County ZIP codes · Kentucky · FIPS 21145
McCracken County, KY ZIP Codes
McCracken County, Kentucky has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 7 residential and 1 for PO boxes or a single organization. 3 of the residential ones lie mainly in McCracken County and 4 mainly in a neighboring county; 4 cross the county line. Median household income ranges from $55,791 in 42003 (Paducah) to $80,765 in 42053 (Kevil) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of McCracken 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 $55,791 and $77,591.
They carry 6 postal town names: Paducah, Kevil, West Paducah, Boaz, Symsonia, Melber.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 7 residential ZIP codes in McCracken County
3 ZIP codes lie mainly in McCracken County; 4 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 42001 | Paducah | 30,856 | 416 | $71k | $215k | 100% |
| 42003 | Paducah | 29,672 | 430 | $56k | $167k | 99% |
| 42086 | West Paducah | 3,775 | 121 | $78k | $179k | 100% |
Partly in McCracken 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?
5 ZIP codes of McCracken County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In McCracken | Elsewhere |
|---|---|---|
| 42003 | 99% | |
| 42053 | 49% | Ballard County 51% |
| 42027 | 14% | Graves County 86% |
| 42082 | 14% | Graves County 55%; Marshall County 31% |
| 42069 | 21% | Graves County 79% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 42002 | Paducah |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do McCracken 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 McCracken County starts with 420.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 420 | Evansville, IN (SCF 476) | 8 | 52 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.