County ZIP codes · Kentucky · FIPS 21047
Christian County, KY ZIP Codes
Christian County, Kentucky has 16 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 14 residential and 2 for PO boxes or a single organization. 8 of the residential ones lie mainly in Christian County and 6 mainly in a neighboring county; 10 cross the county line. Median household income ranges from $51,534 in 42240 (Hopkinsville) to $65,357 in 42217 (Crofton) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Christian County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $51,975 and $60,965.
They carry 14 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 14 residential ZIP codes in Christian County
8 ZIP codes lie mainly in Christian County; 6 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 42240 | Hopkinsville | 41,415 | 149 | $52k | $174k | 100% |
| 42262 | Oak Grove | 9,665 | 310 | $52k | $157k | 100% |
| 42217 | Crofton | 3,799 | 24 | $65k | $162k | 100% |
| 42266 | Pembroke | 2,956 | 41 | $71k | $230k | 88% |
| 42215 | Cerulean | 1,319 | 23 | $83k | $201k | 73% |
| 42236 | Herndon | 931 | 15 | $69k | $118k | 93% |
| 42232 | Gracey | 711 | 32 | $90k | $227k | 73% |
| 42254 | La Fayette | 227 | 24 | $47k | $99k | 100% |
Partly in Christian County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 42223 | Fort Campbell | 19,006 | 875 | $62k | $268k | 45% |
| 42464 | White Plains | 1,810 | 30 | $46k | $105k | 15% |
| 42408 | Dawson Springs | 5,888 | 41 | $61k | $92k | 15% |
| 42453 | Saint Charles | 452 | 20 | $54k | $92k | 7% |
| 42286 | Trenton | 2,163 | 31 | $66k | $276k | 6% |
| 42220 | Elkton | 5,947 | 35 | $61k | $153k | 1% |
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?
10 ZIP codes of Christian County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Christian | Elsewhere |
|---|---|---|
| 42223 | 45% | Montgomery County 55% |
| 42220 | 1% | Todd County 99% |
| 42408 | 15% | Hopkins County 58%; Caldwell County 27% |
| 42266 | 88% | Todd County 12% |
| 42286 | 6% | Todd County 94% |
| 42464 | 15% | Hopkins County 71%; Muhlenberg County 14% |
| 42215 | 73% | Trigg County 27% |
| 42236 | 93% | Trigg County 7% |
| 42232 | 73% | Trigg County 27% |
| 42453 | 7% | Hopkins County 93% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 42221 | Fairview |
| 42241 | Hopkinsville |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Christian County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Christian County's ZIP codes use 2 prefixes: 422 and 424.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.