County ZIP codes · Wisconsin · FIPS 55059
Kenosha County, WI ZIP Codes
Kenosha County, Wisconsin has 25 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 17 residential and 8 for PO boxes or a single organization. 11 of the residential ones lie mainly in Kenosha County and 6 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $58,006 in 53140 (Kenosha) to $112,000 in 53104 (Bristol) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Kenosha 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 $76,507 and $97,804.
They carry 14 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 17 residential ZIP codes in Kenosha County
11 ZIP codes lie mainly in Kenosha County; 6 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 53142 | Kenosha | 34,144 | 1,651 | $89k | $268k | 100% |
| 53140 | Kenosha | 30,238 | 3,832 | $58k | $207k | 100% |
| 53144 | Kenosha | 26,652 | 614 | $77k | $260k | 100% |
| 53143 | Kenosha | 20,889 | 5,042 | $68k | $201k | 100% |
| 53158 | Pleasant Prairie | 18,420 | 609 | $106k | $376k | 100% |
| 53168 | Salem | 9,036 | 278 | $97k | $300k | 100% |
| 53181 | Twin Lakes | 7,964 | 581 | $98k | $294k | 100% |
| 53179 | Trevor | 6,469 | 615 | $95k | $306k | 100% |
| 53104 | Bristol | 5,826 | 169 | $112k | $325k | 100% |
| 53170 | Silver Lake | 2,134 | 2,100 | $80k | $284k | 100% |
| 53192 | Wilmot | 252 | 188 | – | $264k | 100% |
Partly in Kenosha County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 53139 | Kansasville | 2,523 | 79 | $100k | $306k | 35% |
| 53182 | Union Grove | 9,821 | 178 | $107k | $329k | 33% |
| 53105 | Burlington | 28,751 | 180 | $89k | $319k | 22% |
| 53128 | Genoa City | 9,030 | 357 | $82k | $244k | 14% |
| 53177 | Sturtevant | 8,489 | 307 | $91k | $250k | 13% |
| 53403 | Racine | 27,009 | 2,660 | $60k | $176k | 9% |
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?
6 ZIP codes of Kenosha County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Kenosha | Elsewhere |
|---|---|---|
| 53105 | 22% | Racine County 41%; Walworth County 37% |
| 53403 | 9% | Racine County 91% |
| 53182 | 33% | Racine County 67% |
| 53128 | 14% | Walworth County 86% |
| 53177 | 13% | Racine County 87% |
| 53139 | 35% | Racine County 65% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 53101 | Bassett |
| 53102 | Benet Lake |
| 53109 | Camp Lake |
| 53141 | Kenosha |
| 53152 | New Munster |
| 53159 | Powers Lake |
| 53171 | Somers |
| 53194 | Woodworth |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Kenosha County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Kenosha County's ZIP codes use 2 prefixes: 531 and 534.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.