Language Spoken At Home in St. Louis County
*Base on 2012 Data
| Population 5 years and over | 940,873 | 100% |
| English only | 859,149 | 91.3% |
| Language other than English | 81,724 | 8.7% |
| Speak English less than very well | 29,482 | 3.1% |
| Spanish | 20,467 | 2.2% |
| Speak English less than very well | 7,242 | 0.8% |
| Other Indo-European languages | 33,821 | 3.6% |
| Speak English less than very well | 10,962 | 1.2% |
| Asian and Pacific Islander languages | 20,501 | 2.2% |
| Speak English less than very well | 9,485 | 1.0% |
| Other languages | 6,935 | 0.7% |
| Speak English less than very well | 1,793 | 0.2% |
Ancestry in St. Louis County
*Base on 2012 Data
| Total population | 999,147 | 100% |
| American | 55,271 | 5.5% |
| Arab | 6,058 | 0.6% |
| Czech | 7,485 | 0.7% |
| Danish | 2,856 | 0.3% |
| Dutch | 11,372 | 1.1% |
| English | 83,901 | 8.4% |
| French (except Basque) | 38,272 | 3.8% |
| French Canadian | 1,972 | 0.2% |
| German | 282,674 | 28.3% |
| Greek | 4,414 | 0.4% |
| Hungarian | 5,319 | 0.5% |
| Irish | 148,420 | 14.9% |
| Italian | 51,086 | 5.1% |
| Lithuanian | 1,698 | 0.2% |
| Norwegian | 6,129 | 0.6% |
| Polish | 28,199 | 2.8% |
| Portuguese | 802 | 0.1% |
| Russian | 12,421 | 1.2% |
| Scotch-Irish | 9,670 | 1.0% |
| Scottish | 15,742 | 1.6% |
| Slovak | 1,565 | 0.2% |
| Subsaharan African | 12,396 | 1.2% |
| Swedish | 8,035 | 0.8% |
| Swiss | 5,589 | 0.6% |
| Ukrainian | 2,617 | 0.3% |
| Welsh | 5,686 | 0.6% |
| West Indian (excluding Hispanic origin groups) | 1,347 | 0.1% |
Households By Type in St. Louis County
*Base on 2012 Data
| Total households | 404,151 | 100% |
| Family households (families) | 264,111 | 65.3% |
| With own children under 18 years | 116,174 | 28.7% |
| Married-couple family | 191,527 | 47.4% |
| With own children under 18 years | 76,232 | 18.9% |
| Male householder, no wife present, family | 16,027 | 4.0% |
| With own children under 18 years | 7,832 | 1.9% |
| Female householder, no husband present, family | 56,557 | 14.0% |
| With own children under 18 years | 32,110 | 7.9% |
| Nonfamily households | 140,040 | 34.7% |
| Householder living alone | 120,655 | 29.9% |
| 65 years and over | 43,854 | 10.9% |
| Households with one or more people under 18 years | 126,874 | 31.4% |
| Households with one or more people 65 years and over | 104,973 | 26.0% |
| Average household size | 2 | 0% |
| Average family size | 3 | 0% |
Relationship in St. Louis County
*Base on 2012 Data
| Population in households | 979,993 | 100% |
| Householder | 404,151 | 41.2% |
| Spouse | 191,514 | 19.5% |
| Child | 298,637 | 30.5% |
| Other relatives | 46,533 | 4.7% |
| Nonrelatives | 39,158 | 4.0% |
| Unmarried partner | 18,791 | 1.9% |
Marital Status in St. Louis County
*Base on 2012 Data
| Males 15 years and over | 376,736 | 100% |
| Never married | 126,041 | 33.5% |
| Now married, except separated | 201,666 | 53.5% |
| Separated | 5,517 | 1.5% |
| Widowed | 10,847 | 2.9% |
| Divorced | 32,665 | 8.7% |
| Females 15 years and over | 433,627 | 100% |
| Never married | 127,016 | 29.3% |
| Now married, except separated | 200,069 | 46.1% |
| Separated | 8,582 | 2.0% |
| Widowed | 44,090 | 10.2% |
| Divorced | 53,870 | 12.4% |
Fertility in St. Louis County
*Base on 2012 Data
| Number of women 15 to 50 years old who had a birth in the past 12 months | 12,630 | 100% |
| Unmarried women (widowed, divorced, and never married) | 4,626 | 36.6% |
| Per 1,000 unmarried women | 34 | 0% |
| Per 1,000 women 15 to 50 years old | 52 | 0% |
| Per 1,000 women 15 to 19 years old | 20 | 0% |
| Per 1,000 women 20 to 34 years old | 92 | 0% |
