: Boundary Files 113th Congressional District Table Structure 112th Congressional District Table Structure 110th Congressional District Table Structure Boundary Files The boundary portion of this product is based on MapInfo shorelined boundary file. 113th Congressional District Table Structure The following table summarizes the table structure for the 113th Congressional Districts data product. This table also includes names and contact information for each Congressional Representative, as well as demographic data for 2010 and th Congressional Districts Demographic Data Column Name Type Indexed Description Cong_Dist Char(5) Yes State and Congressional District Number State_Name Char(30) State Name State Char(2) State Abbreviation State_FIPS Char(2) State FIPS code District Char(2) Congressional District Number Polit_Aff Char(1) Political Affiliation of Representative D=Democrat, R=Republican, I=Independent, V=Vacancy Rep_Name Char(65) Representative's name Office Char(50) Representative's Office Location Tele_Num Char(15) Representative's Telephone Number POPBY Integer Total Population Base Year (2010) POPCY Integer Total population Current Year (2012) th Congressional Districts

11 Chapter 2: Data Description 113th Congressional Districts Demographic Data (continued) Column Name Type Indexed Description WHTPOPBY Integer White Population (2010) WHTPOPCY Integer White Population (2012) BLKPOPBY Integer Black Population (2010) BLKPOPCY Integer Black Population (2012) INDPOPBY Integer American Indian and Alaskan Native Population (2010) INDPOPCY Integer American Indian and Alaskan Native Population (2012) ASNPOPBY Integer Asian Population (Asian/Hawaiian/OPI) (2010) ASNPOPCY Integer Asian Population (Asian/Hawaiian/OPI) (2012) HIPPOPBY Integer Native Hawaiian and OPI alone (2010) HIPPOPCY Integer Native Hawaiian and OPI alone (2012) OTHPOPBY Integer Some Other Race alone (2010) OTHPOPCY Integer Some Other Race alone (2012) HSPPOPBY Integer Hispanic Population (2010) HSPPOPCY Integer Hispanic Population (2012) TWOPOPBY Integer White/Hispanic Population (2010) TWOPOPCY Integer White/Hispanic Population (2012) PADULTBY Integer Population 18 and Older (2010) PADULTCY Integer Population 18 and Older (2012) COLORSHADE Integer Yes Field that can be used for individual value themes. The field is populated with values from 1 to 6 such that no adjacent regions share the same value. Product Guide 11

12 112th Congressional District Table Structure 112th Congressional District Table Structure The following table summarizes the table structure for the 112th Congressional Districts data product. This table also includes names and contact information for each Congressional Representative, as well as demographic data for 2000 and th Congressional Districts Demographic Data Column Name Type Indexed Description Cong_Dist Char(5) Yes State and Congressional District Number State_Name Char(40) State Name State Char(2) State Abbreviation State_FIPS Char(2) State FIPS code District Char(2) Congressional District Number Polit_Aff Char(1) Political Affiliation of Representative D=Democrat, R=Republican, I=Independent, V=Vacancy Rep_Name Char(50) Representative's name Tele_Num Char(15) Representative's Telephone Number Office Char(20) Representative's Office Location POP2K Integer Total Population (2000) POPCY Integer Total population (2004) WHTPOP2K Integer White Population (2000) WHTPOPCY Integer White Population (2004) BLKPOP2K Integer Black Population (2000) BLKPOPCY Integer Black Population (2004) INDPOP2K Integer American Indian and Alaskan Native Population (2000) INDPOPCY Integer American Indian and Alaskan Native Population (2004) ASNPOP2K Integer Asian Population (Asian/Hawaiian/OPI) (2000 ASNPOPCY Integer Asian Population (Asian/Hawaiian/OPI) (2004) th Congressional Districts

13 Chapter 2: Data Description 112th Congressional Districts Demographic Data (continued) Column Name Type Indexed Description OTHPOP2K Integer Other Population (Other & Two or more Races Population) (2000) OTHPOPCY Integer Other Population (Other & Two or more Races Population) (2004) HSPPOP2K Integer Hispanic Population (20o0) HSPPOPCY Integer Hispanic Population (2004) WHPOP2K Integer White/Hispanic Population (2000) WHPOPCY Integer White/Hispanic Population (2004) AOHPOP2K Integer All other Races Hispanic Population (2000) AOHPOPCY Integer All other Races Hispanic Population (2004) ADULT2K Integer Population 18 and Older (2000) ADULTCY Integer Population 18 and Older (2004) COLORSHADE Integer Yes Field that can be used for individual value themes. The field is populated with values from 1 to 6 such that no adjacent regions share the same value. 111th Congressional Districts Table Structure Baseline data for the 111th Congressional Districts are also included in this product. This data is provided for comparative purposes and can be used for pre- and post-election analysis. Its table structure is the same as that of the 112th Congressional Districts table. Product Guide 13

