County ZIP codes · Kansas · FIPS 20025
Clark County, KS ZIP Codes
Clark County, Kansas has 6 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Clark County and 3 mainly in a neighboring county; 4 cross the county line.
- ACS2020-24
- Census2020
Where are the ZIP codes of Clark County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All 6 residential ZIP codes in Clark County
3 ZIP codes lie mainly in Clark County; 3 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 67865 | Minneola | 1,007 | 4 | $65k | $127k | 63% |
| 67831 | Ashland | 968 | 2 | $64k | $73k | 100% |
| 67840 | Englewood | 56 | 2 | $38k | $65k | 100% |
Partly in Clark County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
4 ZIP codes of Clark County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Clark | Elsewhere |
|---|---|---|
| 67865 | 63% | Ford County37% |
| 67834 | 28% | Ford County67%; Kiowa County5% |
| 67127 | 12% | Comanche County88% |
| 67842 | 25% | Ford County76% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Clark County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Clark County's ZIP codes use 2 prefixes: 671 and 678.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.