ZIP code · Green Bay · Wisconsin · United States
ZIP code 54303 — Green Bay
ZIP code 54303 serves Green Bay, Wisconsin.
- Postal code
- 54303Single source Value from one source, not cross-checked.
- City
- Green Bay
- County
- Brown FIPS 55009
- State
- Wisconsin
- Country
- United States
- Coordinates
- 44.5522, -88.0788 — precision precise (locality)
View on OpenStreetMap - Population
- 27,694 (ZCTA, ACS 5-year)
- Population density
- 2,409 / sq mi
- Land area
- 11.5 sq mi (29.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $58,110
- Per-capita income
- $32,008
- Median age
- 34.9
- Households
- 12,408
- Housing units
- 13,088
- Median home value
- $160,100
- Median gross rent
- $859 / month
- 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)
Tools: compare 54303 with another ZIP · ZIPs within 25 miles · distance from 54303
Map of ZIP code 54303
Climate — monthly normals
Warmest month Jul (avg high 80°F), coldest Jan (avg low 9°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 25 | 29 | 40 | 54 | 67 | 75 | 80 | 78 | 71 | 58 | 44 | 31 |
| Avg low °F | 9 | 11 | 21 | 33 | 44 | 55 | 59 | 57 | 49 | 39 | 27 | 17 |
| Precip in | 1.3 | 1.1 | 1.9 | 3.1 | 3.6 | 4.2 | 3.7 | 3.4 | 3.4 | 2.8 | 2.0 | 1.8 |
NOAA 1991–2020 climate normals from the nearest station: GREEN BAY BOTANICAL (1.6 mi) · NOAA NCEI
Places in ZIP 54303
- 19 schools
- 3 hospitals & clinics
- 1 doctors & dentists
- 1 pharmacies
- 7 supermarkets
- 48 restaurants & cafés
- 4 bars & pubs
- 29 parks
- 15 playgrounds
- 6 gyms & sports centres
- 1 libraries
- 1 post offices
- 9 places of worship
- 13 banks
- 14 gas stations
- 2 EV charging 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