Population by Age in Affton
*Base on 2010 Data
| Total population | 20,307 | 100.00% |
| Under 5 years | 1,134 | 5.58% |
| 5 to 9 years | 1,022 | 5.03% |
| 10 to 14 years | 1,096 | 5.40% |
| 15 to 19 years | 1,259 | 6.20% |
| 20 to 24 years | 1,235 | 6.08% |
| 25 to 29 years | 1,584 | 7.80% |
| 30 to 34 years | 1,365 | 6.72% |
| 35 to 39 years | 1,200 | 5.91% |
| 40 to 44 years | 1,291 | 6.36% |
| 45 to 49 years | 1,586 | 7.81% |
| 50 to 54 years | 1,779 | 8.76% |
| 55 to 59 years | 1,439 | 7.09% |
| 60 to 64 years | 1,051 | 5.18% |
| 65 to 69 years | 769 | 3.79% |
| 70 to 74 years | 715 | 3.52% |
| 75 to 79 years | 674 | 3.32% |
| 80 to 84 years | 597 | 2.94% |
| 85 years and over | 511 | 2.52% |
Male Population in Affton
*Base on 2010 Data
| Male population | 9,749 | 48.01% |
| Under 5 years | 626 | 3.08% |
| 5 to 9 years | 533 | 2.62% |
| 10 to 14 years | 572 | 2.82% |
| 15 to 19 years | 636 | 3.13% |
| 20 to 24 years | 609 | 3.00% |
| 25 to 29 years | 774 | 3.81% |
| 30 to 34 years | 691 | 3.40% |
| 35 to 39 years | 604 | 2.97% |
| 40 to 44 years | 639 | 3.15% |
| 45 to 49 years | 761 | 3.75% |
| 50 to 54 years | 857 | 4.22% |
| 55 to 59 years | 704 | 3.47% |
| 60 to 64 years | 466 | 2.29% |
| 65 to 69 years | 335 | 1.65% |
| 70 to 74 years | 286 | 1.41% |
| 75 to 79 years | 272 | 1.34% |
| 80 to 84 years | 220 | 1.08% |
| 85 years and over | 164 | 0.81% |
Female Population in Affton
*Base on 2010 Data
| Female population | 10,558 | 51.99% |
| Under 5 years | 508 | 2.50% |
| 5 to 9 years | 489 | 2.41% |
| 10 to 14 years | 524 | 2.58% |
| 15 to 19 years | 623 | 3.07% |
| 20 to 24 years | 626 | 3.08% |
| 25 to 29 years | 810 | 3.99% |
| 30 to 34 years | 674 | 3.32% |
| 35 to 39 years | 596 | 2.93% |
| 40 to 44 years | 652 | 3.21% |
| 45 to 49 years | 825 | 4.06% |
| 50 to 54 years | 922 | 4.54% |
| 55 to 59 years | 735 | 3.62% |
| 60 to 64 years | 585 | 2.88% |
| 65 to 69 years | 434 | 2.14% |
| 70 to 74 years | 429 | 2.11% |
| 75 to 79 years | 402 | 1.98% |
| 80 to 84 years | 377 | 1.86% |
| 85 years and over | 347 | 1.71% |
Median Age in Affton
*Base on 2010 Data
| Both | 41.00% | |
| Male | 38.60% | |
| Female | 43.30% |
Race in Affton
*Base on 2010 Data
| Total | 20,307 | 100.00% |
| Population of one race | 20,029 | 98.63% |
| White | 19,163 | 94.37% |
| Black or African American | 343 | 1.69% |
| American Indian and Alaska Native | 32 | 0.16% |
| Asian | 417 | 2.05% |
| Asian Indian | 70 | 0.34% |
| Chinese | 29 | 0.14% |
| Filipino | 46 | 0.23% |
| Japanese | 8 | 0.04% |
| Korean | 13 | 0.06% |
| Vietnamese | 201 | 0.99% |
| Other Asian | 50 | 0.25% |
| Native Hawaiian and Other Pacific Islander | 3 | 0.01% |
| Native Hawaiian | 0 | 0.00% |
| Guamanian or Chamorro | 0 | 0.00% |
| Samoan | 1 | 0.00% |
| Other Pacific Islander | 2 | 0.01% |
| Some Other Race | 71 | 0.35% |
| Population of Two or More Races | 278 | 1.37% |
| White; American Indian and Alaska Native | 60 | 0.30% |
| White; Asian | 81 | 0.40% |
| White; Black or African American | 79 | 0.39% |
| White; Some Other Race | 17 | 0.08% |
The Population 16 Years in Affton
*Base on 2010 Data
| Total | 16,780 | 100.00% |
| Male | 7,892 | 47.03% |
| Female | 8,888 | 52.97% |
The Population 18 Years in Affton
*Base on 2010 Data
| Total | 16,264 | 100.00% |
| Male | 7,627 | 46.89% |
| Female | 8,637 | 53.11% |
The Population 21 Years in Affton
*Base on 2010 Data
| Total | 15,576 | 100.00% |
| Male | 7,276 | 46.71% |
| Female | 8,300 | 53.29% |
The Population 62 Years in Affton
*Base on 2010 Data
| Total | 3,866 | 100.00% |
| Male | 1,531 | 39.60% |
| Female | 2,335 | 60.40% |
The Population 65 Years in Affton
*Base on 2010 Data
| Total | 3,266 | 100.00% |
| Male | 1,277 | 39.10% |
| Female | 1,989 | 60.90% |
Race (total races tallied) in Affton
*Base on 2010 Data
| White alone or in combination with one or more other races | 19,420 | 94.26% |
| Black or African American alone or in combination with one or more other races | 437 | 2.12% |
| American Indian and Alaska Native alone or in combination with one or more other races | 108 | 0.52% |
