Population by Age in St. Louis County
*Base on 2010 Data
| Total population | 998,954 | 100.00% |
| Under 5 years | 58,606 | 5.87% |
| 5 to 9 years | 62,946 | 6.30% |
| 10 to 14 years | 67,920 | 6.80% |
| 15 to 19 years | 70,954 | 7.10% |
| 20 to 24 years | 60,220 | 6.03% |
| 25 to 29 years | 63,786 | 6.39% |
| 30 to 34 years | 58,065 | 5.81% |
| 35 to 39 years | 58,640 | 5.87% |
| 40 to 44 years | 64,123 | 6.42% |
| 45 to 49 years | 76,494 | 7.66% |
| 50 to 54 years | 79,105 | 7.92% |
| 55 to 59 years | 70,200 | 7.03% |
| 60 to 64 years | 58,402 | 5.85% |
| 65 to 69 years | 42,431 | 4.25% |
| 70 to 74 years | 31,812 | 3.18% |
| 75 to 79 years | 27,905 | 2.79% |
| 80 to 84 years | 23,749 | 2.38% |
| 85 years and over | 23,596 | 2.36% |
Male Population in St. Louis County
*Base on 2010 Data
| Male population | 472,903 | 47.34% |
| Under 5 years | 29,911 | 2.99% |
| 5 to 9 years | 32,028 | 3.21% |
| 10 to 14 years | 34,796 | 3.48% |
| 15 to 19 years | 36,296 | 3.63% |
| 20 to 24 years | 29,507 | 2.95% |
| 25 to 29 years | 30,892 | 3.09% |
| 30 to 34 years | 27,690 | 2.77% |
| 35 to 39 years | 27,616 | 2.76% |
| 40 to 44 years | 30,276 | 3.03% |
| 45 to 49 years | 35,914 | 3.60% |
| 50 to 54 years | 37,290 | 3.73% |
| 55 to 59 years | 32,919 | 3.30% |
| 60 to 64 years | 26,621 | 2.66% |
| 65 to 69 years | 19,106 | 1.91% |
| 70 to 74 years | 13,913 | 1.39% |
| 75 to 79 years | 11,589 | 1.16% |
| 80 to 84 years | 9,120 | 0.91% |
| 85 years and over | 7,419 | 0.74% |
Female Population in St. Louis County
*Base on 2010 Data
| Female population | 526,051 | 52.66% |
| Under 5 years | 28,695 | 2.87% |
| 5 to 9 years | 30,918 | 3.10% |
| 10 to 14 years | 33,124 | 3.32% |
| 15 to 19 years | 34,658 | 3.47% |
| 20 to 24 years | 30,713 | 3.07% |
| 25 to 29 years | 32,894 | 3.29% |
| 30 to 34 years | 30,375 | 3.04% |
| 35 to 39 years | 31,024 | 3.11% |
| 40 to 44 years | 33,847 | 3.39% |
| 45 to 49 years | 40,580 | 4.06% |
| 50 to 54 years | 41,815 | 4.19% |
| 55 to 59 years | 37,281 | 3.73% |
| 60 to 64 years | 31,781 | 3.18% |
| 65 to 69 years | 23,325 | 2.33% |
| 70 to 74 years | 17,899 | 1.79% |
| 75 to 79 years | 16,316 | 1.63% |
| 80 to 84 years | 14,629 | 1.46% |
| 85 years and over | 16,177 | 1.62% |
Median Age in St. Louis County
*Base on 2010 Data
| Both | 39.90% | |
| Male | 37.90% | |
| Female | 41.60% |
Race in St. Louis County
*Base on 2010 Data
| Total | 998,954 | 100.00% |
| Population of one race | 980,358 | 98.14% |
| White | 701,948 | 70.27% |
| Black or African American | 233,029 | 23.33% |
| American Indian and Alaska Native | 1,962 | 0.20% |
| Asian | 34,597 | 3.46% |
| Asian Indian | 10,761 | 1.08% |
| Chinese | 9,739 | 0.97% |
| Filipino | 2,688 | 0.27% |
| Japanese | 869 | 0.09% |
| Korean | 3,058 | 0.31% |
| Vietnamese | 3,324 | 0.33% |
| Other Asian | 4,158 | 0.42% |
| Native Hawaiian and Other Pacific Islander | 307 | 0.03% |
| Native Hawaiian | 86 | 0.01% |
| Guamanian or Chamorro | 70 | 0.01% |
| Samoan | 53 | 0.01% |
| Other Pacific Islander | 98 | 0.01% |
| Some Other Race | 8,515 | 0.85% |
| Population of Two or More Races | 18,596 | 1.86% |
| White; American Indian and Alaska Native | 2,345 | 0.23% |
| White; Asian | 4,421 | 0.44% |
| White; Black or African American | 6,359 | 0.64% |
| White; Some Other Race | 1,014 | 0.10% |
The Population 16 Years in St. Louis County
*Base on 2010 Data
| Total | 794,957 | 100.00% |
| Male | 368,715 | 46.38% |
| Female | 426,242 | 53.62% |
The Population 18 Years in St. Louis County
*Base on 2010 Data
| Total | 764,780 | 100.00% |
| Male | 353,216 | 46.19% |
| Female | 411,564 | 53.81% |
The Population 21 Years in St. Louis County
*Base on 2010 Data
| Total | 726,885 | 100.00% |
| Male | 334,057 | 45.96% |
| Female | 392,828 | 54.04% |
The Population 62 Years in St. Louis County
*Base on 2010 Data
| Total | 182,955 | 100.00% |
| Male | 76,390 | 41.75% |
| Female | 106,565 | 58.25% |
The Population 65 Years in St. Louis County
*Base on 2010 Data
| Total | 149,493 | 100.00% |
| Male | 61,147 | 40.90% |
| Female | 88,346 | 59.10% |
Race (total races tallied) in St. Louis County
*Base on 2010 Data
| White alone or in combination with one or more other races | 717,744 | 70.42% |
| Black or African American alone or in combination with one or more other races | 242,703 | 23.81% |
| American Indian and Alaska Native alone or in combination with one or more other races | 6,592 | 0.65% |
