Population by Age in St. Clair County
*Base on 2010 Data
| Total population | 163,040 | 100.00% |
| Under 5 years | 9,288 | 5.70% |
| 5 to 9 years | 10,402 | 6.38% |
| 10 to 14 years | 11,424 | 7.01% |
| 15 to 19 years | 11,762 | 7.21% |
| 20 to 24 years | 8,714 | 5.34% |
| 25 to 29 years | 8,237 | 5.05% |
| 30 to 34 years | 8,570 | 5.26% |
| 35 to 39 years | 10,046 | 6.16% |
| 40 to 44 years | 11,894 | 7.30% |
| 45 to 49 years | 13,596 | 8.34% |
| 50 to 54 years | 13,450 | 8.25% |
| 55 to 59 years | 11,916 | 7.31% |
| 60 to 64 years | 10,070 | 6.18% |
| 65 to 69 years | 7,561 | 4.64% |
| 70 to 74 years | 5,333 | 3.27% |
| 75 to 79 years | 4,182 | 2.57% |
| 80 to 84 years | 3,383 | 2.07% |
| 85 years and over | 3,212 | 1.97% |
Male Population in St. Clair County
*Base on 2010 Data
| Male population | 80,724 | 49.51% |
| Under 5 years | 4,779 | 2.93% |
| 5 to 9 years | 5,314 | 3.26% |
| 10 to 14 years | 5,842 | 3.58% |
| 15 to 19 years | 6,184 | 3.79% |
| 20 to 24 years | 4,453 | 2.73% |
| 25 to 29 years | 4,062 | 2.49% |
| 30 to 34 years | 4,265 | 2.62% |
| 35 to 39 years | 4,977 | 3.05% |
| 40 to 44 years | 5,907 | 3.62% |
| 45 to 49 years | 6,797 | 4.17% |
| 50 to 54 years | 6,756 | 4.14% |
| 55 to 59 years | 5,889 | 3.61% |
| 60 to 64 years | 5,040 | 3.09% |
| 65 to 69 years | 3,645 | 2.24% |
| 70 to 74 years | 2,570 | 1.58% |
| 75 to 79 years | 1,850 | 1.13% |
| 80 to 84 years | 1,380 | 0.85% |
| 85 years and over | 1,014 | 0.62% |
Female Population in St. Clair County
*Base on 2010 Data
| Female population | 82,316 | 50.49% |
| Under 5 years | 4,509 | 2.77% |
| 5 to 9 years | 5,088 | 3.12% |
| 10 to 14 years | 5,582 | 3.42% |
| 15 to 19 years | 5,578 | 3.42% |
| 20 to 24 years | 4,261 | 2.61% |
| 25 to 29 years | 4,175 | 2.56% |
| 30 to 34 years | 4,305 | 2.64% |
| 35 to 39 years | 5,069 | 3.11% |
| 40 to 44 years | 5,987 | 3.67% |
| 45 to 49 years | 6,799 | 4.17% |
| 50 to 54 years | 6,694 | 4.11% |
| 55 to 59 years | 6,027 | 3.70% |
| 60 to 64 years | 5,030 | 3.09% |
| 65 to 69 years | 3,916 | 2.40% |
| 70 to 74 years | 2,763 | 1.69% |
| 75 to 79 years | 2,332 | 1.43% |
| 80 to 84 years | 2,003 | 1.23% |
| 85 years and over | 2,198 | 1.35% |
Median Age in St. Clair County
*Base on 2010 Data
| Both | 41.30% | |
| Male | 40.40% | |
| Female | 42.20% |
Race in St. Clair County
*Base on 2010 Data
| Total | 163,040 | 100.00% |
| Population of one race | 159,740 | 97.98% |
| White | 153,052 | 93.87% |
| Black or African American | 3,976 | 2.44% |
| American Indian and Alaska Native | 729 | 0.45% |
| Asian | 777 | 0.48% |
| Asian Indian | 141 | 0.09% |
| Chinese | 121 | 0.07% |
| Filipino | 166 | 0.10% |
| Japanese | 33 | 0.02% |
| Korean | 105 | 0.06% |
| Vietnamese | 28 | 0.02% |
| Other Asian | 183 | 0.11% |
| Native Hawaiian and Other Pacific Islander | 29 | 0.02% |
| Native Hawaiian | 12 | 0.01% |
| Guamanian or Chamorro | 6 | 0.00% |
| Samoan | 3 | 0.00% |
| Other Pacific Islander | 8 | 0.00% |
| Some Other Race | 1,177 | 0.72% |
| Population of Two or More Races | 3,300 | 2.02% |
| White; American Indian and Alaska Native | 1,096 | 0.67% |
| White; Asian | 330 | 0.20% |
| White; Black or African American | 1,208 | 0.74% |
| White; Some Other Race | 308 | 0.19% |
The Population 16 Years in St. Clair County
*Base on 2010 Data
| Total | 129,495 | 100.00% |
| Male | 63,516 | 49.05% |
| Female | 65,979 | 50.95% |
The Population 18 Years in St. Clair County
*Base on 2010 Data
| Total | 124,427 | 100.00% |
| Male | 60,846 | 48.90% |
| Female | 63,581 | 51.10% |
The Population 21 Years in St. Clair County
*Base on 2010 Data
| Total | 118,220 | 100.00% |
| Male | 57,624 | 48.74% |
| Female | 60,596 | 51.26% |
The Population 62 Years in St. Clair County
*Base on 2010 Data
| Total | 29,374 | 100.00% |
| Male | 13,306 | 45.30% |
| Female | 16,068 | 54.70% |
The Population 65 Years in St. Clair County
*Base on 2010 Data
| Total | 23,671 | 100.00% |
| Male | 10,459 | 44.18% |
| Female | 13,212 | 55.82% |
Race (total races tallied) in St. Clair County
*Base on 2010 Data
| White alone or in combination with one or more other races | 156,201 | 93.79% |
| Black or African American alone or in combination with one or more other races | 5,432 | 3.26% |
| American Indian and Alaska Native alone or in combination with one or more other races | 2,032 | 1.22% |
