ZIP code · East Troy · Wisconsin · United States

ZIP code 53120 — East Troy

ZIP code 53120 serves East Troy, Wisconsin.

Postal code
53120
Single source Value from one source, not cross-checked.
City
East Troy
County
Walworth FIPS 55127
State
Wisconsin
Country
United States
Coordinates
42.8035, -88.4092 — precision precise (locality)
View on OpenStreetMap
Population
10,890 (ZCTA, ACS 5-year)
Population density
193 / sq mi
Land area
56.5 sq mi (146.5 km²) (ZCTA, ACS 5-year)
Median household income
$93,397
Per-capita income
$47,709
Median age
44.5
Households
4,361
Housing units
4,847
Median home value
$310,100
Median gross rent
$1,425 / month
Congressional districts
WI-1 (also WI-5) (119th Congress)
USDA hardiness zone
5b (-15 to -10 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Chicago (UTC−6 / UTC−5 DST)
Area code
262
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 82°F), coldest Jan (avg low 12°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F293243566878828174614634
Avg low °F121424354555605850392818
Precip in1.71.72.13.84.04.73.83.83.63.02.41.9

NOAA 1991–2020 climate normals from the nearest station: ROCHESTER WWTP (10.7 mi) · NOAA NCEI

Places in ZIP 53120

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page