American Community Survey (ACS)

American Community Survey Summary File Data

The ACS Summary File is a set of comma-delimited text files that contain all of the detailed tables for the ACS.

API (Application Programming Interface)

Source for developers to access data to create software applications

PUMS Data

Access ACS Public Use Microdata Sample (PUMS) data available through the American FactFinder website.

Data via FTP

Access downloadable American Community Survey (ACS) files on the Census Bureau's file transfer protocol (FTP) server.

Race/Ethnicity and American Indian & Alaska Native Data

Access data for detailed race, Hispanic origin, tribal, and ancestry population groups.

Custom Tables

If an ACS data need cannot be met with the data sources tables or PUMS data, users can request a custom tabulation.

Restricted-Use Microdata

Qualified researchers with approved projects can work under strictly controlled secure Census Bureau facilities administered by the Center for Economic Studies.