| Asian alone or in combination with one or more other races | 40,622 | 3.99% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 941 | 0.09% |
| Some Other Race alone or in combination with one or more other races | 10,648 | 1.04% |
Hispanic or Latino by Specific Origin in St. Louis County
*Base on 2010 Data
| Total | 998,954 | 100.00% |
| Hispanic or Latino (of any race) | 25,024 | 2.51% |
| Mexican | 14,542 | 1.46% |
| Puerto Rican | 1,957 | 0.20% |
| Cuban | 792 | 0.08% |
| Other Hispanic or Latino | 7,733 | 0.77% |
| Not Hispanic or Latino | 973,930 | 97.49% |
Hispanic or Latino and Race in St. Louis County
*Base on 2010 Data
| Total | 998,954 | 100.00% |
| Hispanic or Latino | 25,024 | 2.51% |
| White alone | 13,964 | 1.40% |
| Black or African American alone | 1,228 | 0.12% |
| American Indian and Alaska Native alone | 330 | 0.03% |
| Asian alone | 131 | 0.01% |
| Native Hawaiian and Other Pacific Islander alone | 34 | 0.00% |
| Some Other Race alone | 7,328 | 0.73% |
| Two or More Races | 2,009 | 0.20% |
| Not Hispanic or Latino | 973,930 | 97.49% |
| White alone | 687,984 | 68.87% |
| Black or African American alone | 231,801 | 23.20% |
| American Indian and Alaska Native alone | 1,632 | 0.16% |
| Asian alone | 34,466 | 3.45% |
| Native Hawaiian and Other Pacific Islander alone | 273 | 0.03% |
| Some Other Race alone | 1,187 | 0.12% |
| Two or More Races | 16,587 | 1.66% |
Relationship in St. Louis County
*Base on 2010 Data
| Total | 998,954 | 100.00% |
| In households | 979,500 | 98.05% |
| Householder | 404,765 | 40.52% |
| Spouse | 189,432 | 18.96% |
| Child | 292,989 | 29.33% |
| Own child under 18 years | 210,665 | 21.09% |
| Other relatives | 48,930 | 4.90% |
| Under 18 years | 19,694 | 1.97% |
| 65 years and over | 7,083 | 0.71% |
| Nonrelatives | 43,384 | 4.34% |
| Under 18 years | 2,768 | 0.28% |
| 65 years and over | 1,864 | 0.19% |
| Unmarried partner | 21,812 | 2.18% |
| In group quarters | 19,454 | 1.95% |
| Institutionalized population | 12,035 | 1.20% |
| Male | 5,471 | 0.55% |
| Female | 6,564 | 0.66% |
| Noninstitutionalized population | 7,419 | 0.74% |
| Male | 3,539 | 0.35% |
| Female | 3,880 | 0.39% |
Households by Type in St. Louis County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 404,765 | 100.00% |
| Family households (families) | 263,423 | 65.08% |
| With own children under 18 years | 114,948 | 28.40% |
| Husband-wife family | 189,432 | 46.80% |
| With own children under 18 years | 76,147 | 18.81% |
| Male householder, no wife present | 16,338 | 4.04% |
| With own children under 18 years | 7,644 | 1.89% |
| Female householder, no husband present | 57,653 | 14.24% |
| With own children under 18 years | 31,157 | 7.70% |
| Nonfamily households | 141,342 | 34.92% |
| Householder living alone | 119,346 | 29.49% |
| Male | 47,033 | 11.62% |
| 65 years and over | 11,078 | 2.74% |
| Female | 72,313 | 17.87% |
| 65 years and over | 32,848 | 8.12% |
Households with individuals under 18 years in St. Louis County
*Base on 2010 Data
| Total | 126,823 | 31.33% |
Households with individuals under 65 years in St. Louis County
*Base on 2010 Data
| Total | 106,110 | 26.22% |
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 | 438,032 | 100.00% |
| Occupied housing units | 404,765 | 92.41% |
| Vacant housing units | 33,267 | 7.59% |
| For rent | 12,632 | 2.88% |
| Rented, not occupied | 650 | 0.15% |
| For sale only | 6,846 | 1.56% |
| Sold, not occupied | 1,362 | 0.31% |
| For seasonal, recreational, or occasional use | 2,072 | 0.47% |
| All other vacants | 9,705 | 2.22% |
Homeowner Vacancy Rate in St. Louis County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 2.30% |
Rental Vacancy Rate in St. Louis County
*Base on 2010 Data
| Rental vacancy rate (percent) | 10.00% |
Housing Tenure(Occupied housing units) in St. Louis County
*Base on 2010 Data
| Total | 404,765 | 100.00% |
| Owner-occupied housing units | 291,937 | 72.13% |
| Renter-occupied housing units | 112,828 | 27.87% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in St. Louis County
*Base on 2010 Data
| Owner-occupied housing units | 735,572 | 75.10% |
| Renter-occupied housing units | 243,928 | 24.90% |
Average Household Size of Occupied Housing Units by Tenure in St. Louis County
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 2 | % |