FairData, in association with Techpolitics, has developed maps of key constituency data for the 109th and 110th Congress.
The arrow icons below this text link to maps showing median household income by congressional district. Detailed tables which may be sorted by column and tie data to votes are found on the Techpolitics web site by clicking here.
Additional maps show percentages of minorities as well as socio-economic data from the 2000 census, party affiliation, Bush-Kerry and Bush-Gore (county-level), campaign contributions, social security recipients and unemployment rates (county level). Change maps by clicking the drop-down menu under "Compare Maps" to the left of the map image.
Depending on the zoom level, you can add and remove map layers (e.g. highways, places, county lines) by checking or unchecking the display boxes below the map image. Then click the Redraw button to refresh the map.
Starting at a scale of about 500 miles, you can hide the congressional theme in order to display county, tract, and block group themes. To do this, remove the check mark in the box to the left of "Congress District" underneath the map image, then click "Redraw". For the demographic maps based on the census, block group (neighborhood-level) themes automatically display at a scale of about 5 miles.
As described below, we have also produced an extensive set of charts comparing socio-economic census data for all congressional districts.
110th Congress Constituency Mapper
Map 1 (Default) -- Median Household Income (1999)
This map shows the new 110th congressional boundaries for Georgia and Texas
At a scale of about 5 miles, block group median household income is displayed in purple boxes. In densely populated urban areas, you may prefer to suppress block group boundary lines (remove the check mark to the left of "_Block Group") in order to better display the thick grey congressional lines. To display, highways, streets, etc., you must check the relevant display box below the map image and then click "Redraw".
Source: Census 2000 Summary File 3 (SF 3) Sample Data
Map 2 -- Party Affiliation of Incumbent
This map shows the winning party in the 2006 election by congressional district.
See Maps 12 and 13 for party affiliation by state legislative district (early 2007).
Map 2A -- Party Affiliation of Incumbent 109th Congress
This map shows the old 109th congressional boundaries for Georgia and Texas
Map 3 -- Winning Percentage in 2006 Congressional Elections
This map does not display data below the congressional level.
Source: CNN
Map 3A -- Winning Percentage in 2004 Congressional Elections
This map does not display data below the congressional level.
Source: C-SPAN
Map 4 -- Percent Minority (all races and Latino)
At a scale of about 5 miles, pie charts show population components by race and ethnicity by block group.
Source: Census 2000 Summary File 1 (SF 1) 100-Percent Data
Map 5 -- Population Below Poverty
At a scale of about 5 miles, block group population counts for persons living in poverty are displayed in purple boxes.
Source: Census 2000 Summary File 3 (SF 3) Sample Data
Map 6 -- Percent African-American (single race, inc. Hispanic blacks)
At a scale of about 5 miles, pie charts show population components by race and ethnicity by block group.
Map 7 -- Percent Latino (all races)
At a scale of about 5 miles, pie charts show population components by race and ethnicity by block group.
Map 8 -- Percent American Indian
At a scale of about 5 miles, pie charts show population components by race and ethnicity by block group.
Map 9 -- Percent Asian-American
At a scale of about 5 miles, pie charts show population components by race and ethnicity by block group.
Map 10 -- Unemployment rate by county, 2007 annual averages
Zoom in to see congressional boundaries. Unemployment rates by congressional district are not available. At a scale of about 200 miles, unemployment rates by county are displayed to a tenth of a percentage point.
This map does not display data below the county level.
Source: Bureau of Labor Statistics
Map 11 -- Bush-Kerry by County (Head-to-Head Contest)
At a scale of about 200 miles, green labels show votes cast for the two major party candidates by county. For total votes cast and votes by candidate (all parties), click the INFO button and then on a county. The election data can be accessed from the pop-up window under "County (Elections)".
This map does not display election returns below the county level.
Source: Dave Leip's Atlas of US Presidential Elections, 12/03/04.
