Census and American Community Survey external links and technical documentation

External sources of Census and American Community Survey (ACS) data.

• Census Bureau Page
• Background for the American Community Survey
• Census Quickfacts
• Census Geographies 2000 to 2020
• Census Data Portal (data.census.gov)
• Census Population Estimates
• Census Population Forecasts
• ACS Table Shells
• ACS Deep Link Tutorial
• Census API Guide

Census Data for Colorado School Districts

• National Center for Educational Statistics (NCES)
• Colorado Department of Education

Historical Census Data

• IPUMS National Historical GIS
• Historical Census Data Lookup, 1870 to 2020