| ZIP Codes: | 5 ZIP Codes (5 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 660 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:43 PM |
| Population: | 9,202 [See All] |
| FIPS: | 29089 |
| CBSA: | Columbia, MO |
| Land Area: | 438 sq mi |
| Water Area: | 9 sq mi |
| Coordinates: | 39.1402, -92.7379 |
| Quick Link: |
9,202 residents live across 5 ZIPs covering 438 sq mi, served by 5 distinct USPS-recognized cities.
Population moved from 9,544 to 9,202 from 2014 to 2024 — a -3.6% change. 1 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 65250 (Franklin, $125,000 median) and poorest ZIP 65230 (Armstrong, $51,607) are 18.9 miles apart — a 2.4× income gap across local geography.
Median home values vary 2.2× across this county — from $77,100 in 65230 (Armstrong) to $168,100 in 65248 (Fayette).
Density varies 5× across the county — from 7 people/sq mi in 65250 (Franklin) to 37 in 65274 (New Franklin).
Educational attainment ranges from 9.0% bachelor's+ in 65230 (Armstrong) to 30.6% in 65274 (New Franklin) — the breadth of educational profiles across the area.
Within Missouri, this is the #87 most populous of 116 counties and ranks #21 for median household income .
Weighted by population, the typical household earns about $62,384 across the county — reflecting what a typical resident sees, not a simple ZIP average.
27.8% of adults age 25+ hold a bachelor's degree or higher (1,596 of 5,735 reporting).
5 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.