ZIP Codes of Racine County, WI

Population & People
Population & People
Total Population
206,558
Household Income
Household Income
Median Income
$83,495
Housing
Housing
Total Housing Units
89,660
Business & Economy
Business & Economy
Total Businesses
4,268
Employment
Employment
Employment Rate
61.41%
Education
Education
Bachelor's Degree+
28.62%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 15 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:15 ZIP Codes (12 Standard, 3 PO Box, 0 Unique) [See All]
Area Code:262
Timezone:Central (GMT -06:00)
Local Time:2:14:20 PM
Population:206,558 [See All]
FIPS:55101
CBSA:Racine-Mount Pleasant, WI
Land Area:463 sq mi
Water Area:16 sq mi
Coordinates:42.7327, -87.9618
Quick Link:
https://www.zip-codes.com/county/wi-racine.asp
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Among Wisconsin's 10 most populous counties
#6 of 73 counties with 206,558 residents.

Standout ZIPs in this County


Most Populous
Racine · 34,850 people
16.9% of county total
Highest Income
Union Grove · $107,068 median
1.3× county average
Largest Land Area
Burlington · 163.4 sq mi
Spans the most ground
Fastest Growth
Racine · 7.6% (10-yr)
32,392 → 34,850 residents
Most Educated
Franksville · 36.8% bachelor's+
1,824 of 4,952 adults 25+

Things worth knowing about Racine County


206,558 residents live across 15 ZIPs covering 463 sq mi, served by 9 distinct USPS-recognized cities.

Population moved from 205,759 to 206,558 from 2014 to 2024 — a +0.4% change. 5 ZIPs gained residents, 8 lost.

The county's wealthiest ZIP 53182 (Union Grove, $107,068 median) and poorest ZIP 53404 (Racine, $50,428) are 11.7 miles apart — a 2.1× income gap across local geography.

Median home values vary 3.0× across this county — from $129,800 in 53404 (Racine) to $386,300 in 53126 (Franksville).

Density varies 68× across the county — from 85 people/sq mi in 53139 (Kansasville) to 5,807 in 53405 (Racine).

Educational attainment ranges from 14.1% bachelor's+ in 53404 (Racine) to 36.8% in 53126 (Franksville) — the breadth of educational profiles across the area.

Within Wisconsin, this is the #6 most populous of 73 counties and ranks #17 for median household income .

Weighted by population, the typical household earns about $79,729 across the county — reflecting what a typical resident sees, not a simple ZIP average.

28.6% of adults age 25+ hold a bachelor's degree or higher (40,910 of 142,936 reporting).

12 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.

All ZIP Codes in Racine County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
53402RacineStandard34,850$75,75120.87.6%
53105BurlingtonStandard28,751$88,770163.4-2.3%
53403RacineStandard27,009$59,82010.2-1.1%
53405RacineStandard26,793$69,2424.66.4%
53406RacineStandard25,778$82,79218.5-1.1%
53185WaterfordStandard18,560$103,22549.30.8%
53404RacineStandard13,703$50,4285.0-10.7%
53182Union GroveStandard9,821$107,06861.43.0%
53177SturtevantStandard8,489$90,76927.6-0.8%
53126FranksvilleStandard7,064$101,20651.76.9%
53108CaledoniaStandard3,060$86,67920.2-9.2%
53139KansasvilleStandard2,523$99,63529.6-17.5%
53167RochesterPO Box157$70,0540.4-68.2%
53408RacinePO Box0.0
53401RacinePO Box0.0

Adjacent & Nearby Counties