About

Official U.S. public data. Census first.

Fedabase is an English-language site for U.S. state and county population and median household income. It uses official APIs only.

What this is

The first and only statistical source is the U.S. Census Bureau American Community Survey 5-Year Detailed Tables (acs/acs5, vintage 2024). Discovery starts at census.gov/data/developers and api.census.gov/data.html.

Confirmed variables from the official variables.json: B01003_001E (total population) and B19013_001E (median household income in 2024 inflation-adjusted dollars).

What this is not

  • We do not crawl Data.gov or any CKAN catalog.
  • We do not scrape census.gov HTML tables.
  • Web pages never call the Census API. php tools/sync.php fetches; php tools/publish.php writes briefs; pages read MySQL.
  • We do not invent population or income numbers. An empty cache stays empty on the page.

How pages get here

CLI sync stores official JSON in MySQL. CLI publish generates briefs from those places rows with templates. A weekday cron can run both. See methodology.

Attribution

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Official documents

Who runs it

A small independently operated publication. Contact pygoda6@gmail.com.