St. Clair County, Michigan demographics
Population: 160,067
Median age: 44.1
Median household income: 62,847
Demographics, population, home values, social and economic characteristics of St. Clair County, Michigan.
Population
| 2021 | 160,067 |
| 2020 | 159,285 |
| 2019 | 159,247 |
| 2018 | 159,566 |
| 2017 | 159,761 |
| 2016 | 160,069 |
| 2015 | 160,429 |
| 2014 | 161,008 |
| 2013 | 161,865 |
| 2012 | 162,978 |
| 2011 | 164,374 |
| 2010 | 165,719 |
| 2009 | 169,260 |
St. Clair County, MI cities
Algonac city - 4,173
Capac village - 1,934
Emmett village - 282
Marine City city - 4,069
Marysville city - 9,925
Memphis city - 1,050
Pearl Beach CDP - 4,964
Port Huron city - 29,009
Richmond city - 5,871
St. Clair city - 5,489
Yale city - 2,100
Census data for St. Clair County, Michigan
Demographic and housing estimates in St. Clair County, Michigan
| Total population | 160,067 |
| Male | 80,013 |
| Female | 80,054 |
| Total population | 160,067 |
| Under 5 years | 7,956 |
| 5 to 9 years | 8,548 |
| 10 to 14 years | 10,354 |
| 15 to 19 years | 10,091 |
| 20 to 24 years | 8,901 |
| 25 to 34 years | 17,722 |
| 35 to 44 years | 18,184 |
| 45 to 54 years | 22,577 |
| 55 to 59 years | 13,354 |
| 60 to 64 years | 12,313 |
| 65 to 74 years | 18,373 |
| 75 to 84 years | 8,304 |
| 85 years and over | 3,390 |
| Median age (years) | 44.1 |
| Under 18 years | 33,454 |
| 16 years and over | 131,347 |
| 18 years and over | 126,613 |
| 21 years and over | 121,496 |
| 62 years and over | 37,704 |
| 65 years and over | 30,067 |
| Total population | 160,067 |
| One race | 154,134 |
| White | 148,323 |
| Black or African American | 3,612 |
| American Indian and Alaska Native | 197 |
| Asian | 730 |
| Native Hawaiian and Other Pacific Islander | 63 |
| Some other race | 1,209 |
| Two or more races | 5,933 |
| Citizen, VOTING AGE 18 and over population | 125,162 |
| Male Citizen, VOTING AGE 18 and over population | 62,044 |
| Female Citizen, VOTING AGE 18 and over population | 63,118 |
Social characteristics in St. Clair County, Michigan
| Total households | 65,362 |
| Family households (families) | 33,488 |
| Married-couple family | 4,986 |
| Male householder, no wife present, family | 11,536 |
| Female householder, no husband present, family | 8,337 |
| Nonfamily households | 15,352 |
| Average household size | 21,357 |
| Average family size | 2.42 |
Economic characteristics in St. Clair County, Michigan
| Total households | 65,362 |
| Less than $10,000 | 3,118 |
| $10,000 to $14,999 | 2,457 |
| $15,000 to $24,999 | 5,190 |
| $25,000 to $34,999 | 5,894 |
| $35,000 to $49,999 | 9,373 |
| $50,000 to $74,999 | 11,604 |
| $75,000 to $99,999 | 9,752 |
| $100,000 to $149,999 | 10,487 |
| $150,000 to $199,999 | 4,238 |
| $200,000 or more | 3,249 |
| Median household income (dollars) | 62,847 |
Housing characteristics in St. Clair County, Michigan
| Total housing units | 71,933 |
| Occupied housing units | 65,362 |
| Vacant housing units | 6,571 |
| Total housing units | 71,933 |
| 1-unit, detached | 56,900 |
| 1-unit, attached | 2,085 |
| 2 units | 1,870 |
| 3 or 4 units | 1,555 |
| 5 to 9 units | 1,700 |
| 10 to 19 units | 1,188 |
| 20 or more units | 1,936 |
| Mobile home | 4,664 |
| Boat, RV, van, etc. | 35 |
| Total housing units | 71,933 |
| Built 2014 or later | 125 |
| Built 2010 to 2013 | 1,579 |
| Built 2000 to 2009 | 8,474 |
| Built 1990 to 1999 | 12,010 |
| Built 1980 to 1989 | 7,508 |
| Built 1970 to 1979 | 10,407 |
| Built 1960 to 1969 | 6,336 |
| Built 1950 to 1959 | 8,822 |
| Built 1940 to 1949 | 4,885 |
| Built 1939 or earlier | 11,787 |
| Total housing units | 71,933 |
| 1 room | 683 |
| 2 rooms | 787 |
| 3 rooms | 3,350 |
| 4 rooms | 8,294 |
| 5 rooms | 15,084 |
| 6 rooms | 14,913 |
| 7 rooms | 11,468 |
| 8 rooms | 7,774 |
| 9 rooms or more | 9,580 |
| Median rooms | 6.0 |
| Total housing units | 71,933 |
| No bedroom | 808 |
| 1 bedroom | 4,059 |
| 2 bedrooms | 15,576 |
| 3 bedrooms | 37,930 |
| 4 bedrooms | 10,826 |
| 5 or more bedrooms | 2,734 |
| Occupied housing units | 65,362 |
| Owner-occupied | 52,219 |
| Renter-occupied | 13,143 |
| Average household size of owner-occupied unit | 2.48 |
| Average household size of renter-occupied unit | 2.21 |
| Occupied housing units | 65,362 |
| Moved in 2017 or later | 5,042 |
| Moved in 2015 to 2016 | 16,288 |
| Moved in 2010 to 2014 | 11,521 |
| Moved in 2000 to 2009 | 13,305 |
| Moved in 1990 to 1999 | 10,101 |
| Moved in 1989 and earlier | 9,105 |
| Owner-occupied units | 52,219 |
| Less than $50,000 | 4,285 |
| $50,000 to $99,999 | 6,902 |
| $100,000 to $149,999 | 9,959 |
| $150,000 to $199,999 | 10,031 |
| $200,000 to $299,999 | 11,597 |
| $300,000 to $499,999 | 7,650 |
| $500,000 to $999,999 | 1,440 |
| $1,000,000 or more | 355 |
| Median (dollars) | 170,200 |
| Owner-occupied units | 52,219 |
| Housing units with a mortgage | 30,528 |
| Housing units without a mortgage | 21,691 |
| Occupied units paying rent | 12,340 |
| Less than $500 | 1,364 |
| $500 to $999 | 6,875 |
| $1,000 to $1,499 | 3,581 |
| $1,500 to $1,999 | 414 |
| $2,000 to $2,499 | 85 |
| $2,500 to $2,999 | 4 |
| $3,000 or more | 17 |
| Median (dollars) | 893 |
| No rent paid | 803 |
Demographic data for St. Clair County, MI and each city in the county. Lists of cities by population, wealth and poverty in St. Clair County, MI.
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