ZIP code · Saint Germain · Wisconsin · United States
ZIP code 54558 — Saint Germain
ZIP code 54558 serves Saint Germain, Wisconsin.
- Postal code
- 54558Single source Value from one source, not cross-checked.
- City
- Saint Germain
- County
- Vilas FIPS 55125
- State
- Wisconsin
- Country
- United States
- Coordinates
- 45.9183, -89.4866 — precision precise (locality)
View on OpenStreetMap - Population
- 2,224 (ZCTA, ACS 5-year)
- Population density
- 51 / sq mi
- Land area
- 43.2 sq mi (111.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $62,404
- Per-capita income
- $41,526
- Median age
- 56.9
- Households
- 1,154
- Housing units
- 2,655
- Median home value
- $234,500
- Median gross rent
- $856 / month
- Congressional district
- WI-7 (119th Congress)
- USDA hardiness zone
- 4a (-30 to -25 °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
- 715 (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 54558 with another ZIP · ZIPs within 25 miles · distance from 54558
Map of ZIP code 54558
Climate — monthly normals
Warmest month Jul (avg high 75°F), coldest Jan (avg low 1°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 20 | 25 | 36 | 49 | 63 | 72 | 75 | 73 | 66 | 52 | 37 | 25 |
| Avg low °F | 1 | 2 | 13 | 26 | 40 | 51 | 56 | 55 | 47 | 34 | 22 | 9 |
| Precip in | 1.4 | 1.2 | 1.8 | 2.8 | 3.8 | 4.2 | 4.3 | 3.3 | 3.8 | 3.4 | 1.9 | 1.6 |
NOAA 1991–2020 climate normals from the nearest station: ST GERMAIN (0.2 mi) · NOAA NCEI
Places in ZIP 54558
- 1 schools
- 1 supermarkets
- 3 restaurants & cafés
- 1 bars & pubs
- 3 parks
- 1 post offices
- 1 places of worship
- 1 banks
- 3 gas 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