Map 12 -- Party Affiliation (State Senate) 2007
Note: Incumbent and party affiliation data are from early 2007. There are nearly 7,500 legislators nationwide, so changes occur every month. Party affiliation is more stable than the name of incumbent.
Source: State legislature websites
Map 13 -- Party Affiliation (State House) 2007
See Map 12 note
Note: Bush-Kerry and Bush-Gore county-level maps are in the 109th Mapper below.
109th Congress Constituency Mapper
Map 1 (Default) -- Median Household Income (1999)
At a scale of about 5 miles, block group median household income is displayed in purple boxes. In densely populated urban areas, you may prefer to suppress block group boundary lines (remove the check mark to the left of "_Block Group") in order to better display the thick grey congressional lines. To display, highways, streets, etc.., you must check the relevant display box below the map image and then click "Redraw".
Source: Census 2000 Summary File 3 (SF 3) Sample Data
Map 2 -- Winning Percentage in 2002 Congressional Elections (108th Congress)
For colors to display when zoomed in, the box to the left of "Congress District" must be checked. This box is checked by default. This map does not display data below the congressional level. Texas is blanked out because district lines changed significantly between 2002 and 2004..
Source: Techpolitics
Map 2A -- Winning Percentage in 2004 Congressional Elections
This map does not display data below the congressional level.
Source: C-SPAN
Map 2B -- Winning Percentage in 2006 Congressional Elections
This map does not display data below the congressional level.
Source: CNN
Map 3 -- Party Affiliation of Incumbent
This map shows the winning party in the 2004 election by congressional district.
See Maps 22 and 23 for party affiliation by state legislative district (early 2007).
Map 3A -- Party Affiliation of Incumbent 110th Congress
This map shows the new 110th congressional boundaries for Georgia and Texas
Map 4 -- Percent Minority (all races and Latino)
At a scale of about 5 miles, pie charts show population components by race and ethnicity by block group.
Source: Census 2000 Summary File 1 (SF 1) 100-Percent Data
Map 5 -- Population Below Poverty
At a scale of about 5 miles, block group population counts for persons living in poverty are displayed in purple boxes.
Source: Census 2000 Summary File 3 (SF 3) Sample Data
Map 6 -- Percent African-American (single race, inc. Hispanic blacks)
At a scale of about 5 miles, pie charts show population components by race and ethnicity by block group.
Map 7 -- Percent Latino (all races)
At a scale of about 5 miles, pie charts show population components by race and ethnicity by block group.
Map 8 -- Population Under 19 Below 185% Poverty Level (Free/Reduced Meal Eligible)
Percentage calculations are estimated due to congressional lines splitting census block groups.
Source: USDA and Special Census 2000 Summary File 3 (SF 3) Sample Data, estimates by FairData
Map 9 -- Percent American Indian
At a scale of about 5 miles, pie charts show population components by race and ethnicity by block group.
Map 10 -- Percent Asian-American
At a scale of about 5 miles, pie charts show population components by race and ethnicity by block group.
Map 11 -- Unemployment rate by county, 2002 annual averages
Zoom in to see congressional boundaries. Unemployment rates by congressional district are not available. At a scale of about 200 miles, unemployment rates by county are displayed to a tenth of a percentage point.
This map does not display data below the county level.
Source: Bureau of Labor Statistics
Map 12 -- Unemployment rate by county, 2004 annual averages
This map does not display data below the county level.
Click here for an interactive table of December 2003 data by Techpolitics.
Source: Bureau of Labor Statistics
Map 13 -- 2004 Contributions (108th Congress)
For colors to display when zoomed in, the box to the left of "Congress District" must be checked. This box is checked by default. This map does not display data below the congressional level. Texas is blanked out because district lines have changed for the 109th Congress.
Click here for an interactive table of the data by Techpolitics.
Source: Federal Election Commission
Map 14 -- Social Security Recipients (all ages, 2003)
Note: Color themes for Maine and Pennsylvania are estimates based on 108th congressional boundaries. Texas is blanked out pending updated info from the Social Security Administration based on new congressional boundaries.
