| ZIP Codes: | 6 ZIP Codes (5 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 913 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:13 PM |
| Population: | 29,801 [See All] |
| FIPS: | 20121 |
| CBSA: | Kansas City, MO-KS |
| Land Area: | 507 sq mi |
| Water Area: | 10 sq mi |
| Coordinates: | 38.5634, -94.8255 |
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29,801 residents live across 6 ZIPs covering 507 sq mi, served by 6 distinct USPS-recognized cities.
Population moved from 28,936 to 29,801 from 2014 to 2024 — a +3.0% change. 4 ZIPs gained residents, 1 lost.
The county's wealthiest ZIP 66013 (Bucyrus, $164,320 median) and poorest ZIP 66064 (Osawatomie, $67,321) are 24.1 miles apart — a 2.4× income gap across local geography.
Median home values vary 4.2× across this county — from $172,100 in 66064 (Osawatomie) to $724,500 in 66013 (Bucyrus).
Density varies 5× across the county — from 18 people/sq mi in 66026 (Fontana) to 79 in 66064 (Osawatomie).
Educational attainment ranges from 10.7% bachelor's+ in 66026 (Fontana) to 56.9% in 66013 (Bucyrus) — the breadth of educational profiles across the area.
Within Kansas, this is the #20 most populous of 106 counties and ranks #2 for median household income .
Weighted by population, the typical household earns about $89,243 across the county — reflecting what a typical resident sees, not a simple ZIP average.
31.0% of adults age 25+ hold a bachelor's degree or higher (6,331 of 20,437 reporting).
5 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.