Data dictionary
Commerce Institute draws from 7 federal and public-domain data sources. Each one shows its current vintage, when we last ingested it, and what metrics it powers.
| Source | Vintage | Cadence | Status | License | Metrics |
|---|---|---|---|---|---|
|
BLS Local Area Unemployment Statistics US Bureau of Labor Statistics |
2025 | monthly | ● fresh | Public Domain | 4 metrics |
|
Census ACS 5-Year Estimates US Census Bureau |
2022 | annual | ● fresh | Public Domain | 14 metrics |
|
Census County Business Patterns US Census Bureau |
2022 | annual | ● fresh | Public Domain | 10 metrics |
|
County-Level Presidential Returns 2008-2024 tonmcg GitHub mirror (originally MIT Election Lab) |
2024 | every_4_years | ● fresh | Public Domain (federal election results) | 8 metrics |
|
IRS Statistics of Income Migration Data Internal Revenue Service |
2022 | annual | ● fresh | Public Domain | 8 metrics |
|
Zillow Home Value Index (smoothed, seasonally adjusted, mid-tier) Zillow Research |
2025 | monthly | ● fresh | Free for non-commercial research; commercial use requires Zillow approval | 2 metrics |
|
NOAA Climate Normals 1991-2020 (Monthly) NOAA NCEI |
2020 | one_time | — | Public Domain | 5 metrics |
Every place page footer shows the "as of" date for each metric. Methodology pages link back to this table.