Flagging that as of July 31st, 2025, the USDA-ERS has finally released the 2020 RUCA codes, which seem to be based on the [2020 tracts and zips](https://www.ers.usda.gov/data-products/rural-urban-commuting-area-codes).
Flagging that as of July 31st, 2025, the USDA-ERS has finally released the 2020 RUCA codes, which seem to be based on the 2020 tracts and zips.