Population by Age in Alton City
*Base on 2010 Data
| Total population | 27,865 | 100.00% |
| Under 5 years | 2,027 | 7.27% |
| 5 to 9 years | 1,897 | 6.81% |
| 10 to 14 years | 1,708 | 6.13% |
| 15 to 19 years | 1,797 | 6.45% |
| 20 to 24 years | 2,014 | 7.23% |
| 25 to 29 years | 2,282 | 8.19% |
| 30 to 34 years | 1,872 | 6.72% |
| 35 to 39 years | 1,676 | 6.01% |
| 40 to 44 years | 1,600 | 5.74% |
| 45 to 49 years | 1,957 | 7.02% |
| 50 to 54 years | 2,014 | 7.23% |
| 55 to 59 years | 1,741 | 6.25% |
| 60 to 64 years | 1,405 | 5.04% |
| 65 to 69 years | 1,067 | 3.83% |
| 70 to 74 years | 823 | 2.95% |
| 75 to 79 years | 758 | 2.72% |
| 80 to 84 years | 600 | 2.15% |
| 85 years and over | 627 | 2.25% |
Male Population in Alton City
*Base on 2010 Data
| Male population | 13,325 | 47.82% |
| Under 5 years | 1,067 | 3.83% |
| 5 to 9 years | 998 | 3.58% |
| 10 to 14 years | 877 | 3.15% |
| 15 to 19 years | 913 | 3.28% |
| 20 to 24 years | 922 | 3.31% |
| 25 to 29 years | 1,088 | 3.90% |
| 30 to 34 years | 908 | 3.26% |
| 35 to 39 years | 809 | 2.90% |
| 40 to 44 years | 838 | 3.01% |
| 45 to 49 years | 938 | 3.37% |
| 50 to 54 years | 997 | 3.58% |
| 55 to 59 years | 825 | 2.96% |
| 60 to 64 years | 640 | 2.30% |
| 65 to 69 years | 465 | 1.67% |
| 70 to 74 years | 340 | 1.22% |
| 75 to 79 years | 308 | 1.11% |
| 80 to 84 years | 217 | 0.78% |
| 85 years and over | 175 | 0.63% |
Female Population in Alton City
*Base on 2010 Data
| Female population | 14,540 | 52.18% |
| Under 5 years | 960 | 3.45% |
| 5 to 9 years | 899 | 3.23% |
| 10 to 14 years | 831 | 2.98% |
| 15 to 19 years | 884 | 3.17% |
| 20 to 24 years | 1,092 | 3.92% |
| 25 to 29 years | 1,194 | 4.28% |
| 30 to 34 years | 964 | 3.46% |
| 35 to 39 years | 867 | 3.11% |
| 40 to 44 years | 762 | 2.73% |
| 45 to 49 years | 1,019 | 3.66% |
| 50 to 54 years | 1,017 | 3.65% |
| 55 to 59 years | 916 | 3.29% |
| 60 to 64 years | 765 | 2.75% |
| 65 to 69 years | 602 | 2.16% |
| 70 to 74 years | 483 | 1.73% |
| 75 to 79 years | 450 | 1.61% |
| 80 to 84 years | 383 | 1.37% |
| 85 years and over | 452 | 1.62% |
Median Age in Alton City
*Base on 2010 Data
| Both | 36.00% | |
| Male | 34.40% | |
| Female | 37.60% |
Race in Alton City
*Base on 2010 Data
| Total | 27,865 | 100.00% |
| Population of one race | 26,845 | 96.34% |
| White | 19,082 | 68.48% |
| Black or African American | 7,421 | 26.63% |
| American Indian and Alaska Native | 63 | 0.23% |
| Asian | 140 | 0.50% |
| Asian Indian | 30 | 0.11% |
| Chinese | 25 | 0.09% |
| Filipino | 24 | 0.09% |
| Japanese | 10 | 0.04% |
| Korean | 21 | 0.08% |
| Vietnamese | 20 | 0.07% |
| Other Asian | 10 | 0.04% |
| Native Hawaiian and Other Pacific Islander | 5 | 0.02% |
| Native Hawaiian | 3 | 0.01% |
| Guamanian or Chamorro | 1 | 0.00% |
| Samoan | 0 | 0.00% |
| Other Pacific Islander | 1 | 0.00% |
| Some Other Race | 134 | 0.48% |
| Population of Two or More Races | 1,020 | 3.66% |
| White; American Indian and Alaska Native | 125 | 0.45% |
| White; Asian | 63 | 0.23% |
| White; Black or African American | 624 | 2.24% |
| White; Some Other Race | 46 | 0.17% |
The Population 16 Years in Alton City
*Base on 2010 Data
| Total | 21,873 | 100.00% |
| Male | 10,198 | 46.62% |
| Female | 11,675 | 53.38% |
The Population 18 Years in Alton City
*Base on 2010 Data
| Total | 21,158 | 100.00% |
| Male | 9,847 | 46.54% |
| Female | 11,311 | 53.46% |
The Population 21 Years in Alton City
*Base on 2010 Data
| Total | 20,061 | 100.00% |
| Male | 9,305 | 46.38% |
| Female | 10,756 | 53.62% |
The Population 62 Years in Alton City
*Base on 2010 Data
| Total | 4,695 | 100.00% |
| Male | 1,878 | 40.00% |
| Female | 2,817 | 60.00% |
The Population 65 Years in Alton City
*Base on 2010 Data
| Total | 3,875 | 100.00% |
| Male | 1,505 | 38.84% |
| Female | 2,370 | 61.16% |
Race (total races tallied) in Alton City
*Base on 2010 Data
| White alone or in combination with one or more other races | 20,012 | 69.10% |
| Black or African American alone or in combination with one or more other races | 8,187 | 28.27% |
| American Indian and Alaska Native alone or in combination with one or more other races | 297 | 1.03% |
