ZIP code · Sparta · Wisconsin · United States
ZIP code 54656 — Sparta
ZIP code 54656 serves Sparta, Wisconsin.
- Postal code
- 54656Single source Value from one source, not cross-checked.
- City
- Sparta
- County
- Monroe FIPS 55081
- State
- Wisconsin
- Country
- United States
- Coordinates
- 43.9540, -90.8146 — precision precise (locality)
View on OpenStreetMap - Population
- 18,068 (ZCTA, ACS 5-year)
- Population density
- 64 / sq mi
- Land area
- 282.3 sq mi (731.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $70,605
- Per-capita income
- $35,258
- Median age
- 38.6
- Households
- 7,203
- Housing units
- 7,630
- Median home value
- $201,400
- Median gross rent
- $924 / month
- Congressional district
- WI-3 (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
- 608Telephone 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 54656 with another ZIP · ZIPs within 25 miles · distance from 54656
Map of ZIP code 54656
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 6°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 25 | 30 | 42 | 56 | 68 | 78 | 82 | 80 | 72 | 59 | 43 | 30 |
| Avg low °F | 6 | 9 | 21 | 33 | 45 | 56 | 59 | 57 | 48 | 36 | 24 | 13 |
| Precip in | 1.1 | 1.1 | 1.8 | 3.7 | 4.6 | 5.3 | 4.1 | 4.3 | 3.7 | 2.6 | 2.0 | 1.3 |
NOAA 1991–2020 climate normals from the nearest station: SPARTA (1.2 mi) · NOAA NCEI
Places in ZIP 54656
- 21 schools
- 1 colleges & universities
- 2 hospitals & clinics
- 2 pharmacies
- 6 supermarkets
- 14 restaurants & cafés
- 2 bars & pubs
- 21 parks
- 15 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 5 places of worship
- 2 banks
- 10 gas stations
- 6 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