County ZIP codes · Kentucky · FIPS 21101
Henderson County, KY ZIP Codes
Henderson County, Kentucky has 11 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 8 residential and 3 for PO boxes or a single organization. 5 of the residential ones lie mainly in Henderson County and 3 mainly in a neighboring county; 4 cross the county line. Median household income ranges from $47,746 in 42461 (Uniontown) to $80,069 in 42452 (Robards) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Henderson 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 $57,053 and $66,373.
They carry 8 postal town names: Owensboro, Henderson, Corydon, Robards, Waverly, Uniontown, Spottsville, Reed.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 8 residential ZIP codes in Henderson County
5 ZIP codes lie mainly in Henderson County; 3 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 42420 | Henderson | 38,133 | 199 | $57k | $170k | 100% |
| 42406 | Corydon | 2,345 | 21 | $63k | $187k | 100% |
| 42452 | Robards | 1,943 | 32 | $80k | $173k | 92% |
| 42458 | Spottsville | 979 | 89 | $59k | $184k | 100% |
| 42451 | Reed | 600 | 15 | $57k | $191k | 100% |
Partly in Henderson 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 Henderson County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Henderson | Elsewhere |
|---|---|---|
| 42301 | 4% | Daviess County 95% |
| 42452 | 92% | Webster County 8% |
| 42462 | 32% | Union County 68% |
| 42461 | 1% | Union County 99% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 42402 | Baskett |
| 42419 | Henderson |
| 42457 | Smith Mills |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Henderson County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Henderson County's ZIP codes use 2 prefixes: 423 and 424.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.