Language Spoken At Home in Affton
*Base on 2012 Data
| Population 5 years and over | 18,407 | 100% |
| English only | 15,806 | 85.9% |
| Language other than English | 2,601 | 14.1% |
| Speak English less than very well | 1,288 | 7.0% |
| Spanish | 380 | 2.1% |
| Speak English less than very well | 152 | 0.8% |
| Other Indo-European languages | 1,962 | 10.7% |
| Speak English less than very well | 964 | 5.2% |
| Asian and Pacific Islander languages | 200 | 1.1% |
| Speak English less than very well | 113 | 0.6% |
| Other languages | 59 | 0.3% |
| Speak English less than very well | 59 | 0.3% |
Ancestry in Affton
*Base on 2012 Data
| Total population | 19,945 | 100% |
| American | 1,525 | 7.6% |
| Arab | 114 | 0.6% |
| Czech | 403 | 2.0% |
| Danish | 37 | 0.2% |
| Dutch | 291 | 1.5% |
| English | 1,543 | 7.7% |
| French (except Basque) | 963 | 4.8% |
| French Canadian | 0 | 0.0% |
| German | 7,996 | 40.1% |
| Greek | 98 | 0.5% |
| Hungarian | 102 | 0.5% |
| Irish | 3,508 | 17.6% |
| Italian | 1,616 | 8.1% |
| Lithuanian | 9 | 0.0% |
| Norwegian | 193 | 1.0% |
| Polish | 614 | 3.1% |
| Portuguese | 0 | 0.0% |
| Russian | 53 | 0.3% |
| Scotch-Irish | 268 | 1.3% |
| Scottish | 337 | 1.7% |
| Slovak | 59 | 0.3% |
| Subsaharan African | 10 | 0.1% |
| Swedish | 139 | 0.7% |
| Swiss | 39 | 0.2% |
| Ukrainian | 29 | 0.1% |
| Welsh | 154 | 0.8% |
| West Indian (excluding Hispanic origin groups) | 0 | 0.0% |
Households By Type in Affton
*Base on 2012 Data
| Total households | 8,756 | 100% |
| Family households (families) | 5,411 | 61.8% |
| With own children under 18 years | 2,251 | 25.7% |
| Married-couple family | 4,161 | 47.5% |
| With own children under 18 years | 1,624 | 18.5% |
| Male householder, no wife present, family | 409 | 4.7% |
| With own children under 18 years | 208 | 2.4% |
| Female householder, no husband present, family | 841 | 9.6% |
| With own children under 18 years | 419 | 4.8% |
| Nonfamily households | 3,345 | 38.2% |
| Householder living alone | 3,019 | 34.5% |
| 65 years and over | 911 | 10.4% |
| Households with one or more people under 18 years | 2,308 | 26.4% |
| Households with one or more people 65 years and over | 2,118 | 24.2% |
| Average household size | 2 | 0% |
| Average family size | 3 | 0% |
Relationship in Affton
*Base on 2012 Data
| Population in households | 19,923 | 100% |
| Householder | 8,756 | 43.9% |
| Spouse | 4,157 | 20.9% |
| Child | 5,810 | 29.2% |
| Other relatives | 620 | 3.1% |
| Nonrelatives | 580 | 2.9% |
| Unmarried partner | 358 | 1.8% |
Marital Status in Affton
*Base on 2012 Data
| Males 15 years and over | 8,063 | 100% |
| Never married | 2,571 | 31.9% |
| Now married, except separated | 4,375 | 54.3% |
| Separated | 67 | 0.8% |
| Widowed | 194 | 2.4% |
| Divorced | 856 | 10.6% |
| Females 15 years and over | 8,511 | 100% |
| Never married | 2,259 | 26.5% |
| Now married, except separated | 4,328 | 50.9% |
| Separated | 142 | 1.7% |
| Widowed | 724 | 8.5% |
| Divorced | 1,058 | 12.4% |
Fertility in Affton
*Base on 2012 Data
| Number of women 15 to 50 years old who had a birth in the past 12 months | 343 | 100% |
| Unmarried women (widowed, divorced, and never married) | 66 | 19.2% |
| Per 1,000 unmarried women | 28 | 0% |
| Per 1,000 women 15 to 50 years old | 73 | 0% |
| Per 1,000 women 15 to 19 years old | 0 | 0% |
| Per 1,000 women 20 to 34 years old | 109 | 0% |
