ZIP code · Saint Clair · Michigan · United States
ZIP code 48079 — Saint Clair
ZIP code 48079 serves Saint Clair, Michigan.
- Postal code
- 48079Single source Value from one source, not cross-checked.
- City
- Saint Clair
- County
- St. Clair FIPS 26147
- State
- Michigan
- Country
- United States
- Coordinates
- 42.8255, -82.5133 — precision precise (locality)
View on OpenStreetMap - Population
- 12,683 (ZCTA, ACS 5-year)
- Population density
- 303 / sq mi
- Land area
- 41.8 sq mi (108.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $80,313
- Per-capita income
- $45,323
- Median age
- 44.6
- Households
- 5,202
- Housing units
- 5,403
- Median home value
- $276,600
- Median gross rent
- $1,090 / month
- Congressional district
- MI-9 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Detroit (UTC−5 / UTC−4 DST)
- Area code
- 810Telephone 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 48079 with another ZIP · ZIPs within 25 miles · distance from 48079
Map of ZIP code 48079
Climate — monthly normals
Warmest month Jul (avg high 81°F), coldest Jan (avg low 20°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 31 | 33 | 42 | 54 | 67 | 76 | 81 | 80 | 73 | 61 | 47 | 36 |
| Avg low °F | 20 | 21 | 28 | 38 | 49 | 59 | 65 | 64 | 57 | 46 | 35 | 26 |
| Precip in | 2.5 | 2.1 | 2.2 | 3.1 | 3.5 | 3.6 | 3.3 | 3.1 | 3.3 | 3.1 | 2.8 | 2.2 |
NOAA 1991–2020 climate normals from the nearest station: PORT HURON (11.4 mi) · NOAA NCEI
Places in ZIP 48079
- 5 schools
- 1 pharmacies
- 1 supermarkets
- 7 restaurants & cafés
- 5 parks
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 3 places of worship
- 3 banks
- 6 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