St. Clair County, Michigan's estimated 2024 population is 160,080 with a growth rate of 0.13% in the past year according to the most recent United States census data. St. Clair County, Michigan is the 13th largest county in Michigan. The 2010 population was 162,688 and has seen a growth of -1.6% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 161,110 | 206 | 0.13% |
| 2028 | 160,904 | 206 | 0.13% |
| 2027 | 160,698 | 206 | 0.13% |
| 2026 | 160,492 | 206 | 0.13% |
| 2025 | 160,286 | 206 | 0.13% |
| 2024 | 160,080 | 206 | 0.13% |
| 2023 | 159,874 | 206 | 0.13% |
| 2022 | 159,668 | -537 | -0.34% |
| 2021 | 160,205 | -175 | -0.11% |
| 2020 | 160,380 | 1,041 | 0.65% |
| 2019 | 159,339 | 153 | 0.1% |
| 2018 | 159,186 | 56 | 0.04% |
| 2017 | 159,130 | -347 | -0.22% |
| 2016 | 159,477 | -280 | -0.18% |
| 2015 | 159,757 | -346 | -0.22% |
| 2014 | 160,103 | -209 | -0.13% |
| 2013 | 160,312 | -325 | -0.2% |
| 2012 | 160,637 | -949 | -0.59% |
| 2011 | 161,586 | -1,102 | -0.68% |
| 2010 | 162,688 | 0 | 0% |
| 1990 | 145,607 | 6,805 | 4.9% |
| 1980 | 138,802 | 18,627 | 15.5% |
| 1970 | 120,175 | 12,974 | 12.1% |
| 1960 | 107,201 | 15,602 | 17.03% |
| 1950 | 91,599 | 15,377 | 20.17% |
| 1940 | 76,222 | 8,659 | 12.82% |
| 1930 | 67,563 | 9,554 | 16.47% |
| 1920 | 58,009 | 5,668 | 10.83% |
| 1910 | 52,341 | -2,887 | -5.23% |
| 1900 | 55,228 | 3,123 | 5.99% |
| 1890 | 52,105 | 5,908 | 12.79% |
| 1880 | 46,197 | 9,536 | 26.01% |
| 1870 | 36,661 | 10,057 | 37.8% |
| 1860 | 26,604 | 16,184 | 155.32% |
| 1850 | 10,420 | 5,814 | 126.23% |
| 1840 | 4,606 | 3,492 | 313.46% |
| 1830 | 1,114 | -159,996 | -99.31% |
White
Two or more races
Black or African American
Other race
Asian
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 65,989 | 2.4 | 80.3 | 19.7 |
| Married | 33,295 | 2.96 | 92 | 8 |
| Non Family | 21,649 | 1.22 | 69.9 | 30.1 |
| Female | 7,546 | 3.06 | 61.2 | 38.8 |
| Male | 3,499 | 3.06 | 74.3 | 25.7 |
2.89
Average Family Size
2.4
Average Household Size
80.3%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among asian people with a rate of 92.72%.
The highest rate of bachelors degrees is among islander people with a rate of 72.73%.
All
Male
Female
$44,673
Average Earnings
$56,508
Average Male
$33,584
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
97.6% of St. Clair County, Michigan residents speak only English, while 2.4% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1% of the population.
rate
11.85%
Overall Poverty Rate
10.75%
Male Poverty Rate
12.95%
Female Poverty Rate
The race most likely to be in poverty in St. Clair County, Michigan is Black, with 27.92% below the poverty level.
The race least likely to be in poverty in St. Clair County, Michigan is Asian, with 1.73% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.18%. Among those working part-time, it was 14.54%, and for those that did not work, the poverty rate was 16.45%.
Married
Widowed
Divorced
Separated
NeverMarried
51.8%
Overall Marriage Rate
52.2%
Male Marriage Rate
51.4%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
6.27%
Veteran Poverty Rate
34.78%
Veteran Disability Rate
LaborForceParticipation
60.2%
Labor Force Participation
56%
Employment Rate
6.7%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
87.68%
Born in St. Clair County, Michigan
98.08%
Native Born
1.92%
Foreign Born
0.87%
Non Citizen
1.05%
Naturalized
98.08% of St. Clair County, Michigan residents were born in the United States, with 87.68% having been born in Michigan. 0.87% of residents are not US citizens. Of those not born in the United States, the largest percentage are from North America.