| Per 1,000 women 35 to 50 years old | 50 | 0% |
Grandparents in Affton
*Base on 2012 Data
| Number of grandparents living with own grandchildren under 18 years | 172 | 100% |
| Responsible for grandchildren | 15 | 8.7% |
| Less than 1 year | 0 | 0.0% |
| 1 or 2 years | 0 | 0.0% |
| 3 or 4 years | 15 | 8.7% |
| 5 or more years | 0 | 0.0% |
| Number of grandparents responsible for own grandchildren under 18 years | 15 | 100% |
| Who are female | 15 | 100.0% |
| Who are married | 15 | 100.0% |
School Enrollment in Affton
*Base on 2012 Data
| Population 3 years and over enrolled in school | 4,496 | 100% |
| Nursery school, preschool | 350 | 7.8% |
| Kindergarten | 129 | 2.9% |
| Elementary school (grades 1-8) | 1,512 | 33.6% |
| High school (grades 9-12) | 1,039 | 23.1% |
| College or graduate school | 1,466 | 32.6% |
Educational Attainment in Affton
*Base on 2012 Data
| Population 25 years and over | 13,944 | 100% |
| Less than 9th grade | 380 | 2.7% |
| 9th to 12th grade, no diploma | 930 | 6.7% |
| High school graduate (includes equivalency) | 4,057 | 29.1% |
| Some college, no degree | 3,139 | 22.5% |
| Associate's degree | 1,195 | 8.6% |
| Bachelor's degree | 2,889 | 20.7% |
| Graduate or professional degree | 1,354 | 9.7% |
| Percent high school graduate or higher | 0 | 90.6% |
| Percent bachelor's degree or higher | 0 | 30.4% |
Veteran Status in Affton
*Base on 2012 Data
| Civilian population 18 years and over | 15,763 | 100% |
| Civilian veterans | 1,586 | 10.1% |
Disability Status Of The Civilian Noninstitutionalized Population in Affton
*Base on 2012 Data
| Total Civilian Noninstitutionalized Population | 19,914 | 100% |
| With a disability | 2,287 | 11.5% |
| Under 18 years | 4,151 | 100% |
| With a disability | 142 | 3.4% |
| 18 to 64 years | 12,756 | 100% |
| With a disability | 976 | 7.7% |
| 65 years and over | 3,007 | 100% |
| With a disability | 1,169 | 38.9% |
Residence 1 Year Ago in Affton
*Base on 2012 Data
| Population 1 year and over | 19,569 | 100% |
| Same house | 17,653 | 90.2% |
| Different house in the U.S. | 1,901 | 9.7% |
| Same county | 1,089 | 5.6% |
| Different county | 812 | 4.1% |
| Same state | 461 | 2.4% |
| Different state | 351 | 1.8% |
| Abroad | 15 | 0.1% |
Place Of Birth in Affton
*Base on 2012 Data
| Total population | 19,945 | 100% |
| Native | 17,624 | 88.4% |
| Born in United States | 17,423 | 87.4% |
| State of residence | 14,507 | 72.7% |
| Different state | 2,916 | 14.6% |
| Born in Puerto Rico, U.S. Island areas, or born abroad to American parent(s) | 201 | 1.0% |
| Foreign born | 2,321 | 11.6% |
U.S. Citizenship Status in Affton
*Base on 2012 Data
| Foreign-born population | 2,321 | 100% |
| Naturalized U.S. citizen | 989 | 42.6% |
| Not a U.S. citizen | 1,332 | 57.4% |
Year of Entry in Affton
*Base on 2012 Data
| Population born outside the United States | 2,522 | 100% |
| Native | 201 | 100% |
| Entered 2010 or later | 0 | 0.0% |
| Entered before 2010 | 201 | 100.0% |
| Foreign born | 2,321 | 100% |
| Entered 2010 or later | 0 | 0.0% |
| Entered before 2010 | 2,321 | 100.0% |
World Region Of Birth Of Foreign Born in Affton
*Base on 2012 Data
| Foreign-born population, excluding population born at sea | 2,321 | 100% |
| Europe | 1,675 | 72.2% |
| Asia | 371 | 16.0% |
| Africa | 0 | 0.0% |
| Oceania | 0 | 0.0% |
| Latin America | 275 | 11.8% |
| Northern America | 0 | 0.0% |