ZIP code · Long Lake · Wisconsin · United States

ZIP code 54542 — Long Lake

ZIP code 54542 serves Long Lake, Wisconsin.

Postal code
54542
Single source Value from one source, not cross-checked.
City
Long Lake
County
Florence FIPS 55037
State
Wisconsin
Country
United States
Coordinates
45.9138, -88.6235 — precision precise (locality)
View on OpenStreetMap
Population
615 (ZCTA, ACS 5-year)
Population density
2 / sq mi
Land area
267.7 sq mi (693.3 km²) (ZCTA, ACS 5-year)
Median household income
$45,625
Per-capita income
$25,438
Median age
52.7
Households
241
Housing units
1,144
Median home value
$157,300
Congressional district
WI-7 (119th Congress)
USDA hardiness zone
4b (-25 to -20 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Menominee (UTC−6 / UTC−5 DST)
Area codes
534, 715
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 77°F), coldest Feb (avg low 0°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F212637506473777567533826
Avg low °F00924374750484131219
Precip in1.11.01.52.53.24.04.23.13.53.31.81.5

NOAA 1991–2020 climate normals from the nearest station: STAMBAUGH 2SSE (9.8 mi) · NOAA NCEI

Places in ZIP 54542

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