ZIP code · Forest Junction · Wisconsin · United States
ZIP code 54123 — Forest Junction
ZIP code 54123 serves Forest Junction, Wisconsin.
- Postal code
- 54123Single source Value from one source, not cross-checked.
- City
- Forest Junction
- County
- Calumet FIPS 55015
- State
- Wisconsin
- Country
- United States
- Coordinates
- 44.2125, -88.1443 — precision precise (locality)
View on OpenStreetMap - Population
- 213 (ZCTA, ACS 5-year)
- Population density
- 290 / sq mi
- Land area
- 0.7 sq mi (1.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $67,500
- Per-capita income
- $27,298
- Median age
- 45.9
- Households
- 88
- Housing units
- 88
- Congressional district
- WI-8 (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 (from the nearest rate centre)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.
Tools: compare 54123 with another ZIP · ZIPs within 25 miles · distance from 54123
Map of ZIP code 54123
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 10°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 26 | 29 | 41 | 54 | 68 | 77 | 82 | 79 | 72 | 58 | 44 | 31 |
| Avg low °F | 10 | 12 | 22 | 33 | 45 | 56 | 59 | 56 | 49 | 38 | 28 | 17 |
| Precip in | 1.4 | 1.0 | 1.9 | 3.0 | 3.9 | 4.5 | 3.7 | 3.3 | 3.1 | 2.8 | 2.0 | 1.6 |
NOAA 1991–2020 climate normals from the nearest station: BRILLION (4.7 mi) · NOAA NCEI
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