14 111th Congressional Districts Table Structure th Congressional Districts

15 Mapping 113th Congressional District Boundaries 3 The following examples highlight some MapInfo Professional functions as they relate to the 113th Congressional Districts data product, These are not tutorials, nor do these examples describe the full capabilities of MapInfo Professional. These simply describe a few ways in which you can use MapInfo Professional to visually analyze the wealth of data contained in the 112th Congressional Districts product. See the MapInfo Professional User Guide for complete information on using MapInfo Professional. In this chapter: Working with Congressional Districts Data and Maps Locating a Map Object (Boundaries, Points, Streets) Identifying a Map Object Labeling a Map Object Geocoding with MapInfo Combining Boundaries

16 Working with Congressional Districts Data and Maps Working with Congressional Districts Data and Maps You can use MapInfo Professional and the data provided with the 112th Congressional Districts product to create maps that graphically display a great deal of geographic and demographic information relating to Congressional Districts. Demographic data could be related to the state level or to the more granular Congressional District level. Some examples will illustrate the kinds of maps that can be created with the 112th Congressional District product and MapInfo Professional. Number of Congressional Districts by State In this simple example, we have used the MapInfo USA.tab file and the Congressional District data to create a map that shows the number of Congressional Districts by state. For simplicity, we have omitted Alaska and Hawaii from this map th Congressional Districts

17 Chapter 3: Mapping 113th Congressional District Boundaries A variation of this map shows all the labelled states, but shows the number of Congressional Districts for only those states that have 10 or more Congressional Districts (CA, FL, GA, IL, MA, MI, NC, NJ, NY, OH, PA, TX, VA). To produce this map, an SQL Select statement (Query > SQL Select...) was used to identify states that had more than nine Congressional Districts. Congressional Districts for One State Shaded by Color The following map illustrates the congressional districts for the state of Illinois. The color-coded legend shows the party affiliation and the labels indicate the name of the Representative for each district. The map has been enhanced to provide an active link to the web site for each Representative. Note the HotLink symbol associated with Representative Wm. Lacy Clay of the 1st Congressional District of Missouri. The URL appears in the Status Bar at the bottom left of the window. The MapInfo Professional User Guide describes: how to add a URL field to a a MapInfo table (from the MapInfo menu, select Table > Maintenance > Table Structure) how to make the map object active and how to use the HotLink tool in a Browser Window or Map Window Product Guide 17

18 Locating a Map Object (Boundaries, Points, Streets) Detailed Demographic Analysis by Congressional District The following map illustrates the White and African-American population density, focusing on three districts in eastern Illinois. The thematically-shaded dot density map uses red squares to represent each 13,000 White persons and green circles to represent each 13,000 African-Americans. This is a simple example, and you could construct maps to show much more complex economic, social, and political demographic/geographic relationships. Locating a Map Object (Boundaries, Points, Streets) You can use the Find feature to locate any map object. For example, if you knew the last name of a Congressional Representative, you could easily locate the Congressional District of that Representative. Or if you added a county layer to your map, you could locate the county on the USA map. From the MapInfo Main Menu choose Query > Find. From the Search Table: drop-down list, select the name of the table you want to search (such as US_CNTY). From the for Objects in Column: drop-down list, select or specific column you want to search (such as County). Click OK. In the Find dialog box, type the name of the map object you are looking for (in this case, a county name). Click OK. MapInfo Professional displays a symbol at the center point of the selected object. If the location is not already in the current view on the screen, MapInfo Professional redraws the map with the selected boundary in the center of the Map window th Congressional Districts

