ZIP code · Florence · Wisconsin · United States
ZIP code 54121 — Florence
ZIP code 54121 serves Florence, Wisconsin.
- Postal code
- 54121Single source Value from one source, not cross-checked.
- City
- Florence
- County
- Florence FIPS 55037
- State
- Wisconsin
- Country
- United States
- Coordinates
- 45.9027, -88.2289 — precision precise (locality)
View on OpenStreetMap - Population
- 3,213 (ZCTA, ACS 5-year)
- Population density
- 12 / sq mi
- Land area
- 272.1 sq mi (704.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $57,927
- Per-capita income
- $39,282
- Median age
- 55.5
- Households
- 1,496
- Housing units
- 3,238
- Median home value
- $176,800
- Median gross rent
- $923 / month
- 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/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 715Telephone 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 54121 with another ZIP · ZIPs within 25 miles · distance from 54121
Map of ZIP code 54121
Climate — monthly normals
Warmest month Jul (avg high 78°F), coldest Jan (avg low 3°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 22 | 26 | 37 | 50 | 64 | 73 | 78 | 76 | 68 | 54 | 39 | 27 |
| Avg low °F | 3 | 4 | 14 | 27 | 40 | 50 | 55 | 53 | 45 | 34 | 23 | 11 |
| Precip in | 1.0 | 1.0 | 1.4 | 2.6 | 3.3 | 4.1 | 3.7 | 3.1 | 3.5 | 3.4 | 1.9 | 1.4 |
NOAA 1991–2020 climate normals from the nearest station: FLORENCE (2.5 mi) · NOAA NCEI
Places in ZIP 54121
- 3 schools
- 1 hospitals & clinics
- 1 supermarkets
- 4 restaurants & cafés
- 2 bars & pubs
- 13 parks
- 1 playgrounds
- 1 libraries
- 1 post offices
- 3 places of worship
- 2 banks
- 3 gas stations
- 1 police & fire stations
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