Click here for an interactive table of the data by Techpolitics.
At a scale of about 100 miles, zip code level data is automatically displayed for all states and DC. The numbers in purple boxes. show the Social Security recipient count at the zip code level. P.O. box zip codes are assigned to the surrounding zip code. More detailed data can be queried using the INFO tool.
Sources: Techpolitics, Social Security Administration, Bureau of the Census
Map 15 -- 18+ Soc. Security Recipients (% of 18+ pop., 2003)
Note: Color themes for Maine and Pennsylvania are estimates based on 108th congressional boundaries. Texas is blanked out pending updated info from the Social Security Administration based on new congressional boundaries.
Click here for an interactive table of the data by Techpolitics.
For colors to display when zoomed in, the box to the left of "Congress District" must be checked. This box is checked by default. This map does not display data below the congressional level.
Map 16 -- Social Security Recipients (Disabled, 2003)
Note: Color themes for Maine and Pennsylvania are estimates based on 108th congressional boundaries. Texas is blanked out pending updated info from the Social Security Administration based on new congressional boundaries.
Click here for an interactive table of the data by Techpolitics.
At a scale of about 100 miles, zip code level data is automatically displayed for all states and DC. The numbers in purple boxes. show the count of disabled Social Security beneficiaries at the zip code level. P.O. box zip codes are assigned to the surrounding zip code. More detailed data can be queried using the INFO tool.
Sources: Techpolitics, Social Security Administration, Bureau of the Census
Map 17 -- Bush-Kerry by County (Head-to-Head Contest)
At a scale of about 200 miles, green labels show votes cast for the two major party candidates by county. For total votes cast and votes by candidate (all parties), click the INFO button and then on a county. The election data can be accessed from the pop-up window under "County (Elections)".
Note that congressional lines are for the 109th congress ( 2005-2006)
This map does not display election returns below the county level.
Source: Dave Leip's Atlas of US Presidential Elections, 12/03/04.
Map 18 -- Bush-Gore by County (Head-to-Head Contest) See details above. Note that congressional lines are for the 109th congress ( 2005-2006), not the historical 2000 boundaries.
Source: Dave Leip's Atlas of US Presidential Elections
Map 19 -- Number of Farms (2002) by 109th Congressional District
Note: Color themes for Maine and Pennsylvania are estimates based on 108th congressional boundaries. Texas is blanked out due to significant changes in the 109th congressional boundaries.
Click here for an interactive table of the data by Techpolitics.
Sources: Techpolitics, Department of Agriculture (2002 Census of Agriculture)
Map 20 -- Veterans (2004) by 109th Congressional District
Note: Color themes for Maine and Pennsylvania are estimates based on 108th congressional boundaries. Texas is blanked out due to significant changes in the 109th congressional boundaries.
Click here for an interactive table of the data by Techpolitics.
Sources: Techpolitics, Veterans Administration 2004 projections based on 2000 Census
Map 21 -- Sec. 203 Language Map -- (Voting Rights Act language minority 18+)
This thematic map shows the percentage of voting age persons who do not speak English "very well". This category includes all non-English speakers 18 and over who speak English "well", "not well", or "not at all".
The counties outlined in blue that overlay the congressional boundaries are currently covered by Sec. 203 of the Voting Rights Act.
At a scale of about 5 miles , the number (by block group) of 18+ non-English speaking persons who do not speak English "very well" is displayed in purple boxes.
Source: Census 2000 Summary File 3 (SF 3) Sample Data
Map 22 -- Party Affiliation (State Senate) 2007
Note: Incumbent and party affiliation data are from early 2007. There are nearly 7,500 legislators nationwide, so changes occur every month. Party affiliation is more stable than the name of incumbent.
Source: State legislature websites
Map 23 -- Party Affiliation (State House) 2007
See Map 22 note
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Source: Census 2000 Summary File 3 (SF 3) Sample Data
Click here for 109th Congress profile data with percentage calculations prepared by the Census Bureau (no socio-economic race detail)
