What this tracks
This dataset defines the regional groupings of counties within Missouri.
Why it matters to you
When applying for state grants or business licenses in Missouri, some programs have different eligibility requirements or processing times based on your county’s designated region. Knowing whether Atchison County is in “NW” region could determine which forms you need to complete or which state office handles your application. Residents checking disaster preparedness resources will also find region-specific emergency plans.
How to read this data
polycode — The combined state-county identifier (e.g., MO-03 for Atchison County).
county — The full county name (e.g., “Atchison”).
region — The two-letter regional designation (e.g., “NW” for Northwest Missouri).
Where this leaves you
This dataset doesn’t let you look anything up by your address, but it’s still a window into how the state operates. Read it to understand the scope of the program and what the official records contain; the city or state’s own interactive map (linked on this page) shows the locations involved.