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Algonac, MI
City in St. Clair County, Michigan.
Population
4,139
Land area
1.4sq mi
People per sq mi
2,917
ZIP codes
0
Algonac and its ZIP codes
Algonac at a glance
- Algonac is about 16 times as dense as Michigan as a whole.
- The median household income is $56,820, 22% below the Michigan median of $72,875.
- A typical owner-occupied home is valued at $199,500 (14% below Michigan) and median rent is $910 a month.
Local data for Algonac, MI
Counts from official public data
Housing and community stats
Algonac, MI, American Community Survey 2020-2024
Median household income
$56,820
Poverty rate
14.5%
Median home value
$199,500
Median rent
$910/mo
Homeownership
74.8%
Bachelor's or higher
14.7%
Median age
48.5
Average commute
30.5 min
Largest reported origins and ancestries: German Americans (1,121), Polish Americans (591), Irish Americans (529).
Economy and federal money
Jobs, pay, income and spending are for St. Clair County. PPP loans are for Algonac.
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
Algonac, MI, workers 16 and older. American Community Survey 5-year estimates
- Drove alone72.8%
- Carpooled7.7%
- Public transit8.4%
- Walked0.6%
- Bicycle3.4%
- Taxi, ride-hailing, motorcycle or other2.1%
- Worked from home5.0%
Average one-way commute: 30.5 minutes for people who do not work from home.
Environment and hazard risk
Algonac, 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
85° / 16°F
34.6 inches of rain a year
Health statistics
Share of adults in Algonac, MI, CDC PLACES estimates
Obesity
39.1%
U.S. 33.3% +5.8 pts
Diabetes
14.0%
U.S. 12.1% +1.9 pts
Smoking
20.0%
U.S. 12.8% +7.2 pts
Uninsured (18-64)
7.6%
U.S. 11.1% -3.5 pts
Cities near Algonac
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Pearl BeachCensus-designated place | 2.1 mi | 4.8 |
| Marine CityCity | 6.8 mi | 2.2 |
| New BaltimoreCity | 11 mi | 4.6 |
| St. ClairCity | 15 mi | 2.9 |
| New HavenVillage | 15 mi | 2.5 |
| RichmondCity | 17 mi | 2.9 |
| Mount ClemensCity | 18 mi | 4.1 |
| MarysvilleCity | 20 mi | 7.3 |
| St. Clair ShoresCity | 20 mi | 11.7 |
| Village of Grosse Pointe ShoresCity | 21 mi | 1.1 |
| FraserCity | 22 mi | 4.1 |
| RosevilleCity | 22 mi | 9.8 |
| MemphisCity | 22 mi | 1.1 |
| Grosse Pointe WoodsCity | 22 mi | 3.2 |
| EastpointeCity | 23 mi | 5.2 |
| ArmadaVillage | 23 mi | 0.7 |
Frequently asked questions
- What county is Algonac, MI in?
- Algonac is in St. Clair County, Michigan.
- What is the population of Algonac, MI?
- About 4,139 people live in Algonac, based on American Community Survey 5-year estimates.
- What cities are near Algonac?
- Nearby places include Pearl Beach (2.1 mi), Marine City (6.8 mi), New Baltimore (11 mi), St. Clair (15 mi), New Haven (15 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023