Teaching With the Census

Apportionment is the process of dividing the 435 memberships, or seats, in the U.S. House of Representatives among the 50 states. At the conclusion of each decennial census, the results are used to calculate the number of House memberships to which each state is entitled. This map shows the changes to the number of Congressional seats for each state between apportionment based on the 2010 Census and apportionment based on the 2020 Census.

My Congressional District gives you quick and easy access to selected statistics collected by the U.S. Census Bureau through the American Community Survey (ACS) and County Business Patterns (CBP). The ACS provides detailed demographic, social, economic, and housing statistics every year for the nation's communities. CBP provides annual statistics for businesses with paid employees at a detailed geography and industry level.

There are a few ways that you can access 2020 Census Redistricting Data for your area on census.gov. In this Data Gem, you will discover three valuable resources to access these data. You will also learn about when to use one tool versus the others.

When trying to learn how your community has changed over time, it is possible to compare 2020 Census and 2010 Census Redistricting data to assess trends and changes in your area. However, it is crucial to understand the DO’S and DON’TS when making a comparison. In this Data Gem, you will learn a few tips about comparing 2020 Census and 2010 Census Redistricting data.

Do you know how many people live in your area or how many houses are occupied or vacant according to the 2020 Census? In this Data Gem, you will learn how to use the 2020 Census Demographic Data Map Viewer to easily visualize 2020 Redistricting Data for your area. In just a few clicks you will have access to population, race, Hispanic Origin, Housing Occupancy, and Group Quarters population data down to the census tract level.

The 2020 Census Demographic Data Map Viewer is a web map application that includes state-, county-, and census tract-level data from the 2020 Census. The map includes data related to population, race, Hispanic origin, housing, and group quarters. The map automatically switches from state data to county data and tract data as you zoom in to more detailed scales. The following maps are available within the application: