Population by Age in St. Louis County
*Base on 2010 Data
| Total population | 200,226 | 100.00% |
| Under 5 years | 10,981 | 5.48% |
| 5 to 9 years | 10,710 | 5.35% |
| 10 to 14 years | 10,657 | 5.32% |
| 15 to 19 years | 14,712 | 7.35% |
| 20 to 24 years | 17,510 | 8.75% |
| 25 to 29 years | 12,417 | 6.20% |
| 30 to 34 years | 10,862 | 5.42% |
| 35 to 39 years | 10,375 | 5.18% |
| 40 to 44 years | 11,311 | 5.65% |
| 45 to 49 years | 14,233 | 7.11% |
| 50 to 54 years | 16,083 | 8.03% |
| 55 to 59 years | 15,968 | 7.97% |
| 60 to 64 years | 12,591 | 6.29% |
| 65 to 69 years | 8,874 | 4.43% |
| 70 to 74 years | 6,894 | 3.44% |
| 75 to 79 years | 5,713 | 2.85% |
| 80 to 84 years | 4,957 | 2.48% |
| 85 years and over | 5,378 | 2.69% |
Male Population in St. Louis County
*Base on 2010 Data
| Male population | 100,207 | 50.05% |
| Under 5 years | 5,526 | 2.76% |
| 5 to 9 years | 5,486 | 2.74% |
| 10 to 14 years | 5,482 | 2.74% |
| 15 to 19 years | 7,593 | 3.79% |
| 20 to 24 years | 9,269 | 4.63% |
| 25 to 29 years | 6,490 | 3.24% |
| 30 to 34 years | 5,708 | 2.85% |
| 35 to 39 years | 5,386 | 2.69% |
| 40 to 44 years | 5,702 | 2.85% |
| 45 to 49 years | 7,143 | 3.57% |
| 50 to 54 years | 8,066 | 4.03% |
| 55 to 59 years | 8,105 | 4.05% |
| 60 to 64 years | 6,496 | 3.24% |
| 65 to 69 years | 4,367 | 2.18% |
| 70 to 74 years | 3,208 | 1.60% |
| 75 to 79 years | 2,509 | 1.25% |
| 80 to 84 years | 2,009 | 1.00% |
| 85 years and over | 1,662 | 0.83% |
Female Population in St. Louis County
*Base on 2010 Data
| Female population | 100,019 | 49.95% |
| Under 5 years | 5,455 | 2.72% |
| 5 to 9 years | 5,224 | 2.61% |
| 10 to 14 years | 5,175 | 2.58% |
| 15 to 19 years | 7,119 | 3.56% |
| 20 to 24 years | 8,241 | 4.12% |
| 25 to 29 years | 5,927 | 2.96% |
| 30 to 34 years | 5,154 | 2.57% |
| 35 to 39 years | 4,989 | 2.49% |
| 40 to 44 years | 5,609 | 2.80% |
| 45 to 49 years | 7,090 | 3.54% |
| 50 to 54 years | 8,017 | 4.00% |
| 55 to 59 years | 7,863 | 3.93% |
| 60 to 64 years | 6,095 | 3.04% |
| 65 to 69 years | 4,507 | 2.25% |
| 70 to 74 years | 3,686 | 1.84% |
| 75 to 79 years | 3,204 | 1.60% |
| 80 to 84 years | 2,948 | 1.47% |
| 85 years and over | 3,716 | 1.86% |
Median Age in St. Louis County
*Base on 2010 Data
| Both | 40.80% | |
| Male | 39.30% | |
| Female | 42.50% |
Race in St. Louis County
*Base on 2010 Data
| Total | 200,226 | 100.00% |
| Population of one race | 195,711 | 97.75% |
| White | 186,212 | 93.00% |
| Black or African American | 2,739 | 1.37% |
| American Indian and Alaska Native | 4,477 | 2.24% |
| Asian | 1,774 | 0.89% |
| Asian Indian | 248 | 0.12% |
| Chinese | 401 | 0.20% |
| Filipino | 157 | 0.08% |
| Japanese | 84 | 0.04% |
| Korean | 299 | 0.15% |
| Vietnamese | 187 | 0.09% |
| Other Asian | 398 | 0.20% |
| Native Hawaiian and Other Pacific Islander | 64 | 0.03% |
| Native Hawaiian | 22 | 0.01% |
| Guamanian or Chamorro | 9 | 0.00% |
| Samoan | 12 | 0.01% |
| Other Pacific Islander | 21 | 0.01% |
| Some Other Race | 445 | 0.22% |
| Population of Two or More Races | 4,515 | 2.25% |
| White; American Indian and Alaska Native | 2,055 | 1.03% |
| White; Asian | 588 | 0.29% |
| White; Black or African American | 1,125 | 0.56% |
| White; Some Other Race | 162 | 0.08% |
The Population 16 Years in St. Louis County
*Base on 2010 Data
| Total | 165,567 | 100.00% |
| Male | 82,529 | 49.85% |
| Female | 83,038 | 50.15% |
The Population 18 Years in St. Louis County
*Base on 2010 Data
| Total | 160,667 | 100.00% |
| Male | 79,968 | 49.77% |
| Female | 80,699 | 50.23% |
The Population 21 Years in St. Louis County
*Base on 2010 Data
| Total | 148,916 | 100.00% |
| Male | 73,921 | 49.64% |
| Female | 74,995 | 50.36% |
The Population 62 Years in St. Louis County
*Base on 2010 Data
| Total | 38,878 | 100.00% |
| Male | 17,361 | 44.66% |
| Female | 21,517 | 55.34% |
The Population 65 Years in St. Louis County
*Base on 2010 Data
| Total | 31,816 | 100.00% |
| Male | 13,755 | 43.23% |
| Female | 18,061 | 56.77% |
Race (total races tallied) in St. Louis County
*Base on 2010 Data
| White alone or in combination with one or more other races | 190,485 | 92.89% |
| Black or African American alone or in combination with one or more other races | 4,296 | 2.09% |
| American Indian and Alaska Native alone or in combination with one or more other races | 6,938 | 3.38% |
