| ZIP Codes: | 7 ZIP Codes (7 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 816 / 975 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:42 PM |
| Population: | 7,819 [See All] |
| FIPS: | 29063 |
| CBSA: | St. Joseph, MO-KS |
| Land Area: | 455 sq mi |
| Water Area: | 4 sq mi |
| Coordinates: | 39.8688, -94.4586 |
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7,819 residents live across 7 ZIPs covering 455 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 7,458 to 7,819 from 2014 to 2024 — a +4.8% change. 4 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 64490 (Stewartsville, $88,750 median) and poorest ZIP 64469 (Maysville, $62,059) are 14.3 miles apart — a 1.4× income gap across local geography.
Median home values vary 1.5× across this county — from $137,500 in 64474 (Osborn) to $202,400 in 64430 (Clarksdale).
Density varies 3× across the county — from 8 people/sq mi in 64422 (Amity) to 23 in 64490 (Stewartsville).
Educational attainment ranges from 8.8% bachelor's+ in 64422 (Amity) to 31.6% in 64474 (Osborn) — the breadth of educational profiles across the area.
Within Missouri, this is the #94 most populous of 116 counties and ranks #25 for median household income .
Weighted by population, the typical household earns about $72,965 across the county — reflecting what a typical resident sees, not a simple ZIP average.
22.2% of adults age 25+ hold a bachelor's degree or higher (1,192 of 5,361 reporting).
7 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 64469 | Maysville | Standard | 2,225 | $62,059 | 117.7 | -1.1% |
| 64490 | Stewartsville | Standard | 1,939 | $88,750 | 84.5 | -11.3% |
| 64494 | Union Star | Standard | 1,163 | $65,511 | 57.8 | 28.9% |
| 64474 | Osborn | Standard | 831 | $77,083 | 58.8 | -3.1% |
| 64430 | Clarksdale | Standard | 823 | $75,577 | 45.3 | 21.9% |
| 64497 | Weatherby | Standard | 488 | $69,250 | 45.1 | 44.8% |
| 64422 | Amity | Standard | 350 | $68,882 | 45.5 | 39.4% |