| ZIP Codes: | 10 ZIP Codes (10 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 235 / 573 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:41 PM |
| Population: | 43,913 [See All] |
| FIPS: | 29027 |
| CBSA: | Jefferson City, MO |
| Land Area: | 752 sq mi |
| Water Area: | 11 sq mi |
| Coordinates: | 38.7897, -91.9156 |
| Quick Link: |
43,913 residents live across 10 ZIPs covering 752 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 43,187 to 43,913 from 2014 to 2024 — a +1.7% change. 5 ZIPs gained residents, 5 lost.
The county's wealthiest ZIP 65043 (Holts Summit, $85,308 median) and poorest ZIP 65231 (Auxvasse, $57,407) are 29.1 miles apart — a 1.5× income gap across local geography.
Median home values vary 6.0× across this county — from $66,000 in 63388 (Williamsburg) to $397,400 in 65080 (Tebbetts).
Density varies 31× across the county — from 6 people/sq mi in 65067 (Portland) to 180 in 65043 (Holts Summit).
Educational attainment ranges from 12.7% bachelor's+ in 65077 (Steedman) to 29.8% in 65043 (Holts Summit) — the breadth of educational profiles across the area.
Within Missouri, this is the #24 most populous of 116 counties and ranks #23 for median household income .
Weighted by population, the typical household earns about $70,279 across the county — reflecting what a typical resident sees, not a simple ZIP average.
24.7% of adults age 25+ hold a bachelor's degree or higher (7,523 of 30,451 reporting).
10 Standard delivery, 0 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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 65251 | Fulton | Standard | 22,579 | $63,072 | 217.3 | 3.4% |
| 65043 | Holts Summit | Standard | 10,120 | $85,308 | 56.2 | 2.7% |
| 65063 | New Bloomfield | Standard | 3,372 | $77,957 | 88.5 | -12.9% |
| 65231 | Auxvasse | Standard | 3,132 | $57,407 | 129.5 | 0.8% |
| 65080 | Tebbetts | Standard | 1,475 | $77,013 | 40.5 | 142.6% |
| 65059 | Mokane | Standard | 1,085 | $76,765 | 36.7 | 49.9% |
| 65262 | Kingdom City | Standard | 729 | $73,200 | 42.9 | -34.0% |
| 63388 | Williamsburg | Standard | 685 | $72,375 | 58.9 | -31.7% |
| 65077 | Steedman | Standard | 437 | $80,625 | 30.5 | -36.4% |
| 65067 | Portland | Standard | 299 | — | 50.7 | -23.9% |