Population by Age in Polk County
*Base on 2010 Data
| Total population | 41,475 | 100.00% |
| Under 5 years | 3,307 | 7.97% |
| 5 to 9 years | 3,142 | 7.58% |
| 10 to 14 years | 2,976 | 7.18% |
| 15 to 19 years | 2,698 | 6.51% |
| 20 to 24 years | 2,702 | 6.51% |
| 25 to 29 years | 2,675 | 6.45% |
| 30 to 34 years | 2,595 | 6.26% |
| 35 to 39 years | 2,636 | 6.36% |
| 40 to 44 years | 2,672 | 6.44% |
| 45 to 49 years | 2,943 | 7.10% |
| 50 to 54 years | 2,840 | 6.85% |
| 55 to 59 years | 2,446 | 5.90% |
| 60 to 64 years | 2,308 | 5.56% |
| 65 to 69 years | 1,835 | 4.42% |
| 70 to 74 years | 1,369 | 3.30% |
| 75 to 79 years | 1,026 | 2.47% |
| 80 to 84 years | 712 | 1.72% |
| 85 years and over | 593 | 1.43% |
Male Population in Polk County
*Base on 2010 Data
| Male population | 20,518 | 49.47% |
| Under 5 years | 1,719 | 4.14% |
| 5 to 9 years | 1,622 | 3.91% |
| 10 to 14 years | 1,556 | 3.75% |
| 15 to 19 years | 1,416 | 3.41% |
| 20 to 24 years | 1,381 | 3.33% |
| 25 to 29 years | 1,397 | 3.37% |
| 30 to 34 years | 1,292 | 3.12% |
| 35 to 39 years | 1,308 | 3.15% |
| 40 to 44 years | 1,330 | 3.21% |
| 45 to 49 years | 1,513 | 3.65% |
| 50 to 54 years | 1,357 | 3.27% |
| 55 to 59 years | 1,173 | 2.83% |
| 60 to 64 years | 1,081 | 2.61% |
| 65 to 69 years | 902 | 2.17% |
| 70 to 74 years | 612 | 1.48% |
| 75 to 79 years | 415 | 1.00% |
| 80 to 84 years | 288 | 0.69% |
| 85 years and over | 156 | 0.38% |
Female Population in Polk County
*Base on 2010 Data
| Female population | 20,957 | 50.53% |
| Under 5 years | 1,588 | 3.83% |
| 5 to 9 years | 1,520 | 3.66% |
| 10 to 14 years | 1,420 | 3.42% |
| 15 to 19 years | 1,282 | 3.09% |
| 20 to 24 years | 1,321 | 3.19% |
| 25 to 29 years | 1,278 | 3.08% |
| 30 to 34 years | 1,303 | 3.14% |
| 35 to 39 years | 1,328 | 3.20% |
| 40 to 44 years | 1,342 | 3.24% |
| 45 to 49 years | 1,430 | 3.45% |
| 50 to 54 years | 1,483 | 3.58% |
| 55 to 59 years | 1,273 | 3.07% |
| 60 to 64 years | 1,227 | 2.96% |
| 65 to 69 years | 933 | 2.25% |
| 70 to 74 years | 757 | 1.83% |
| 75 to 79 years | 611 | 1.47% |
| 80 to 84 years | 424 | 1.02% |
| 85 years and over | 437 | 1.05% |
Median Age in Polk County
*Base on 2010 Data
| Both | 36.20% | |
| Male | 34.50% | |
| Female | 37.90% |
Race in Polk County
*Base on 2010 Data
| Total | 41,475 | 100.00% |
| Population of one race | 40,716 | 98.17% |
| White | 31,974 | 77.09% |
| Black or African American | 5,190 | 12.51% |
| American Indian and Alaska Native | 115 | 0.28% |
| Asian | 281 | 0.68% |
| Asian Indian | 145 | 0.35% |
| Chinese | 38 | 0.09% |
| Filipino | 27 | 0.07% |
| Japanese | 15 | 0.04% |
| Korean | 8 | 0.02% |
| Vietnamese | 21 | 0.05% |
| Other Asian | 27 | 0.07% |
| Native Hawaiian and Other Pacific Islander | 36 | 0.09% |
| Native Hawaiian | 4 | 0.01% |
| Guamanian or Chamorro | 32 | 0.08% |
| Samoan | 0 | 0.00% |
| Other Pacific Islander | 0 | 0.00% |
| Some Other Race | 3,120 | 7.52% |
| Population of Two or More Races | 759 | 1.83% |
| White; American Indian and Alaska Native | 156 | 0.38% |
| White; Asian | 40 | 0.10% |
| White; Black or African American | 280 | 0.68% |
| White; Some Other Race | 170 | 0.41% |
The Population 16 Years in Polk County
*Base on 2010 Data
| Total | 31,535 | 100.00% |
| Male | 15,350 | 48.68% |
| Female | 16,185 | 51.32% |
The Population 18 Years in Polk County
*Base on 2010 Data
| Total | 30,429 | 100.00% |
| Male | 14,775 | 48.56% |
| Female | 15,654 | 51.44% |
The Population 21 Years in Polk County
*Base on 2010 Data
| Total | 28,848 | 100.00% |
| Male | 13,946 | 48.34% |
| Female | 14,902 | 51.66% |
The Population 62 Years in Polk County
*Base on 2010 Data
| Total | 6,907 | 100.00% |
| Male | 2,993 | 43.33% |
| Female | 3,914 | 56.67% |
The Population 65 Years in Polk County
*Base on 2010 Data
| Total | 5,535 | 100.00% |
| Male | 2,373 | 42.87% |
| Female | 3,162 | 57.13% |
Race (total races tallied) in Polk County
*Base on 2010 Data
| White alone or in combination with one or more other races | 32,641 | 77.26% |
| Black or African American alone or in combination with one or more other races | 5,536 | 13.10% |
| American Indian and Alaska Native alone or in combination with one or more other races | 320 | 0.76% |
