Population by Age in Janesville City
*Base on 2010 Data
| Total population | 63,575 | 100.00% |
| Under 5 years | 4,251 | 6.69% |
| 5 to 9 years | 4,354 | 6.85% |
| 10 to 14 years | 4,406 | 6.93% |
| 15 to 19 years | 4,246 | 6.68% |
| 20 to 24 years | 3,810 | 5.99% |
| 25 to 29 years | 4,631 | 7.28% |
| 30 to 34 years | 4,300 | 6.76% |
| 35 to 39 years | 4,293 | 6.75% |
| 40 to 44 years | 4,489 | 7.06% |
| 45 to 49 years | 4,567 | 7.18% |
| 50 to 54 years | 4,473 | 7.04% |
| 55 to 59 years | 3,766 | 5.92% |
| 60 to 64 years | 3,155 | 4.96% |
| 65 to 69 years | 2,497 | 3.93% |
| 70 to 74 years | 2,068 | 3.25% |
| 75 to 79 years | 1,719 | 2.70% |
| 80 to 84 years | 1,359 | 2.14% |
| 85 years and over | 1,191 | 1.87% |
Male Population in Janesville City
*Base on 2010 Data
| Male population | 31,102 | 48.92% |
| Under 5 years | 2,182 | 3.43% |
| 5 to 9 years | 2,243 | 3.53% |
| 10 to 14 years | 2,257 | 3.55% |
| 15 to 19 years | 2,176 | 3.42% |
| 20 to 24 years | 1,884 | 2.96% |
| 25 to 29 years | 2,278 | 3.58% |
| 30 to 34 years | 2,233 | 3.51% |
| 35 to 39 years | 2,169 | 3.41% |
| 40 to 44 years | 2,218 | 3.49% |
| 45 to 49 years | 2,247 | 3.53% |
| 50 to 54 years | 2,208 | 3.47% |
| 55 to 59 years | 1,794 | 2.82% |
| 60 to 64 years | 1,467 | 2.31% |
| 65 to 69 years | 1,144 | 1.80% |
| 70 to 74 years | 920 | 1.45% |
| 75 to 79 years | 746 | 1.17% |
| 80 to 84 years | 530 | 0.83% |
| 85 years and over | 406 | 0.64% |
Female Population in Janesville City
*Base on 2010 Data
| Female population | 32,473 | 51.08% |
| Under 5 years | 2,069 | 3.25% |
| 5 to 9 years | 2,111 | 3.32% |
| 10 to 14 years | 2,149 | 3.38% |
| 15 to 19 years | 2,070 | 3.26% |
| 20 to 24 years | 1,926 | 3.03% |
| 25 to 29 years | 2,353 | 3.70% |
| 30 to 34 years | 2,067 | 3.25% |
| 35 to 39 years | 2,124 | 3.34% |
| 40 to 44 years | 2,271 | 3.57% |
| 45 to 49 years | 2,320 | 3.65% |
| 50 to 54 years | 2,265 | 3.56% |
| 55 to 59 years | 1,972 | 3.10% |
| 60 to 64 years | 1,688 | 2.66% |
| 65 to 69 years | 1,353 | 2.13% |
| 70 to 74 years | 1,148 | 1.81% |
| 75 to 79 years | 973 | 1.53% |
| 80 to 84 years | 829 | 1.30% |
| 85 years and over | 785 | 1.23% |
Median Age in Janesville City
*Base on 2010 Data
| Both | 37.10% | |
| Male | 35.70% | |
| Female | 38.60% |
Race in Janesville City
*Base on 2010 Data
| Total | 63,575 | 100.00% |
| Population of one race | 62,246 | 97.91% |
| White | 58,299 | 91.70% |
| Black or African American | 1,633 | 2.57% |
| American Indian and Alaska Native | 187 | 0.29% |
| Asian | 857 | 1.35% |
| Asian Indian | 90 | 0.14% |
| Chinese | 135 | 0.21% |
| Filipino | 82 | 0.13% |
| Japanese | 12 | 0.02% |
| Korean | 64 | 0.10% |
| Vietnamese | 60 | 0.09% |
| Other Asian | 414 | 0.65% |
| Native Hawaiian and Other Pacific Islander | 22 | 0.03% |
| Native Hawaiian | 8 | 0.01% |
| Guamanian or Chamorro | 4 | 0.01% |
| Samoan | 3 | 0.00% |
| Other Pacific Islander | 7 | 0.01% |
| Some Other Race | 1,248 | 1.96% |
| Population of Two or More Races | 1,329 | 2.09% |
| White; American Indian and Alaska Native | 204 | 0.32% |
| White; Asian | 205 | 0.32% |
| White; Black or African American | 592 | 0.93% |
| White; Some Other Race | 173 | 0.27% |
The Population 16 Years in Janesville City
*Base on 2010 Data
| Total | 49,686 | 100.00% |
| Male | 23,982 | 48.27% |
| Female | 25,704 | 51.73% |
The Population 18 Years in Janesville City
*Base on 2010 Data
| Total | 47,843 | 100.00% |
| Male | 23,056 | 48.19% |
| Female | 24,787 | 51.81% |
The Population 21 Years in Janesville City
*Base on 2010 Data
| Total | 45,632 | 100.00% |
| Male | 21,914 | 48.02% |
| Female | 23,718 | 51.98% |
The Population 62 Years in Janesville City
*Base on 2010 Data
| Total | 10,724 | 100.00% |
| Male | 4,599 | 42.89% |
| Female | 6,125 | 57.11% |
The Population 65 Years in Janesville City
*Base on 2010 Data
| Total | 8,834 | 100.00% |
| Male | 3,746 | 42.40% |
| Female | 5,088 | 57.60% |
Race (total races tallied) in Janesville City
*Base on 2010 Data
| White alone or in combination with one or more other races | 59,563 | 91.67% |
| Black or African American alone or in combination with one or more other races | 2,307 | 3.55% |
| American Indian and Alaska Native alone or in combination with one or more other races | 454 | 0.70% |
