Sources

Core Datasets

• American Community Survey (ACS)

  Demographic and housing estimates (ACS 5-year).

• U.S. Census Bureau TIGER/Line

  Geographic boundaries (states, counties, ZCTAs, places, etc.).

• Metro and Micro Areas (CBSA) — Census / OMB

  Definitions and delineations for Core Based Statistical Areas (CBSAs).

• HUD USPS ZIP Code Crosswalk

  ZIP to ZCTA/CBSA/county crosswalk tables.

• Bureau of Labor Statistics (BLS)

  Employment and unemployment metrics.

• BEA Regional

  Regional GDP and personal income series.

• BEA Regional Price Parities (RPP)

  Price level indexes (US=100) for states and metro areas, used as a cost-of-living proxy.

• HUD Fair Market Rents (FMR)

  Annual Fair Market Rent schedules (used for housing cost snapshots).

• U.S. Energy Information Administration (EIA)

  State-level average retail electricity prices (cents/kWh) derived from EIA-861 reporting.

• CDC PLACES

  Model-based local health estimates (county/place/tract/ZCTA) derived from BRFSS and Census/ACS inputs.

• NOAA/NCEI Storm Events Database

  Storm Events Database exports (StormEvents_details).

• EPA Air Quality System (AQS)

  Air-quality measurements (PM2.5, ozone, monitors).

• FCC National Broadband Map (BDC)

  Broadband availability metrics and related FCC datasets.

• FCC Mobile Broadband Data Collection (MBDC)

  Mobile coverage technology rollups (MBDC / FABRIC).

• North American Numbering Plan Administrator (NANPA)

  Area code (NPA) assignments and official numbering plan references.

• Biographical Directory of the United States Congress (Bioguide)

  Stable identifiers and public biographical records for Members of Congress.