19 Chapter 3: Mapping 113th Congressional District Boundaries You can also type the first few digits or characters of the desired object so that the list displays all the objects that begin with those characters. Continuing the current example, if you type sheb and click OK, the Find dialog box will display county names beginning with those characters. You could then select Sheboygan and click OK and the county location will be marked with the appropriate symbol on the map. To display a list of all map objects in the table, choose Find and type an asterisk. Click OK. Use the Down or Up buttons to browse the list. Select a name and click OK and that location will be marked on the map. Identifying a Map Object You can determine information about any displayed map object (boundary, point, polyline) with the Info button from the Main Toolbar. The cursor displays as a small cross-hair. Click within the boundary or on the object you want to identify. An information box appears containing data associated with the selected object. Labeling a Map Object Map objects can be labeled using several different methods. Use the Label button and select the object you want to label. The label will appear at the point specified. To change the font and size of individual labels, double-click on the label to display the Label Style dialog. You can also type your own map annotations with the Text button. To display labels automatically, use the Layer Control dialog box and check the Auto Label check box for the layer(s) that you want to label. Map objects will be labeled automatically according to the label settings for that layer. To change the settings, select a layer in the Layer Control dialog and click Label... The Label Options dialog will display, from which you can change the content, visibility, position, and style of the labels for that layer. Geocoding with MapInfo You may wish to geocode your own databases against the 112th Congressional District product. For example, you may have county-specific or municipal-specific data that you may wish to correlate with Congressional District data. Geocoding is the process of assigning geographic assigning geographic coordinates (latitude and longitude) to objects in a table or database. Once these latitude and longitude coordinates are in your table, you can display your records on a map in MapInfo Professional. Product Guide 19

20 Combining Boundaries To geocode a table from the MapInfo Professional user interface, you must match geographic information in your target table (referred to as a Geocode Table) to your source table (Search table), which already has coordinate data associated with it. The 113th Congressional Districts table already has coordinate data, and therefore can be used as a Search table for this purpose. 1. In the MapInfo Professional user interface, choose Geocode from the Table menu. In the Geocode dialog box, provide the required information as follows: 2. For Geocode Table area, specify the name of the table for which you want to apply X and Y coordinates. This is also called the Target table. 3. For using Column, specify the field in your table that contains the matching geographic information. 4. For Search Table, specify the data product table name. This is also called the Source table. 5. For Objects in Column, specify the name of the column in the data product that can be matched to your data, such as postal code or state name. 6. When your selection criteria are complete, click OK. A status window appears that lists the number and the success rate of processed data records. For example, let s assume that you want to geocode counties in the US_CNTY table against the Congressional District Boundaries. MapInfo reads the county information from your US_CNTY table (which is your Geocode or target table in this example) and geocodes using the coordinate data contained in the 113th Congressional District table. Once the geocoding process is complete, choose Window > New Map Window to display your newly geocoded data records as point locations. For more information on geocoding your data files, see the topic Geocoding Assigning Coordinates to Records in Chapter 4 of the MapInfo Professional User Guide. The MapInfo Professional online help also provides this information. Combining Boundaries You can make larger districts out of boundaries by combining them together. To create districts out of existing boundaries, use the following method. Run MapInfo Professional and open the MapInfo data product table in a Map window. Choose Map > View Entire Layer to make sure your boundaries are in view. Make the boundary layer (MO_CD109 layer) editable. Select the boundaries in the layer that you want to combine (Shift-Click to add to your selected set). Make sure not to select the point objects; they will not combine. Then choose Objects > Combine. In the Data Aggregation dialog, select the property that you want to aggregate (such as BLKPOPCY) and specify how you want the associated data to be aggregated. Choose from the following: Blank: Value: This column in the new object will be blank. This column will contain the same value as the original object or you can specify a new value in the edit box of the dialog th Congressional Districts

21 Chapter 3: Mapping 113th Congressional District Boundaries Sum: Average: Weighted by: No data: This column will contain the sum of the values contained in the original objects. This column will contain an average of the values contained in the original objects. When you choose Average, you can also choose a column or the boundary area to be used as a weighting factor. No data will be brought over from the original objects. When you have completed the Data Aggregation dialog, click OK. MapInfo Professional will combine the selected boundaries and display the new boundary. The common borders will be erased. Use the Info tool to view the newly aggregated data. Choose File > Save Copy As to save the new boundary and retain the existing MapInfo data product table. For more on combining boundaries, see the MapInfo Professional Reference Guide. Note: There are many other applications that can be performed using this data product in MapInfo Professional, such as thematically shading boundaries to show trends in data. These and other functions are fully described in your MapInfo Professional documentation set. Product Guide 21