| Per 1,000 women 35 to 50 years old | 28 | 0% |
Grandparents in St. Louis County
*Base on 2012 Data
| Number of grandparents living with own grandchildren under 18 years | 16,972 | 100% |
| Responsible for grandchildren | 7,384 | 43.5% |
| Less than 1 year | 1,776 | 10.5% |
| 1 or 2 years | 1,997 | 11.8% |
| 3 or 4 years | 1,224 | 7.2% |
| 5 or more years | 2,387 | 14.1% |
| Number of grandparents responsible for own grandchildren under 18 years | 7,384 | 100% |
| Who are female | 5,048 | 68.4% |
| Who are married | 4,403 | 59.6% |
School Enrollment in St. Louis County
*Base on 2012 Data
| Population 3 years and over enrolled in school | 270,943 | 100% |
| Nursery school, preschool | 19,482 | 7.2% |
| Kindergarten | 12,205 | 4.5% |
| Elementary school (grades 1-8) | 104,937 | 38.7% |
| High school (grades 9-12) | 58,588 | 21.6% |
| College or graduate school | 75,731 | 28.0% |
Educational Attainment in St. Louis County
*Base on 2012 Data
| Population 25 years and over | 679,114 | 100% |
| Less than 9th grade | 17,833 | 2.6% |
| 9th to 12th grade, no diploma | 37,873 | 5.6% |
| High school graduate (includes equivalency) | 154,294 | 22.7% |
| Some college, no degree | 149,844 | 22.1% |
| Associate's degree | 48,758 | 7.2% |
| Bachelor's degree | 159,749 | 23.5% |
| Graduate or professional degree | 110,763 | 16.3% |
| Percent high school graduate or higher | 0 | 91.8% |
| Percent bachelor's degree or higher | 0 | 39.8% |
Veteran Status in St. Louis County
*Base on 2012 Data
| Civilian population 18 years and over | 765,410 | 100% |
| Civilian veterans | 73,381 | 9.6% |
Disability Status Of The Civilian Noninstitutionalized Population in St. Louis County
*Base on 2012 Data
| Total Civilian Noninstitutionalized Population | 986,648 | 100% |
| With a disability | 110,830 | 11.2% |
| Under 18 years | 232,114 | 100% |
| With a disability | 9,638 | 4.2% |
| 18 to 64 years | 611,625 | 100% |
| With a disability | 53,325 | 8.7% |
| 65 years and over | 142,909 | 100% |
| With a disability | 47,867 | 33.5% |
Residence 1 Year Ago in St. Louis County
*Base on 2012 Data
| Population 1 year and over | 987,384 | 100% |
| Same house | 849,027 | 86.0% |
| Different house in the U.S. | 133,987 | 13.6% |
| Same county | 81,047 | 8.2% |
| Different county | 52,940 | 5.4% |
| Same state | 30,996 | 3.1% |
| Different state | 21,944 | 2.2% |
| Abroad | 4,370 | 0.4% |
Place Of Birth in St. Louis County
*Base on 2012 Data
| Total population | 999,147 | 100% |
| Native | 932,266 | 93.3% |
| Born in United States | 926,689 | 92.7% |
| State of residence | 678,053 | 67.9% |
| Different state | 248,636 | 24.9% |
| Born in Puerto Rico, U.S. Island areas, or born abroad to American parent(s) | 5,577 | 0.6% |
| Foreign born | 66,881 | 6.7% |
U.S. Citizenship Status in St. Louis County
*Base on 2012 Data
| Foreign-born population | 66,881 | 100% |
| Naturalized U.S. citizen | 32,214 | 48.2% |
| Not a U.S. citizen | 34,667 | 51.8% |
Year of Entry in St. Louis County
*Base on 2012 Data
| Population born outside the United States | 72,458 | 100% |
| Native | 5,577 | 100% |
| Entered 2010 or later | 63 | 1.1% |
| Entered before 2010 | 5,514 | 98.9% |
| Foreign born | 66,881 | 100% |
| Entered 2010 or later | 3,083 | 4.6% |
| Entered before 2010 | 63,798 | 95.4% |
World Region Of Birth Of Foreign Born in St. Louis County
*Base on 2012 Data
| Foreign-born population, excluding population born at sea | 66,881 | 100% |
| Europe | 20,086 | 30.0% |
| Asia | 29,812 | 44.6% |
| Africa | 4,599 | 6.9% |
| Oceania | 483 | 0.7% |
| Latin America | 10,399 | 15.5% |
| Northern America | 1,502 | 2.2% |