| Asian alone or in combination with one or more other races | 2,513 | 1.23% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 156 | 0.08% |
| Some Other Race alone or in combination with one or more other races | 675 | 0.33% |
Hispanic or Latino by Specific Origin in St. Louis County
*Base on 2010 Data
| Total | 200,226 | 100.00% |
| Hispanic or Latino (of any race) | 2,409 | 1.20% |
| Mexican | 1,365 | 0.68% |
| Puerto Rican | 257 | 0.13% |
| Cuban | 102 | 0.05% |
| Other Hispanic or Latino | 685 | 0.34% |
| Not Hispanic or Latino | 197,817 | 98.80% |
Hispanic or Latino and Race in St. Louis County
*Base on 2010 Data
| Total | 200,226 | 100.00% |
| Hispanic or Latino | 2,409 | 1.20% |
| White alone | 1,443 | 0.72% |
| Black or African American alone | 51 | 0.03% |
| American Indian and Alaska Native alone | 200 | 0.10% |
| Asian alone | 14 | 0.01% |
| Native Hawaiian and Other Pacific Islander alone | 4 | 0.00% |
| Some Other Race alone | 350 | 0.17% |
| Two or More Races | 347 | 0.17% |
| Not Hispanic or Latino | 197,817 | 98.80% |
| White alone | 184,769 | 92.28% |
| Black or African American alone | 2,688 | 1.34% |
| American Indian and Alaska Native alone | 4,277 | 2.14% |
| Asian alone | 1,760 | 0.88% |
| Native Hawaiian and Other Pacific Islander alone | 60 | 0.03% |
| Some Other Race alone | 95 | 0.05% |
| Two or More Races | 4,168 | 2.08% |
Relationship in St. Louis County
*Base on 2010 Data
| Total | 200,226 | 100.00% |
| In households | 190,793 | 95.29% |
| Householder | 84,783 | 42.34% |
| Spouse | 38,143 | 19.05% |
| Child | 46,968 | 23.46% |
| Own child under 18 years | 35,897 | 17.93% |
| Other relatives | 5,457 | 2.73% |
| Under 18 years | 2,226 | 1.11% |
| 65 years and over | 744 | 0.37% |
| Nonrelatives | 15,442 | 7.71% |
| Under 18 years | 971 | 0.48% |
| 65 years and over | 570 | 0.28% |
| Unmarried partner | 6,255 | 3.12% |
| In group quarters | 9,433 | 4.71% |
| Institutionalized population | 3,218 | 1.61% |
| Male | 1,890 | 0.94% |
| Female | 1,328 | 0.66% |
| Noninstitutionalized population | 6,215 | 3.10% |
| Male | 3,214 | 1.61% |
| Female | 3,001 | 1.50% |
Households by Type in St. Louis County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 84,783 | 100.00% |
| Family households (families) | 49,750 | 58.68% |
| With own children under 18 years | 19,613 | 23.13% |
| Husband-wife family | 38,143 | 44.99% |
| With own children under 18 years | 12,602 | 14.86% |
| Male householder, no wife present | 3,556 | 4.19% |
| With own children under 18 years | 1,983 | 2.34% |
| Female householder, no husband present | 8,051 | 9.50% |
| With own children under 18 years | 5,028 | 5.93% |
| Nonfamily households | 35,033 | 41.32% |
| Householder living alone | 27,890 | 32.90% |
| Male | 13,197 | 15.57% |
| 65 years and over | 3,077 | 3.63% |
| Female | 14,693 | 17.33% |
| 65 years and over | 7,472 | 8.81% |
Households with individuals under 18 years in St. Louis County
*Base on 2010 Data
| Total | 21,224 | 25.03% |
Households with individuals under 65 years in St. Louis County
*Base on 2010 Data
| Total | 22,411 | 26.43% |
Average Household Size in St. Louis County
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in St. Louis County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in St. Louis County
*Base on 2010 Data
| Total | 103,058 | 100.00% |
| Occupied housing units | 84,783 | 82.27% |
| Vacant housing units | 18,275 | 17.73% |
| For rent | 1,922 | 1.86% |
| Rented, not occupied | 134 | 0.13% |
| For sale only | 1,250 | 1.21% |
| Sold, not occupied | 221 | 0.21% |
| For seasonal, recreational, or occasional use | 11,999 | 11.64% |
| All other vacants | 2,749 | 2.67% |
Homeowner Vacancy Rate in St. Louis County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 2.00% |
Rental Vacancy Rate in St. Louis County
*Base on 2010 Data
| Rental vacancy rate (percent) | 7.30% |
Housing Tenure(Occupied housing units) in St. Louis County
*Base on 2010 Data
| Total | 84,783 | 100.00% |
| Owner-occupied housing units | 60,414 | 71.26% |
| Renter-occupied housing units | 24,369 | 28.74% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in St. Louis County
*Base on 2010 Data
| Owner-occupied housing units | 143,104 | 75.00% |
| Renter-occupied housing units | 47,689 | 25.00% |
Average Household Size of Occupied Housing Units by Tenure in St. Louis County
*Base on 2010 Data
| Owner occupied | 2 | % |
| Renter occupied | 2 | % |