| Asian alone or in combination with one or more other races | 236 | 0.81% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 26 | 0.09% |
| Some Other Race alone or in combination with one or more other races | 203 | 0.70% |
Hispanic or Latino by Specific Origin in Alton City
*Base on 2010 Data
| Total | 27,865 | 100.00% |
| Hispanic or Latino (of any race) | 536 | 1.92% |
| Mexican | 360 | 1.29% |
| Puerto Rican | 42 | 0.15% |
| Cuban | 18 | 0.06% |
| Other Hispanic or Latino | 116 | 0.42% |
| Not Hispanic or Latino | 27,329 | 98.08% |
Hispanic or Latino and Race in Alton City
*Base on 2010 Data
| Total | 27,865 | 100.00% |
| Hispanic or Latino | 536 | 1.92% |
| White alone | 297 | 1.07% |
| Black or African American alone | 46 | 0.17% |
| American Indian and Alaska Native alone | 10 | 0.04% |
| Asian alone | 2 | 0.01% |
| Native Hawaiian and Other Pacific Islander alone | 2 | 0.01% |
| Some Other Race alone | 108 | 0.39% |
| Two or More Races | 71 | 0.25% |
| Not Hispanic or Latino | 27,329 | 98.08% |
| White alone | 18,785 | 67.41% |
| Black or African American alone | 7,375 | 26.47% |
| American Indian and Alaska Native alone | 53 | 0.19% |
| Asian alone | 138 | 0.50% |
| Native Hawaiian and Other Pacific Islander alone | 3 | 0.01% |
| Some Other Race alone | 26 | 0.09% |
| Two or More Races | 949 | 3.41% |
Relationship in Alton City
*Base on 2010 Data
| Total | 27,865 | 100.00% |
| In households | 27,347 | 98.14% |
| Householder | 11,734 | 42.11% |
| Spouse | 3,951 | 14.18% |
| Child | 7,892 | 28.32% |
| Own child under 18 years | 5,630 | 20.20% |
| Other relatives | 1,854 | 6.65% |
| Under 18 years | 874 | 3.14% |
| 65 years and over | 161 | 0.58% |
| Nonrelatives | 1,916 | 6.88% |
| Under 18 years | 176 | 0.63% |
| 65 years and over | 57 | 0.20% |
| Unmarried partner | 1,059 | 3.80% |
| In group quarters | 518 | 1.86% |
| Institutionalized population | 356 | 1.28% |
| Male | 196 | 0.70% |
| Female | 160 | 0.57% |
| Noninstitutionalized population | 162 | 0.58% |
| Male | 67 | 0.24% |
| Female | 95 | 0.34% |
Households by Type in Alton City
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 11,734 | 100.00% |
| Family households (families) | 6,854 | 58.41% |
| With own children under 18 years | 3,013 | 25.68% |
| Husband-wife family | 3,951 | 33.67% |
| With own children under 18 years | 1,392 | 11.86% |
| Male householder, no wife present | 652 | 5.56% |
| With own children under 18 years | 316 | 2.69% |
| Female householder, no husband present | 2,251 | 19.18% |
| With own children under 18 years | 1,305 | 11.12% |
| Nonfamily households | 4,880 | 41.59% |
| Householder living alone | 4,037 | 34.40% |
| Male | 1,855 | 15.81% |
| 65 years and over | 391 | 3.33% |
| Female | 2,182 | 18.60% |
| 65 years and over | 1,006 | 8.57% |
Households with individuals under 18 years in Alton City
*Base on 2010 Data
| Total | 3,537 | 30.14% |
Households with individuals under 65 years in Alton City
*Base on 2010 Data
| Total | 2,866 | 24.42% |
Average Household Size in Alton City
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in Alton City
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Alton City
*Base on 2010 Data
| Total | 13,266 | 100.00% |
| Occupied housing units | 11,734 | 88.45% |
| Vacant housing units | 1,532 | 11.55% |
| For rent | 497 | 3.75% |
| Rented, not occupied | 17 | 0.13% |
| For sale only | 315 | 2.37% |
| Sold, not occupied | 75 | 0.57% |
| For seasonal, recreational, or occasional use | 34 | 0.26% |
| All other vacants | 594 | 4.48% |
Homeowner Vacancy Rate in Alton City
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 4.20% |
Rental Vacancy Rate in Alton City
*Base on 2010 Data
| Rental vacancy rate (percent) | 9.50% |
Housing Tenure(Occupied housing units) in Alton City
*Base on 2010 Data
| Total | 11,734 | 100.00% |
| Owner-occupied housing units | 7,033 | 59.94% |
| Renter-occupied housing units | 4,701 | 40.06% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Alton City
*Base on 2010 Data
| Owner-occupied housing units | 16,742 | 61.22% |
| Renter-occupied housing units | 10,605 | 38.78% |
Average Household Size of Occupied Housing Units by Tenure in Alton City
*Base on 2010 Data
| Owner occupied | 2 | % |
| Renter occupied | 2 | % |