Home > MI > St. Clair County > Saint Clair > Zip 48079

Zip Code 48079 — Saint Clair, MI

48079 is a ZIP Code associated with Saint Clair, MI, located within St. Clair. The postal region supports an estimated population of 12,711 residents across Data Pending housing units, with a population density of 117.3 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.857600, -82.547210)

Data Metric	Local Statistic
Postal / Zip Code	48079
Primary City	Saint Clair
State / Province	MI
County	St. Clair
Total Population	12,711
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	117.3 people/sq mi
Timezone	America/Detroit

How 48079 Compares

Metric	ZIP 48079	St. Clair County	MI State Average
Population	12,711	161,718	10,077,716
Median Income	Data Pending	N/A	N/A
Population Density	117.3 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 48040	Marysville	5.0 mi	9,925	N/A
Zip 48054	East China	6.0 mi	7,188	N/A
Zip 48074	Smiths Creek	6.3 mi	9,624	N/A
Zip 48063	Columbus	6.6 mi	4,206	N/A
Zip 48064	Casco	8.9 mi	4,180	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →