Learn about American Community Survey migration flows, and access state-to-state and state-to-county migration flows products. Also access historical products.

Read about how the 2006 change in migration imputation procedures impacted migration rates when using imputed cases.

This paper shows the Comparison of Migration Data between 2013 ACS and 2013 ASEC of the Current Population Survey.

Read a working paper that details why 5-year migration estimates from the ACS and CPS ASEC are not comparable.

User notes give caution, discuss weighting and estimation, explain variables, and so on.

Learn more about comparing the current American Community Survey estimates with the previous year, 2020 Census, 2010 Census, and 2000 Census by topic.

Access information on how to choose which dataset best suits your needs

Explore why we ask each question on the American Community Survey and how the answers are used to help your community.