| ZIP Codes: | 7 ZIP Codes (7 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 660 / 816 / 975 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:45 PM |
| Population: | 20,002 [See All] |
| FIPS: | 29177 |
| CBSA: | Kansas City, MO-KS |
| Land Area: | 479 sq mi |
| Water Area: | 6 sq mi |
| Coordinates: | 39.3011, -94.0233 |
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20,002 residents live across 7 ZIPs covering 479 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 19,267 to 20,002 from 2014 to 2024 — a +3.8% change. 4 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 64062 (Lawson, $92,277 median) and poorest ZIP 64036 (Henrietta, $46,786) are 22.5 miles apart — a 2.0× income gap across local geography.
Median home values vary 4.1× across this county — from $66,700 in 64036 (Henrietta) to $274,400 in 64062 (Lawson).
Density varies 5× across the county — from 16 people/sq mi in 64017 (Camden) to 79 in 64062 (Lawson).
Educational attainment ranges from 2.1% bachelor's+ in 64036 (Henrietta) to 21.0% in 64084 (Rayville) — the breadth of educational profiles across the area.
Within Missouri, this is the #55 most populous of 116 counties and ranks #30 for median household income .
Weighted by population, the typical household earns about $75,856 across the county — reflecting what a typical resident sees, not a simple ZIP average.
17.1% of adults age 25+ hold a bachelor's degree or higher (2,371 of 13,903 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 |
|---|---|---|---|---|---|---|
| 64085 | Richmond | Standard | 7,855 | $64,096 | 158.4 | -11.1% |
| 64062 | Lawson | Standard | 6,968 | $92,277 | 88.5 | 27.3% |
| 64077 | Orrick | Standard | 1,665 | $75,956 | 72.5 | 3.9% |
| 64084 | Rayville | Standard | 1,380 | $65,060 | 53.8 | -15.0% |
| 64035 | Hardin | Standard | 1,189 | $86,756 | 60.4 | 22.5% |
| 64036 | Henrietta | Standard | 610 | $46,786 | 24.2 | 81.5% |
| 64017 | Camden | Standard | 335 | $68,239 | 21.2 | -21.9% |