| ZIP Codes: | 17 ZIP Codes (8 Standard, 2 PO Box, 7 Unique) [See All] |
| Area Codes: | 235 / 573 / 660 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:41 PM |
| Population: | 79,727 [See All] |
| FIPS: | 29051 |
| CBSA: | Jefferson City, MO |
| Land Area: | 533 sq mi |
| Water Area: | 11 sq mi |
| Coordinates: | 38.5285, -92.2402 |
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79,727 residents live across 17 ZIPs covering 533 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 79,375 to 79,727 from 2014 to 2024 — a +0.4% change. 4 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 65053 (Lohman, $120,870 median) and poorest ZIP 65032 (Eugene, $63,125) are 13.3 miles apart — a 1.9× income gap across local geography.
Median home values vary 1.9× across this county — from $178,800 in 65074 (Russellville) to $341,400 in 65053 (Lohman).
Density varies 25× across the county — from 20 people/sq mi in 65076 (Saint Thomas) to 502 in 65109 (Jefferson City).
Educational attainment ranges from 24.4% bachelor's+ in 65032 (Eugene) to 45.3% in 65109 (Jefferson City) — the breadth of educational profiles across the area.
Within Missouri, this is the #16 most populous of 116 counties and ranks #15 for median household income .
Hosts 4 single-entity Unique ZIPs: 65111Scholastics Inc ; 65103Div Of Family Services ; 65104Div Of Employment Sec ; and 65108Div Of Witholding Tax .
Weighted by population, the typical household earns about $75,720 across the county — reflecting what a typical resident sees, not a simple ZIP average.
38.8% of adults age 25+ hold a bachelor's degree or higher (21,353 of 55,092 reporting). The most-educated ZIPs cluster around Jefferson City.
8 Standard delivery, 2 PO Box only, 7 single-entity Unique ZIPs serve this county.
7 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 65109 | Jefferson City | Standard | 41,145 | $74,694 | 82.0 | 5.1% |
| 65101 | Jefferson City | Standard | 28,793 | $74,807 | 139.7 | -4.2% |
| 65074 | Russellville | Standard | 2,936 | $74,464 | 95.0 | -3.4% |
| 65053 | Lohman | Standard | 1,813 | $120,870 | 34.7 | 14.4% |
| 65023 | Centertown | Standard | 1,566 | $72,663 | 55.7 | 11.9% |
| 65032 | Eugene | Standard | 1,491 | $63,125 | 56.6 | -25.8% |
| 65040 | Henley | Standard | 1,468 | $89,167 | 42.8 | 3.7% |
| 65076 | Saint Thomas | Standard | 515 | $64,333 | 26.2 | -28.2% |
| 65111 | Jefferson City | Unique | — | — | 0.0 | — |
| 65110 | Jefferson City | PO Box | — | — | 0.0 | — |
| 65103 | Jefferson City | Unique | — | — | 0.0 | — |
| 65104 | Jefferson City | Unique | — | — | 0.0 | — |
| 65108 | Jefferson City | Unique | — | — | 0.0 | — |
| 65106 | Jefferson City | Unique | — | — | 0.0 | — |
| 65107 | Jefferson City | Unique | — | — | 0.0 | — |
| 65105 | Jefferson City | Unique | — | — | 0.0 | — |
| 65102 | Jefferson City | PO Box | — | — | 0.0 | — |