| Asian alone or in combination with one or more other races | 517 | 2.51% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 16 | 0.08% |
| Some Other Race alone or in combination with one or more other races | 105 | 0.51% |
Hispanic or Latino by Specific Origin in Affton
*Base on 2010 Data
| Total | 20,307 | 100.00% |
| Hispanic or Latino (of any race) | 419 | 2.06% |
| Mexican | 251 | 1.24% |
| Puerto Rican | 20 | 0.10% |
| Cuban | 12 | 0.06% |
| Other Hispanic or Latino | 136 | 0.67% |
| Not Hispanic or Latino | 19,888 | 97.94% |
Hispanic or Latino and Race in Affton
*Base on 2010 Data
| Total | 20,307 | 100.00% |
| Hispanic or Latino | 419 | 2.06% |
| White alone | 318 | 1.57% |
| Black or African American alone | 6 | 0.03% |
| American Indian and Alaska Native alone | 6 | 0.03% |
| Asian alone | 8 | 0.04% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 53 | 0.26% |
| Two or More Races | 28 | 0.14% |
| Not Hispanic or Latino | 19,888 | 97.94% |
| White alone | 18,845 | 92.80% |
| Black or African American alone | 337 | 1.66% |
| American Indian and Alaska Native alone | 26 | 0.13% |
| Asian alone | 409 | 2.01% |
| Native Hawaiian and Other Pacific Islander alone | 3 | 0.01% |
| Some Other Race alone | 18 | 0.09% |
| Two or More Races | 250 | 1.23% |
Relationship in Affton
*Base on 2010 Data
| Total | 20,307 | 100.00% |
| In households | 20,300 | 99.97% |
| Householder | 8,838 | 43.52% |
| Spouse | 4,087 | 20.13% |
| Child | 5,503 | 27.10% |
| Own child under 18 years | 3,710 | 18.27% |
| Other relatives | 904 | 4.45% |
| Under 18 years | 266 | 1.31% |
| 65 years and over | 159 | 0.78% |
| Nonrelatives | 968 | 4.77% |
| Under 18 years | 66 | 0.33% |
| 65 years and over | 46 | 0.23% |
| Unmarried partner | 560 | 2.76% |
| In group quarters | 7 | 0.03% |
| Institutionalized population | 0 | 0.00% |
| Male | 0 | 0.00% |
| Female | 0 | 0.00% |
| Noninstitutionalized population | 7 | 0.03% |
| Male | 3 | 0.01% |
| Female | 4 | 0.02% |
Households by Type in Affton
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 8,838 | 100.00% |
| Family households (families) | 5,419 | 61.31% |
| With own children under 18 years | 2,169 | 24.54% |
| Husband-wife family | 4,087 | 46.24% |
| With own children under 18 years | 1,583 | 17.91% |
| Male householder, no wife present | 384 | 4.34% |
| With own children under 18 years | 157 | 1.78% |
| Female householder, no husband present | 948 | 10.73% |
| With own children under 18 years | 429 | 4.85% |
| Nonfamily households | 3,419 | 38.69% |
| Householder living alone | 2,869 | 32.46% |
| Male | 1,120 | 12.67% |
| 65 years and over | 249 | 2.82% |
| Female | 1,749 | 19.79% |
| 65 years and over | 847 | 9.58% |
Households with individuals under 18 years in Affton
*Base on 2010 Data
| Total | 2,368 | 26.79% |
Households with individuals under 65 years in Affton
*Base on 2010 Data
| Total | 2,476 | 28.02% |
Average Household Size in Affton
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in Affton
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Affton
*Base on 2010 Data
| Total | 9,347 | 100.00% |
| Occupied housing units | 8,838 | 94.55% |
| Vacant housing units | 509 | 5.45% |
| For rent | 142 | 1.52% |
| Rented, not occupied | 5 | 0.05% |
| For sale only | 145 | 1.55% |
| Sold, not occupied | 35 | 0.37% |
| For seasonal, recreational, or occasional use | 12 | 0.13% |
| All other vacants | 170 | 1.82% |
Homeowner Vacancy Rate in Affton
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 2.00% |
Rental Vacancy Rate in Affton
*Base on 2010 Data
| Rental vacancy rate (percent) | 7.10% |
Housing Tenure(Occupied housing units) in Affton
*Base on 2010 Data
| Total | 8,838 | 100.00% |
| Owner-occupied housing units | 6,973 | 78.90% |
| Renter-occupied housing units | 1,865 | 21.10% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Affton
*Base on 2010 Data
| Owner-occupied housing units | 16,402 | 80.80% |
| Renter-occupied housing units | 3,898 | 19.20% |
Average Household Size of Occupied Housing Units by Tenure in Affton
*Base on 2010 Data
| Owner occupied | 2 | % |
| Renter occupied | 2 | % |