| Asian alone or in combination with one or more other races | 352 | 0.83% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 49 | 0.12% |
| Some Other Race alone or in combination with one or more other races | 3,352 | 7.93% |
Hispanic or Latino by Specific Origin in Polk County
*Base on 2010 Data
| Total | 41,475 | 100.00% |
| Hispanic or Latino (of any race) | 4,885 | 11.78% |
| Mexican | 3,283 | 7.92% |
| Puerto Rican | 75 | 0.18% |
| Cuban | 22 | 0.05% |
| Other Hispanic or Latino | 1,505 | 3.63% |
| Not Hispanic or Latino | 36,590 | 88.22% |
Hispanic or Latino and Race in Polk County
*Base on 2010 Data
| Total | 41,475 | 100.00% |
| Hispanic or Latino | 4,885 | 11.78% |
| White alone | 1,482 | 3.57% |
| Black or African American alone | 40 | 0.10% |
| American Indian and Alaska Native alone | 42 | 0.10% |
| Asian alone | 11 | 0.03% |
| Native Hawaiian and Other Pacific Islander alone | 20 | 0.05% |
| Some Other Race alone | 3,067 | 7.39% |
| Two or More Races | 223 | 0.54% |
| Not Hispanic or Latino | 36,590 | 88.22% |
| White alone | 30,492 | 73.52% |
| Black or African American alone | 5,150 | 12.42% |
| American Indian and Alaska Native alone | 73 | 0.18% |
| Asian alone | 270 | 0.65% |
| Native Hawaiian and Other Pacific Islander alone | 16 | 0.04% |
| Some Other Race alone | 53 | 0.13% |
| Two or More Races | 536 | 1.29% |
Relationship in Polk County
*Base on 2010 Data
| Total | 41,475 | 100.00% |
| In households | 41,102 | 99.10% |
| Householder | 15,092 | 36.39% |
| Spouse | 7,773 | 18.74% |
| Child | 12,447 | 30.01% |
| Own child under 18 years | 8,994 | 21.69% |
| Other relatives | 3,793 | 9.15% |
| Under 18 years | 1,768 | 4.26% |
| 65 years and over | 366 | 0.88% |
| Nonrelatives | 1,997 | 4.81% |
| Under 18 years | 264 | 0.64% |
| 65 years and over | 70 | 0.17% |
| Unmarried partner | 931 | 2.24% |
| In group quarters | 373 | 0.90% |
| Institutionalized population | 343 | 0.83% |
| Male | 208 | 0.50% |
| Female | 135 | 0.33% |
| Noninstitutionalized population | 30 | 0.07% |
| Male | 21 | 0.05% |
| Female | 9 | 0.02% |
Households by Type in Polk County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 15,092 | 100.00% |
| Family households (families) | 10,908 | 72.28% |
| With own children under 18 years | 4,776 | 31.65% |
| Husband-wife family | 7,773 | 51.50% |
| With own children under 18 years | 3,216 | 21.31% |
| Male householder, no wife present | 898 | 5.95% |
| With own children under 18 years | 408 | 2.70% |
| Female householder, no husband present | 2,237 | 14.82% |
| With own children under 18 years | 1,152 | 7.63% |
| Nonfamily households | 4,184 | 27.72% |
| Householder living alone | 3,558 | 23.58% |
| Male | 1,528 | 10.12% |
| 65 years and over | 438 | 2.90% |
| Female | 2,030 | 13.45% |
| 65 years and over | 1,130 | 7.49% |
Households with individuals under 18 years in Polk County
*Base on 2010 Data
| Total | 5,760 | 38.17% |
Households with individuals under 65 years in Polk County
*Base on 2010 Data
| Total | 4,096 | 27.14% |
Average Household Size in Polk County
*Base on 2010 Data
| Average household size | 3 | % |
Average Family Size in Polk County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Polk County
*Base on 2010 Data
| Total | 16,908 | 100.00% |
| Occupied housing units | 15,092 | 89.26% |
| Vacant housing units | 1,816 | 10.74% |
| For rent | 608 | 3.60% |
| Rented, not occupied | 23 | 0.14% |
| For sale only | 276 | 1.63% |
| Sold, not occupied | 42 | 0.25% |
| For seasonal, recreational, or occasional use | 118 | 0.70% |
| All other vacants | 749 | 4.43% |
Homeowner Vacancy Rate in Polk County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 2.70% |
Rental Vacancy Rate in Polk County
*Base on 2010 Data
| Rental vacancy rate (percent) | 10.70% |
Housing Tenure(Occupied housing units) in Polk County
*Base on 2010 Data
| Total | 15,092 | 100.00% |
| Owner-occupied housing units | 10,028 | 66.45% |
| Renter-occupied housing units | 5,064 | 33.55% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Polk County
*Base on 2010 Data
| Owner-occupied housing units | 26,845 | 65.31% |
| Renter-occupied housing units | 14,257 | 34.69% |
Average Household Size of Occupied Housing Units by Tenure in Polk County
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 3 | % |