Developers

2018 API Changes

API Format Changes: 2010-2014 ACS Estimates

API Format Changes: SF1 2010

American Community Survey 5-Year Data (2009-2017)

Data available down to the block-group level. Covers a range of topics about social, economic, demographic, and housing characteristics of the U.S. population.

American Community Survey Migration Flows (2009-2016)

Migration flows between counties, minor civil divisions, and metropolitan areas using ACS 5-year data. Flows are crossed by selected characteristics.

American Community Survey 1-Year Supplemental Data (2014 - 2017)

High-level detailed tables tabulated on the 1-year microdata for geographies with populations of 20,000 or more.

New U.S. Census Bureau Research Maps the Roots of Social Mobility

New research and a mapping interface that looks at children’s outcomes in adulthood.

Response Outreach Area Mapper Web Application

This interactive map makes it easier to identify areas that typically have low response rates for censuses and surveys.

Census Business Builder Now Includes ?My Own Data? Upload

Census Business Builder now includes the ability for a user to upload their own data and to view it along with U.S. Census Bureau and other data.