Population by Age in Rock Island City
*Base on 2010 Data
| Total population | 39,018 | 100.00% |
| Under 5 years | 2,613 | 6.70% |
| 5 to 9 years | 2,362 | 6.05% |
| 10 to 14 years | 2,360 | 6.05% |
| 15 to 19 years | 2,936 | 7.52% |
| 20 to 24 years | 3,417 | 8.76% |
| 25 to 29 years | 2,506 | 6.42% |
| 30 to 34 years | 2,455 | 6.29% |
| 35 to 39 years | 2,142 | 5.49% |
| 40 to 44 years | 2,149 | 5.51% |
| 45 to 49 years | 2,490 | 6.38% |
| 50 to 54 years | 2,773 | 7.11% |
| 55 to 59 years | 2,635 | 6.75% |
| 60 to 64 years | 2,147 | 5.50% |
| 65 to 69 years | 1,566 | 4.01% |
| 70 to 74 years | 1,261 | 3.23% |
| 75 to 79 years | 1,099 | 2.82% |
| 80 to 84 years | 975 | 2.50% |
| 85 years and over | 1,132 | 2.90% |
Male Population in Rock Island City
*Base on 2010 Data
| Male population | 18,717 | 47.97% |
| Under 5 years | 1,325 | 3.40% |
| 5 to 9 years | 1,207 | 3.09% |
| 10 to 14 years | 1,185 | 3.04% |
| 15 to 19 years | 1,396 | 3.58% |
| 20 to 24 years | 1,625 | 4.16% |
| 25 to 29 years | 1,271 | 3.26% |
| 30 to 34 years | 1,214 | 3.11% |
| 35 to 39 years | 1,072 | 2.75% |
| 40 to 44 years | 1,105 | 2.83% |
| 45 to 49 years | 1,239 | 3.18% |
| 50 to 54 years | 1,315 | 3.37% |
| 55 to 59 years | 1,280 | 3.28% |
| 60 to 64 years | 1,040 | 2.67% |
| 65 to 69 years | 716 | 1.84% |
| 70 to 74 years | 586 | 1.50% |
| 75 to 79 years | 444 | 1.14% |
| 80 to 84 years | 366 | 0.94% |
| 85 years and over | 331 | 0.85% |
Female Population in Rock Island City
*Base on 2010 Data
| Female population | 20,301 | 52.03% |
| Under 5 years | 1,288 | 3.30% |
| 5 to 9 years | 1,155 | 2.96% |
| 10 to 14 years | 1,175 | 3.01% |
| 15 to 19 years | 1,540 | 3.95% |
| 20 to 24 years | 1,792 | 4.59% |
| 25 to 29 years | 1,235 | 3.17% |
| 30 to 34 years | 1,241 | 3.18% |
| 35 to 39 years | 1,070 | 2.74% |
| 40 to 44 years | 1,044 | 2.68% |
| 45 to 49 years | 1,251 | 3.21% |
| 50 to 54 years | 1,458 | 3.74% |
| 55 to 59 years | 1,355 | 3.47% |
| 60 to 64 years | 1,107 | 2.84% |
| 65 to 69 years | 850 | 2.18% |
| 70 to 74 years | 675 | 1.73% |
| 75 to 79 years | 655 | 1.68% |
| 80 to 84 years | 609 | 1.56% |
| 85 years and over | 801 | 2.05% |
Median Age in Rock Island City
*Base on 2010 Data
| Both | 37.00% | |
| Male | 35.60% | |
| Female | 38.50% |
Race in Rock Island City
*Base on 2010 Data
| Total | 39,018 | 100.00% |
| Population of one race | 37,568 | 96.28% |
| White | 28,224 | 72.34% |
| Black or African American | 7,122 | 18.25% |
| American Indian and Alaska Native | 104 | 0.27% |
| Asian | 687 | 1.76% |
| Asian Indian | 106 | 0.27% |
| Chinese | 42 | 0.11% |
| Filipino | 48 | 0.12% |
| Japanese | 17 | 0.04% |
| Korean | 34 | 0.09% |
| Vietnamese | 49 | 0.13% |
| Other Asian | 391 | 1.00% |
| Native Hawaiian and Other Pacific Islander | 8 | 0.02% |
| Native Hawaiian | 0 | 0.00% |
| Guamanian or Chamorro | 2 | 0.01% |
| Samoan | 2 | 0.01% |
| Other Pacific Islander | 4 | 0.01% |
| Some Other Race | 1,423 | 3.65% |
| Population of Two or More Races | 1,450 | 3.72% |
| White; American Indian and Alaska Native | 150 | 0.38% |
| White; Asian | 125 | 0.32% |
| White; Black or African American | 708 | 1.81% |
| White; Some Other Race | 186 | 0.48% |
The Population 16 Years in Rock Island City
*Base on 2010 Data
| Total | 31,226 | 100.00% |
| Male | 14,759 | 47.27% |
| Female | 16,467 | 52.73% |
The Population 18 Years in Rock Island City
*Base on 2010 Data
| Total | 30,293 | 100.00% |
| Male | 14,319 | 47.27% |
| Female | 15,974 | 52.73% |
The Population 21 Years in Rock Island City
*Base on 2010 Data
| Total | 27,835 | 100.00% |
| Male | 13,174 | 47.33% |
| Female | 14,661 | 52.67% |
The Population 62 Years in Rock Island City
*Base on 2010 Data
| Total | 7,236 | 100.00% |
| Male | 3,031 | 41.89% |
| Female | 4,205 | 58.11% |
The Population 65 Years in Rock Island City
*Base on 2010 Data
| Total | 6,033 | 100.00% |
| Male | 2,443 | 40.49% |
| Female | 3,590 | 59.51% |
Race (total races tallied) in Rock Island City
*Base on 2010 Data
| White alone or in combination with one or more other races | 29,505 | 72.71% |
| Black or African American alone or in combination with one or more other races | 8,039 | 19.81% |
| American Indian and Alaska Native alone or in combination with one or more other races | 434 | 1.07% |
