| ZIP Codes: | 19 ZIP Codes (10 Standard, 9 PO Box, 0 Unique) [See All] |
| Area Code: | 262 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:14:19 PM |
| Population: | 162,024 [See All] |
| FIPS: | 55059 |
| CBSA: | Kenosha, WI |
| Land Area: | 200 sq mi |
| Water Area: | 8 sq mi |
| Coordinates: | 42.5593, -88.0522 |
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162,024 residents live across 19 ZIPs covering 200 sq mi, served by 15 distinct USPS-recognized cities.
Population moved from 159,732 to 162,024 from 2014 to 2024 — a +1.4% change. 8 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 53104 (Bristol, $112,000 median) and poorest ZIP 53140 (Kenosha, $58,006) are 10.2 miles apart — a 1.9× income gap across local geography.
Median home values vary 1.9× across this county — from $200,500 in 53143 (Kenosha) to $375,600 in 53158 (Pleasant Prairie).
Density varies 30× across the county — from 169 people/sq mi in 53104 (Bristol) to 5,050 in 53143 (Kenosha).
Educational attainment ranges from 22.1% bachelor's+ in 53143 (Kenosha) to 41.3% in 53158 (Pleasant Prairie) — the breadth of educational profiles across the area.
Within Wisconsin, this is the #9 most populous of 73 counties and ranks #10 for median household income .
Weighted by population, the typical household earns about $82,203 across the county — reflecting what a typical resident sees, not a simple ZIP average.
31.1% of adults age 25+ hold a bachelor's degree or higher (34,542 of 110,931 reporting).
10 Standard delivery, 9 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 53142 | Kenosha | Standard | 34,144 | $88,960 | 20.6 | 5.4% |
| 53140 | Kenosha | Standard | 30,238 | $58,006 | 7.9 | 1.8% |
| 53144 | Kenosha | Standard | 26,652 | $76,507 | 37.9 | -2.0% |
| 53143 | Kenosha | Standard | 20,889 | $68,343 | 4.1 | -13.0% |
| 53158 | Pleasant Prairie | Standard | 18,420 | $105,868 | 31.3 | 12.5% |
| 53168 | Salem | Standard | 9,036 | $97,035 | 33.3 | 2.0% |
| 53181 | Twin Lakes | Standard | 7,964 | $97,804 | 16.1 | 8.1% |
| 53179 | Trevor | Standard | 6,469 | $94,460 | 11.9 | 8.5% |
| 53104 | Bristol | Standard | 5,826 | $112,000 | 34.5 | 5.9% |
| 53170 | Silver Lake | Standard | 2,134 | $79,931 | 1.8 | -4.4% |
| 53192 | Wilmot | PO Box | 252 | — | 0.6 | 90.9% |
| 53102 | Benet Lake | PO Box | — | — | 0.0 | — |
| 53109 | Camp Lake | PO Box | — | — | 0.0 | — |
| 53101 | Bassett | PO Box | — | — | 0.0 | — |
| 53159 | Powers Lake | PO Box | — | — | 0.0 | — |
| 53194 | Woodworth | PO Box | — | — | 0.0 | — |
| 53152 | New Munster | PO Box | — | — | 0.0 | — |
| 53141 | Kenosha | PO Box | — | — | 0.0 | — |
| 53171 | Somers | PO Box | — | — | 0.0 | — |