ZIP code · Fond Du Lac · Wisconsin · United States

ZIP code 54935 — Fond Du Lac

ZIP code 54935 serves Fond Du Lac, Wisconsin.

Postal code
54935
Single source Value from one source, not cross-checked.
City
Fond Du Lac
County
Fond du Lac FIPS 55039
State
Wisconsin
Country
United States
Coordinates
43.7742, -88.4352 — precision precise (locality)
View on OpenStreetMap
Population
41,474 (ZCTA, ACS 5-year)
Population density
2,660 / sq mi
Land area
15.6 sq mi (40.4 km²) (ZCTA, ACS 5-year)
Median household income
$63,060
Per-capita income
$34,407
Median age
37.6
Households
17,778
Housing units
19,115
Median home value
$166,400
Median gross rent
$880 / month
Congressional district
WI-6 (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
920
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 °F263142566878827972594432
Avg low °F121525364858636253423018
Precip in1.41.31.93.23.64.53.83.53.02.81.91.5

NOAA 1991–2020 climate normals from the nearest station: FOND DU LAC 2 SW (1.6 mi) · NOAA NCEI

Places in ZIP 54935

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