| Asian alone or in combination with one or more other races | 881 | 2.17% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 30 | 0.07% |
| Some Other Race alone or in combination with one or more other races | 1,689 | 4.16% |
Hispanic or Latino by Specific Origin in Rock Island City
*Base on 2010 Data
| Total | 39,018 | 100.00% |
| Hispanic or Latino (of any race) | 3,664 | 9.39% |
| Mexican | 3,303 | 8.47% |
| Puerto Rican | 100 | 0.26% |
| Cuban | 34 | 0.09% |
| Other Hispanic or Latino | 227 | 0.58% |
| Not Hispanic or Latino | 35,354 | 90.61% |
Hispanic or Latino and Race in Rock Island City
*Base on 2010 Data
| Total | 39,018 | 100.00% |
| Hispanic or Latino | 3,664 | 9.39% |
| White alone | 1,760 | 4.51% |
| Black or African American alone | 135 | 0.35% |
| American Indian and Alaska Native alone | 20 | 0.05% |
| Asian alone | 7 | 0.02% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 1,357 | 3.48% |
| Two or More Races | 385 | 0.99% |
| Not Hispanic or Latino | 35,354 | 90.61% |
| White alone | 26,464 | 67.83% |
| Black or African American alone | 6,987 | 17.91% |
| American Indian and Alaska Native alone | 84 | 0.22% |
| Asian alone | 680 | 1.74% |
| Native Hawaiian and Other Pacific Islander alone | 8 | 0.02% |
| Some Other Race alone | 66 | 0.17% |
| Two or More Races | 1,065 | 2.73% |
Relationship in Rock Island City
*Base on 2010 Data
| Total | 39,018 | 100.00% |
| In households | 36,577 | 93.74% |
| Householder | 15,930 | 40.83% |
| Spouse | 6,056 | 15.52% |
| Child | 10,084 | 25.84% |
| Own child under 18 years | 7,571 | 19.40% |
| Other relatives | 2,025 | 5.19% |
| Under 18 years | 963 | 2.47% |
| 65 years and over | 159 | 0.41% |
| Nonrelatives | 2,482 | 6.36% |
| Under 18 years | 158 | 0.40% |
| 65 years and over | 134 | 0.34% |
| Unmarried partner | 1,173 | 3.01% |
| In group quarters | 2,441 | 6.26% |
| Institutionalized population | 685 | 1.76% |
| Male | 354 | 0.91% |
| Female | 331 | 0.85% |
| Noninstitutionalized population | 1,756 | 4.50% |
| Male | 791 | 2.03% |
| Female | 965 | 2.47% |
Households by Type in Rock Island City
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 15,930 | 100.00% |
| Family households (families) | 9,211 | 57.82% |
| With own children under 18 years | 3,950 | 24.80% |
| Husband-wife family | 6,056 | 38.02% |
| With own children under 18 years | 2,107 | 13.23% |
| Male householder, no wife present | 725 | 4.55% |
| With own children under 18 years | 368 | 2.31% |
| Female householder, no husband present | 2,430 | 15.25% |
| With own children under 18 years | 1,475 | 9.26% |
| Nonfamily households | 6,719 | 42.18% |
| Householder living alone | 5,592 | 35.10% |
| Male | 2,540 | 15.94% |
| 65 years and over | 571 | 3.58% |
| Female | 3,052 | 19.16% |
| 65 years and over | 1,509 | 9.47% |
Households with individuals under 18 years in Rock Island City
*Base on 2010 Data
| Total | 4,478 | 28.11% |
Households with individuals under 65 years in Rock Island City
*Base on 2010 Data
| Total | 4,325 | 27.15% |
Average Household Size in Rock Island City
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in Rock Island City
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Rock Island City
*Base on 2010 Data
| Total | 17,422 | 100.00% |
| Occupied housing units | 15,930 | 91.44% |
| Vacant housing units | 1,492 | 8.56% |
| For rent | 555 | 3.19% |
| Rented, not occupied | 18 | 0.10% |
| For sale only | 241 | 1.38% |
| Sold, not occupied | 60 | 0.34% |
| For seasonal, recreational, or occasional use | 55 | 0.32% |
| All other vacants | 563 | 3.23% |
Homeowner Vacancy Rate in Rock Island City
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 2.30% |
Rental Vacancy Rate in Rock Island City
*Base on 2010 Data
| Rental vacancy rate (percent) | 8.90% |
Housing Tenure(Occupied housing units) in Rock Island City
*Base on 2010 Data
| Total | 15,930 | 100.00% |
| Owner-occupied housing units | 10,272 | 64.48% |
| Renter-occupied housing units | 5,658 | 35.52% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Rock Island City
*Base on 2010 Data
| Owner-occupied housing units | 24,233 | 66.25% |
| Renter-occupied housing units | 12,344 | 33.75% |
Average Household Size of Occupied Housing Units by Tenure in Rock Island City
*Base on 2010 Data
| Owner occupied | 2 | % |
| Renter occupied | 2 | % |