| Asian alone or in combination with one or more other races | 1,202 | 0.72% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 94 | 0.06% |
| Some Other Race alone or in combination with one or more other races | 1,589 | 0.95% |
Hispanic or Latino by Specific Origin in St. Clair County
*Base on 2010 Data
| Total | 163,040 | 100.00% |
| Hispanic or Latino (of any race) | 4,708 | 2.89% |
| Mexican | 3,667 | 2.25% |
| Puerto Rican | 284 | 0.17% |
| Cuban | 69 | 0.04% |
| Other Hispanic or Latino | 688 | 0.42% |
| Not Hispanic or Latino | 158,332 | 97.11% |
Hispanic or Latino and Race in St. Clair County
*Base on 2010 Data
| Total | 163,040 | 100.00% |
| Hispanic or Latino | 4,708 | 2.89% |
| White alone | 2,839 | 1.74% |
| Black or African American alone | 116 | 0.07% |
| American Indian and Alaska Native alone | 82 | 0.05% |
| Asian alone | 14 | 0.01% |
| Native Hawaiian and Other Pacific Islander alone | 2 | 0.00% |
| Some Other Race alone | 1,078 | 0.66% |
| Two or More Races | 577 | 0.35% |
| Not Hispanic or Latino | 158,332 | 97.11% |
| White alone | 150,213 | 92.13% |
| Black or African American alone | 3,860 | 2.37% |
| American Indian and Alaska Native alone | 647 | 0.40% |
| Asian alone | 763 | 0.47% |
| Native Hawaiian and Other Pacific Islander alone | 27 | 0.02% |
| Some Other Race alone | 99 | 0.06% |
| Two or More Races | 2,723 | 1.67% |
Relationship in St. Clair County
*Base on 2010 Data
| Total | 163,040 | 100.00% |
| In households | 161,041 | 98.77% |
| Householder | 63,841 | 39.16% |
| Spouse | 33,795 | 20.73% |
| Child | 48,100 | 29.50% |
| Own child under 18 years | 34,677 | 21.27% |
| Other relatives | 7,000 | 4.29% |
| Under 18 years | 2,875 | 1.76% |
| 65 years and over | 1,133 | 0.69% |
| Nonrelatives | 8,305 | 5.09% |
| Under 18 years | 973 | 0.60% |
| 65 years and over | 382 | 0.23% |
| Unmarried partner | 4,499 | 2.76% |
| In group quarters | 1,999 | 1.23% |
| Institutionalized population | 1,150 | 0.71% |
| Male | 568 | 0.35% |
| Female | 582 | 0.36% |
| Noninstitutionalized population | 849 | 0.52% |
| Male | 448 | 0.27% |
| Female | 401 | 0.25% |
Households by Type in St. Clair County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 63,841 | 100.00% |
| Family households (families) | 44,238 | 69.29% |
| With own children under 18 years | 18,397 | 28.82% |
| Husband-wife family | 33,795 | 52.94% |
| With own children under 18 years | 12,575 | 19.70% |
| Male householder, no wife present | 3,177 | 4.98% |
| With own children under 18 years | 1,655 | 2.59% |
| Female householder, no husband present | 7,266 | 11.38% |
| With own children under 18 years | 4,167 | 6.53% |
| Nonfamily households | 19,603 | 30.71% |
| Householder living alone | 16,279 | 25.50% |
| Male | 7,622 | 11.94% |
| 65 years and over | 2,001 | 3.13% |
| Female | 8,657 | 13.56% |
| 65 years and over | 4,596 | 7.20% |
Households with individuals under 18 years in St. Clair County
*Base on 2010 Data
| Total | 20,321 | 31.83% |
Households with individuals under 65 years in St. Clair County
*Base on 2010 Data
| Total | 16,870 | 26.43% |
Average Household Size in St. Clair County
*Base on 2010 Data
| Average household size | 3 | % |
Average Family Size in St. Clair County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in St. Clair County
*Base on 2010 Data
| Total | 71,822 | 100.00% |
| Occupied housing units | 63,841 | 88.89% |
| Vacant housing units | 7,981 | 11.11% |
| For rent | 1,913 | 2.66% |
| Rented, not occupied | 70 | 0.10% |
| For sale only | 1,196 | 1.67% |
| Sold, not occupied | 335 | 0.47% |
| For seasonal, recreational, or occasional use | 2,509 | 3.49% |
| All other vacants | 1,958 | 2.73% |
Homeowner Vacancy Rate in St. Clair County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 2.40% |
Rental Vacancy Rate in St. Clair County
*Base on 2010 Data
| Rental vacancy rate (percent) | 11.60% |
Housing Tenure(Occupied housing units) in St. Clair County
*Base on 2010 Data
| Total | 63,841 | 100.00% |
| Owner-occupied housing units | 49,356 | 77.31% |
| Renter-occupied housing units | 14,485 | 22.69% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in St. Clair County
*Base on 2010 Data
| Owner-occupied housing units | 127,385 | 79.10% |
| Renter-occupied housing units | 33,656 | 20.90% |
Average Household Size of Occupied Housing Units by Tenure in St. Clair County
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 2 | % |