ZIP code · Black Earth · Wisconsin · United States

ZIP code 53515 — Black Earth

ZIP code 53515 serves Black Earth, Wisconsin.

Postal code
53515
Single source Value from one source, not cross-checked.
City
Black Earth
County
Dane FIPS 55025
State
Wisconsin
Country
United States
Coordinates
43.1322, -89.7390 — precision precise (locality)
View on OpenStreetMap
Population
2,635 (ZCTA, ACS 5-year)
Population density
67 / sq mi
Land area
39.2 sq mi (101.5 km²) (ZCTA, ACS 5-year)
Median household income
$90,250
Per-capita income
$50,993
Median age
51
Households
1,062
Housing units
1,114
Median home value
$336,400
Median gross rent
$988 / month
Congressional district
WI-2 (119th Congress)
USDA hardiness zone
5a (-20 to -15 °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
608
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 7°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F283344587079828174614634
Avg low °F71022334555585747372614
Precip in1.51.32.33.84.45.63.93.32.82.92.31.6

NOAA 1991–2020 climate normals from the nearest station: MAZOMANIE WWTP (4.8 mi) · NOAA NCEI

Places in ZIP 53515

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