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St. Clair, MI
City in St. Clair County, Michigan.
Population
5,585
Land area
2.9sq mi
People per sq mi
1,900
ZIP codes
0
St. Clair and its ZIP codes
St. Clair at a glance
- St. Clair is about 11 times as dense as Michigan as a whole.
- Households here earn a median of $69,688 a year, 4% less than the Michigan figure of $72,875.
- A typical owner-occupied home is valued at $223,200 (4% below Michigan) and median rent is $1,113 a month.
Local data for St. Clair, MI
Counts from official public data
Housing and community stats
St. Clair, MI, American Community Survey 2020-2024
Median household income
$69,688
Poverty rate
7.1%
Median home value
$223,200
Median rent
$1,113/mo
Homeownership
68.1%
Bachelor's or higher
27.4%
Median age
42.0
Average commute
22.0 min
Largest reported origins and ancestries: German Americans (1,570), Polish Americans (900), Irish Americans (711).
Economy and federal money
Jobs, pay, income and spending are for St. Clair County. PPP loans are for St. Clair.
Unemployment rate
5.3%
Aug 2026, +0.9 pts in a year
Average annual pay
$58,073
41,734 jobs, 2025
Income per person
$57,943
BEA, 2024
Federal spending
$1.18B
FY 2026, $7,388 per person
How people get to work
St. Clair, MI, workers 16 and older. American Community Survey 5-year estimates
- Drove alone85.3%
- Carpooled4.7%
- Public transit0.0%
- Walked2.3%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.0%
- Worked from home7.6%
Average one-way commute: 22.0 minutes for people who do not work from home.
Environment and hazard risk
St. Clair, MI, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: cold wave
Storm events since 1996
536
Countywide, mostly thunderstorm wind
Flood insurance policies
1,248
2.0% of homes, county
July high / Jan low
81° / 20°F
34.9 inches of rain a year
Hazards, floods and storm historyCheck a flood zone1 historic places
Health statistics
Share of adults in St. Clair, MI, CDC PLACES estimates
Obesity
34.2%
U.S. 33.3% +0.9 pts
Diabetes
10.7%
U.S. 12.1% -1.4 pts
Smoking
14.0%
U.S. 12.8% +1.2 pts
Uninsured (18-64)
5.4%
U.S. 11.1% -5.7 pts
Cities near St. Clair
| Name | Distance | Land area (sq mi) |
|---|---|---|
| MarysvilleCity | 5 mi | 7.3 |
| Marine CityCity | 8.3 mi | 2.2 |
| Port HuronCity | 11 mi | 8.1 |
| RichmondCity | 13 mi | 2.9 |
| MemphisCity | 15 mi | 1.1 |
| Pearl BeachCensus-designated place | 15 mi | 4.8 |
| AlgonacCity | 15 mi | 1.4 |
| RubyCensus-designated place | 15 mi | 3.8 |
| New BaltimoreCity | 16 mi | 4.6 |
| New HavenVillage | 17 mi | 2.5 |
| EmmettVillage | 18 mi | 1.5 |
| LakeportCensus-designated place | 19 mi | 1 |
| ArmadaVillage | 20 mi | 0.7 |
| CapacVillage | 25 mi | 1.9 |
| Mount ClemensCity | 26 mi | 4.1 |
| YaleCity | 26 mi | 1.4 |
Frequently asked questions
- What county is St. Clair, MI in?
- St. Clair is in St. Clair County, Michigan.
- What is the population of St. Clair, MI?
- About 5,585 people live in St. Clair, based on American Community Survey 5-year estimates.
- What cities are near St. Clair?
- Nearby places include Marysville (5 mi), Marine City (8.3 mi), Port Huron (11 mi), Richmond (13 mi), Memphis (15 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023