Changelog
When each dataset was last fetched, and what changed. These are annual government datasets; we rebuild when a new vintage is published (RPP typically each spring).
BEA Regional Price Parities — 2024
Fetched for all 51 states + DC (2024, February 2026) and validated. Sourced from the official API.
BLS Local Area Unemployment Statistics — May 2026
Fetched for all 51 states + DC (May 2026, May 2026) and validated. Sourced from the official API.
US Census ACS 5-Year Estimates — 2024
Fetched for all 51 states + DC (2024, December 2025) and validated. Sourced from the official API.
BLS Occupational Employment and Wage Statistics — May 2025
Fetched for all 51 states + DC (May 2025, May 2025) and validated. Sourced from the official API.
FRED (FHFA House Price Index & state unemployment) — through 2026
Fetched for all 51 states + DC (through 2026, continuously updated) and validated. Sourced from the official API.
Tax Foundation — 2026 State Individual Income Tax Rates and Brackets — 2026
Hand-verified for all 51 states + DC (2026, tax year 2026) and validated. Manually maintained.
Tax Foundation — State and Local Sales Tax Rates, 2026 — 2026
Hand-verified for all 51 states + DC (2026, tax year 2026) and validated. Manually maintained.