Population by Age in Alton City
*Base on 2010 Data
| Total population | 12,341 | 100.00% |
| Under 5 years | 1,335 | 10.82% |
| 5 to 9 years | 1,377 | 11.16% |
| 10 to 14 years | 1,229 | 9.96% |
| 15 to 19 years | 1,208 | 9.79% |
| 20 to 24 years | 958 | 7.76% |
| 25 to 29 years | 968 | 7.84% |
| 30 to 34 years | 906 | 7.34% |
| 35 to 39 years | 877 | 7.11% |
| 40 to 44 years | 745 | 6.04% |
| 45 to 49 years | 601 | 4.87% |
| 50 to 54 years | 583 | 4.72% |
| 55 to 59 years | 453 | 3.67% |
| 60 to 64 years | 368 | 2.98% |
| 65 to 69 years | 251 | 2.03% |
| 70 to 74 years | 204 | 1.65% |
| 75 to 79 years | 122 | 0.99% |
| 80 to 84 years | 95 | 0.77% |
| 85 years and over | 61 | 0.49% |
Male Population in Alton City
*Base on 2010 Data
| Male population | 6,052 | 49.04% |
| Under 5 years | 676 | 5.48% |
| 5 to 9 years | 717 | 5.81% |
| 10 to 14 years | 620 | 5.02% |
| 15 to 19 years | 617 | 5.00% |
| 20 to 24 years | 486 | 3.94% |
| 25 to 29 years | 459 | 3.72% |
| 30 to 34 years | 427 | 3.46% |
| 35 to 39 years | 427 | 3.46% |
| 40 to 44 years | 350 | 2.84% |
| 45 to 49 years | 267 | 2.16% |
| 50 to 54 years | 288 | 2.33% |
| 55 to 59 years | 210 | 1.70% |
| 60 to 64 years | 174 | 1.41% |
| 65 to 69 years | 119 | 0.96% |
| 70 to 74 years | 87 | 0.70% |
| 75 to 79 years | 62 | 0.50% |
| 80 to 84 years | 39 | 0.32% |
| 85 years and over | 27 | 0.22% |
Female Population in Alton City
*Base on 2010 Data
| Female population | 6,289 | 50.96% |
| Under 5 years | 659 | 5.34% |
| 5 to 9 years | 660 | 5.35% |
| 10 to 14 years | 609 | 4.93% |
| 15 to 19 years | 591 | 4.79% |
| 20 to 24 years | 472 | 3.82% |
| 25 to 29 years | 509 | 4.12% |
| 30 to 34 years | 479 | 3.88% |
| 35 to 39 years | 450 | 3.65% |
| 40 to 44 years | 395 | 3.20% |
| 45 to 49 years | 334 | 2.71% |
| 50 to 54 years | 295 | 2.39% |
| 55 to 59 years | 243 | 1.97% |
| 60 to 64 years | 194 | 1.57% |
| 65 to 69 years | 132 | 1.07% |
| 70 to 74 years | 117 | 0.95% |
| 75 to 79 years | 60 | 0.49% |
| 80 to 84 years | 56 | 0.45% |
| 85 years and over | 34 | 0.28% |
Median Age in Alton City
*Base on 2010 Data
| Both | 25.30% | |
| Male | 23.90% | |
| Female | 26.50% |
Race in Alton City
*Base on 2010 Data
| Total | 12,341 | 100.00% |
| Population of one race | 12,242 | 99.20% |
| White | 11,973 | 97.02% |
| Black or African American | 25 | 0.20% |
| American Indian and Alaska Native | 12 | 0.10% |
| Asian | 7 | 0.06% |
| Asian Indian | 3 | 0.02% |
| Chinese | 0 | 0.00% |
| Filipino | 4 | 0.03% |
| Japanese | 0 | 0.00% |
| Korean | 0 | 0.00% |
| Vietnamese | 0 | 0.00% |
| Other Asian | 0 | 0.00% |
| Native Hawaiian and Other Pacific Islander | 9 | 0.07% |
| Native Hawaiian | 0 | 0.00% |
| Guamanian or Chamorro | 8 | 0.06% |
| Samoan | 0 | 0.00% |
| Other Pacific Islander | 1 | 0.01% |
| Some Other Race | 216 | 1.75% |
| Population of Two or More Races | 99 | 0.80% |
| White; American Indian and Alaska Native | 3 | 0.02% |
| White; Asian | 1 | 0.01% |
| White; Black or African American | 1 | 0.01% |
| White; Some Other Race | 89 | 0.72% |
The Population 16 Years in Alton City
*Base on 2010 Data
| Total | 8,168 | 100.00% |
| Male | 3,913 | 47.91% |
| Female | 4,255 | 52.09% |
The Population 18 Years in Alton City
*Base on 2010 Data
| Total | 7,680 | 100.00% |
| Male | 3,676 | 47.86% |
| Female | 4,004 | 52.14% |
The Population 21 Years in Alton City
*Base on 2010 Data
| Total | 6,969 | 100.00% |
| Male | 3,300 | 47.35% |
| Female | 3,669 | 52.65% |
The Population 62 Years in Alton City
*Base on 2010 Data
| Total | 919 | 100.00% |
| Male | 420 | 45.70% |
| Female | 499 | 54.30% |
The Population 65 Years in Alton City
*Base on 2010 Data
| Total | 733 | 100.00% |
| Male | 334 | 45.57% |
| Female | 399 | 54.43% |
Race (total races tallied) in Alton City
*Base on 2010 Data
| White alone or in combination with one or more other races | 12,067 | 97.00% |
| Black or African American alone or in combination with one or more other races | 27 | 0.22% |
| American Indian and Alaska Native alone or in combination with one or more other races | 19 | 0.15% |
| Asian alone or in combination with one or more other races | 8 | 0.06% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 9 | 0.07% |