| Asian alone or in combination with one or more other races | 1,108 | 1.71% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 68 | 0.10% |
| Some Other Race alone or in combination with one or more other races | 1,472 | 2.27% |
Hispanic or Latino by Specific Origin in Janesville City
*Base on 2010 Data
| Total | 63,575 | 100.00% |
| Hispanic or Latino (of any race) | 3,421 | 5.38% |
| Mexican | 2,851 | 4.48% |
| Puerto Rican | 179 | 0.28% |
| Cuban | 30 | 0.05% |
| Other Hispanic or Latino | 361 | 0.57% |
| Not Hispanic or Latino | 60,154 | 94.62% |
Hispanic or Latino and Race in Janesville City
*Base on 2010 Data
| Total | 63,575 | 100.00% |
| Hispanic or Latino | 3,421 | 5.38% |
| White alone | 1,834 | 2.88% |
| Black or African American alone | 59 | 0.09% |
| American Indian and Alaska Native alone | 38 | 0.06% |
| Asian alone | 11 | 0.02% |
| Native Hawaiian and Other Pacific Islander alone | 1 | 0.00% |
| Some Other Race alone | 1,209 | 1.90% |
| Two or More Races | 269 | 0.42% |
| Not Hispanic or Latino | 60,154 | 94.62% |
| White alone | 56,465 | 88.82% |
| Black or African American alone | 1,574 | 2.48% |
| American Indian and Alaska Native alone | 149 | 0.23% |
| Asian alone | 846 | 1.33% |
| Native Hawaiian and Other Pacific Islander alone | 21 | 0.03% |
| Some Other Race alone | 39 | 0.06% |
| Two or More Races | 1,060 | 1.67% |
Relationship in Janesville City
*Base on 2010 Data
| Total | 63,575 | 100.00% |
| In households | 62,645 | 98.54% |
| Householder | 25,828 | 40.63% |
| Spouse | 12,032 | 18.93% |
| Child | 18,216 | 28.65% |
| Own child under 18 years | 14,325 | 22.53% |
| Other relatives | 2,339 | 3.68% |
| Under 18 years | 925 | 1.45% |
| 65 years and over | 268 | 0.42% |
| Nonrelatives | 4,230 | 6.65% |
| Under 18 years | 441 | 0.69% |
| 65 years and over | 149 | 0.23% |
| Unmarried partner | 2,295 | 3.61% |
| In group quarters | 930 | 1.46% |
| Institutionalized population | 756 | 1.19% |
| Male | 496 | 0.78% |
| Female | 260 | 0.41% |
| Noninstitutionalized population | 174 | 0.27% |
| Male | 108 | 0.17% |
| Female | 66 | 0.10% |
Households by Type in Janesville City
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 25,828 | 100.00% |
| Family households (families) | 16,718 | 64.73% |
| With own children under 18 years | 7,839 | 30.35% |
| Husband-wife family | 12,032 | 46.59% |
| With own children under 18 years | 4,775 | 18.49% |
| Male householder, no wife present | 1,418 | 5.49% |
| With own children under 18 years | 875 | 3.39% |
| Female householder, no husband present | 3,268 | 12.65% |
| With own children under 18 years | 2,189 | 8.48% |
| Nonfamily households | 9,110 | 35.27% |
| Householder living alone | 7,280 | 28.19% |
| Male | 3,065 | 11.87% |
| 65 years and over | 689 | 2.67% |
| Female | 4,215 | 16.32% |
| 65 years and over | 2,041 | 7.90% |
Households with individuals under 18 years in Janesville City
*Base on 2010 Data
| Total | 8,534 | 33.04% |
Households with individuals under 65 years in Janesville City
*Base on 2010 Data
| Total | 6,275 | 24.30% |
Average Household Size in Janesville City
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in Janesville City
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Janesville City
*Base on 2010 Data
| Total | 27,996 | 100.00% |
| Occupied housing units | 25,828 | 92.26% |
| Vacant housing units | 2,168 | 7.74% |
| For rent | 1,121 | 4.00% |
| Rented, not occupied | 24 | 0.09% |
| For sale only | 434 | 1.55% |
| Sold, not occupied | 60 | 0.21% |
| For seasonal, recreational, or occasional use | 128 | 0.46% |
| All other vacants | 401 | 1.43% |
Homeowner Vacancy Rate in Janesville City
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 2.40% |
Rental Vacancy Rate in Janesville City
*Base on 2010 Data
| Rental vacancy rate (percent) | 11.90% |
Housing Tenure(Occupied housing units) in Janesville City
*Base on 2010 Data
| Total | 25,828 | 100.00% |
| Owner-occupied housing units | 17,574 | 68.04% |
| Renter-occupied housing units | 8,254 | 31.96% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Janesville City
*Base on 2010 Data
| Owner-occupied housing units | 44,146 | 70.47% |
| Renter-occupied housing units | 18,499 | 29.53% |
Average Household Size of Occupied Housing Units by Tenure in Janesville City
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 2 | % |