Clinton County, MO ZIP codes
Clinton County, MO has 6 ZIP codes, in 6 towns: 64465, 64477, 64454, 64490, 64492 and 64493. 2 more cross into it from a neighbouring county: 64429 and 64474.
The county seat is Plattsburg.
- ZIP codes
- 6
- Partly in it
- 2 more
- Towns
- 6
- County seat
- Plattsburg
- County FIPS
29049- State
- Missouri
- Population
- 21,414
- Median household income
- $70,627
- Land area
- 419 sq mi
- Area code
- 816
- Metro area
- Kansas City
Clinton County ZIP codes by town
- Plattsburg (county seat)
- 64477
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in Clinton County
These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Clinton County.
- 64429 Cameron · mostly in DeKalb County
- 64474 Osborn · mostly in DeKalb County
Map of Clinton County ZIP codes
The ZIP codes of Clinton County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Clinton County in numbers
About 21,414 people live in Clinton County, in 8,329 households, the 53rd most populous of Missouri's 115 counties. The median household income is $70,627 a year, about the same as the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $226,800 (about the same as the Missouri median), and median gross rent is $1,008 a month. The median age is 42.0; 22.1% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 29 minutes.
| Population | 21,414 |
|---|---|
| Households | 8,329 |
| Median age | 42.0 |
| Median household income | $70,627 |
| Median home value | $226,800 |
| Median gross rent | $1,008 |
| Bachelor's degree or higher | 22.1% |
| Mean commute | 28.6 min |
| Population density | 51 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Clinton County
| Town | ZIP codes | Population |
|---|---|---|
| Lathrop | 1 | 2,560 |
| Plattsburg | 1 | 2,253 |
| Gower | 1 | 1,799 |
| Stewartsville | 1 | 844 |
| Trimble | 1 | 561 |
| Turney | 1 | 108 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Clinton County.
- Clay County (22)
- Platte County (17)
- Buchanan County (12)
- Ray County (7)
- DeKalb County (6)
- Caldwell County (7)
- Daviess County (8)
Not sure you are in Clinton County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Clinton County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
64454 | Gower , MO | Standard | 2,941 | $87,262 | $260,800 |
64465 | Lathrop , MO | Standard | 3,947 | $80,552 | $192,200 |
64477 | Plattsburg , MO | Standard | 3,489 | $64,643 | $238,900 |
64490 | Stewartsville , MO | Standard | 1,939 | $88,750 | $181,800 |
64492 | Trimble , MO | Standard | 1,713 | $66,211 | $225,900 |
64493 | Turney , MO | Standard | 333 | $64,583 | $388,900 |
Cite this page
zipcodes.pro. “Clinton County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mo/county/clinton
Underlying data is public domain or openly licensed — sources, vintages and licences.