DS-015Population & DevelopmentUnited StatesHISTORICAL DATA
U.S. Census Bureau
U.S. Census Data APIs
U.S. population and community structure
ACS, census, migration, housing, business, and public-finance data reaching counties, census tracts, and block groups.
“How do commuting, renting, and household structure reshape a neighborhood together?”
UPDATE
Annual / decennial
COVERAGE
1942–present · varies by dataset
ACCESS
Public API
LICENSE SUMMARY
U.S. government public statistics
AVAILABLE FORMATS
JSON · REST API
LICENSE
U.S. government public domain for Census-produced material; third-party exceptions
ATTRIBUTION
Name the U.S. Census Bureau, specific dataset or API, year, and access date.
PRE-PUBLISH CHECK
Review the official license basis ↗Recheck the API dataset notes, geographic level, statistical disclosure limits, and third-party copyright marks.