| Some Other Race alone or in combination with one or more other races | 310 | 2.49% |
Hispanic or Latino by Specific Origin in Alton City
*Base on 2010 Data
| Total | 12,341 | 100.00% |
| Hispanic or Latino (of any race) | 11,554 | 93.62% |
| Mexican | 11,325 | 91.77% |
| Puerto Rican | 10 | 0.08% |
| Cuban | 6 | 0.05% |
| Other Hispanic or Latino | 213 | 1.73% |
| Not Hispanic or Latino | 787 | 6.38% |
Hispanic or Latino and Race in Alton City
*Base on 2010 Data
| Total | 12,341 | 100.00% |
| Hispanic or Latino | 11,554 | 93.62% |
| White alone | 11,217 | 90.89% |
| Black or African American alone | 6 | 0.05% |
| American Indian and Alaska Native alone | 6 | 0.05% |
| Asian alone | 3 | 0.02% |
| Native Hawaiian and Other Pacific Islander alone | 9 | 0.07% |
| Some Other Race alone | 215 | 1.74% |
| Two or More Races | 98 | 0.79% |
| Not Hispanic or Latino | 787 | 6.38% |
| White alone | 756 | 6.13% |
| Black or African American alone | 19 | 0.15% |
| American Indian and Alaska Native alone | 6 | 0.05% |
| Asian alone | 4 | 0.03% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 1 | 0.01% |
| Two or More Races | 1 | 0.01% |
Relationship in Alton City
*Base on 2010 Data
| Total | 12,341 | 100.00% |
| In households | 12,341 | 100.00% |
| Householder | 3,090 | 25.04% |
| Spouse | 1,973 | 15.99% |
| Child | 5,272 | 42.72% |
| Own child under 18 years | 3,775 | 30.59% |
| Other relatives | 1,691 | 13.70% |
| Under 18 years | 828 | 6.71% |
| 65 years and over | 135 | 1.09% |
| Nonrelatives | 315 | 2.55% |
| Under 18 years | 49 | 0.40% |
| 65 years and over | 6 | 0.05% |
| Unmarried partner | 123 | 1.00% |
| In group quarters | 0 | 0.00% |
| Institutionalized population | 0 | 0.00% |
| Male | 0 | 0.00% |
| Female | 0 | 0.00% |
| Noninstitutionalized population | 0 | 0.00% |
| Male | 0 | 0.00% |
| Female | 0 | 0.00% |
Households by Type in Alton City
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 3,090 | 100.00% |
| Family households (families) | 2,801 | 90.65% |
| With own children under 18 years | 1,746 | 56.50% |
| Husband-wife family | 1,973 | 63.85% |
| With own children under 18 years | 1,240 | 40.13% |
| Male householder, no wife present | 191 | 6.18% |
| With own children under 18 years | 81 | 2.62% |
| Female householder, no husband present | 637 | 20.61% |
| With own children under 18 years | 425 | 13.75% |
| Nonfamily households | 289 | 9.35% |
| Householder living alone | 243 | 7.86% |
| Male | 118 | 3.82% |
| 65 years and over | 42 | 1.36% |
| Female | 125 | 4.05% |
| 65 years and over | 61 | 1.97% |
Households with individuals under 18 years in Alton City
*Base on 2010 Data
| Total | 2,019 | 65.34% |
Households with individuals under 65 years in Alton City
*Base on 2010 Data
| Total | 549 | 17.77% |
Average Household Size in Alton City
*Base on 2010 Data
| Average household size | 4 | % |
Average Family Size in Alton City
*Base on 2010 Data
| Average family size | 4 | % |
Housing Occupancy(Total housing units) in Alton City
*Base on 2010 Data
| Total | 3,317 | 100.00% |
| Occupied housing units | 3,090 | 93.16% |
| Vacant housing units | 227 | 6.84% |
| For rent | 52 | 1.57% |
| Rented, not occupied | 11 | 0.33% |
| For sale only | 60 | 1.81% |
| Sold, not occupied | 4 | 0.12% |
| For seasonal, recreational, or occasional use | 26 | 0.78% |
| All other vacants | 74 | 2.23% |
Homeowner Vacancy Rate in Alton City
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 2.70% |
Rental Vacancy Rate in Alton City
*Base on 2010 Data
| Rental vacancy rate (percent) | 5.20% |
Housing Tenure(Occupied housing units) in Alton City
*Base on 2010 Data
| Total | 3,090 | 100.00% |
| Owner-occupied housing units | 2,148 | 69.51% |
| Renter-occupied housing units | 942 | 30.49% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Alton City
*Base on 2010 Data
| Owner-occupied housing units | 8,690 | 70.42% |
| Renter-occupied housing units | 3,651 | 29.58% |
Average Household Size of Occupied Housing Units by Tenure in Alton City
*Base on 2010 Data
| Owner occupied | 4 | % |
| Renter occupied | 4 | % |