County ZIP codes · Kentucky · FIPS 21103
Henry County, KY ZIP Codes
Henry County, Kentucky has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 10 of the residential ones lie mainly in Henry County and 2 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $44,688 in 40050 (New Castle) to $98,513 in 40031 (La Grange) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Henry 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 $70,881 and $80,750.
They carry 12 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 12 residential ZIP codes in Henry County
10 ZIP codes lie mainly in Henry County; 2 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 40019 | Eminence | 4,238 | 109 | $61k | $220k | 71% |
| 40057 | Pleasureville | 4,065 | 43 | $78k | $227k | 80% |
| 40068 | Smithfield | 2,570 | 59 | $81k | $325k | 69% |
| 40011 | Campbellsburg | 2,379 | 46 | $71k | $173k | 71% |
| 40050 | New Castle | 2,045 | 119 | $45k | $127k | 100% |
| 40075 | Turners Station | 1,151 | 24 | $64k | $164k | 79% |
| 40070 | Sulphur | 360 | 29 | – | $168k | 100% |
| 40036 | Lockport | 164 | 6 | – | – | 100% |
| 40007 | Bethlehem | 47 | 6 | $64k | $189k | 100% |
| 40058 | Port Royal | 37 | 1,850 | $67k | $213k | 100% |
Partly in Henry 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?
7 ZIP codes of Henry County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Henry | Elsewhere |
|---|---|---|
| 40031 | 7% | Oldham County93% |
| 40019 | 71% | Shelby County29% |
| 40057 | 80% | Shelby County20% |
| 40068 | 69% | Shelby County17%; Oldham County14% |
| 40011 | 71% | Trimble County20%; Carroll County9% |
| 40055 | 30% | Trimble County48%; Oldham County23% |
| 40075 | 79% | Carroll County21% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Henry County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Henry County starts with 400.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 400 | Louisville, KY (SCF 400) | 12 | 54 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.