Johnston city, Iowa demographics
Population: 23,418
Median age: 37.7
Median household income: 93,363
Johnston is a city in Polk County, Iowa, United States.
Demographics, population, home values, social and economic characteristics of Johnston city, IA.
Population
| 2021 | 23,418 |
| 2020 | 22,077 |
| 2019 | 21,406 |
| 2018 | 20,767 |
| 2017 | 20,172 |
| 2016 | 19,491 |
| 2015 | 19,550 |
| 2014 | 18,874 |
| 2013 | 18,135 |
| 2012 | 17,316 |
| 2011 | 16,446 |
| 2010 | 15,723 |
| 2009 | 14,968 |
Census data for Johnston city, Iowa
Demographic and housing estimates in Johnston city, Iowa
| Total population | 23,418 |
| Male | 11,520 |
| Female | 11,898 |
| Total population | 23,418 |
| Under 5 years | 1,659 |
| 5 to 9 years | 2,004 |
| 10 to 14 years | 1,887 |
| 15 to 19 years | 1,414 |
| 20 to 24 years | 1,015 |
| 25 to 34 years | 2,822 |
| 35 to 44 years | 3,170 |
| 45 to 54 years | 3,309 |
| 55 to 59 years | 1,632 |
| 60 to 64 years | 1,008 |
| 65 to 74 years | 2,129 |
| 75 to 84 years | 903 |
| 85 years and over | 466 |
| Median age (years) | 37.7 |
| Under 18 years | 6,712 |
| 16 years and over | 17,486 |
| 18 years and over | 16,706 |
| 21 years and over | 16,306 |
| 62 years and over | 4,093 |
| 65 years and over | 3,498 |
| Total population | 23,418 |
| One race | 22,843 |
| White | 18,796 |
| Black or African American | 2,325 |
| American Indian and Alaska Native | 21 |
| Asian | 1,513 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 188 |
| Two or more races | 575 |
| Citizen, VOTING AGE 18 and over population | 15,779 |
| Male Citizen, VOTING AGE 18 and over population | 7,729 |
| Female Citizen, VOTING AGE 18 and over population | 8,050 |
Social characteristics in Johnston city, Iowa
| Total households | 9,256 |
| Family households (families) | 5,134 |
| Married-couple family | 363 |
| Male householder, no wife present, family | 1,468 |
| Female householder, no husband present, family | 1,074 |
| Nonfamily households | 2,291 |
| Average household size | 2,378 |
| Average family size | 2.50 |
Economic characteristics in Johnston city, Iowa
| Total households | 9,256 |
| Less than $10,000 | 131 |
| $10,000 to $14,999 | 187 |
| $15,000 to $24,999 | 255 |
| $25,000 to $34,999 | 486 |
| $35,000 to $49,999 | 1,132 |
| $50,000 to $74,999 | 1,274 |
| $75,000 to $99,999 | 1,401 |
| $100,000 to $149,999 | 1,444 |
| $150,000 to $199,999 | 1,148 |
| $200,000 or more | 1,798 |
| Median household income (dollars) | 93,363 |
Housing characteristics in Johnston city, Iowa
| Total housing units | 9,620 |
| Occupied housing units | 9,256 |
| Vacant housing units | 364 |
| Total housing units | 9,620 |
| 1-unit, detached | 5,809 |
| 1-unit, attached | 1,407 |
| 2 units | 50 |
| 3 or 4 units | 153 |
| 5 to 9 units | 451 |
| 10 to 19 units | 479 |
| 20 or more units | 1,271 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 9,620 |
| Built 2014 or later | 72 |
| Built 2010 to 2013 | 2,344 |
| Built 2000 to 2009 | 3,113 |
| Built 1990 to 1999 | 1,893 |
| Built 1980 to 1989 | 1,196 |
| Built 1970 to 1979 | 434 |
| Built 1960 to 1969 | 279 |
| Built 1950 to 1959 | 91 |
| Built 1940 to 1949 | 95 |
| Built 1939 or earlier | 103 |
| Total housing units | 9,620 |
| 1 room | 168 |
| 2 rooms | 307 |
| 3 rooms | 819 |
| 4 rooms | 1,592 |
| 5 rooms | 810 |
| 6 rooms | 1,145 |
| 7 rooms | 1,030 |
| 8 rooms | 1,246 |
| 9 rooms or more | 2,503 |
| Median rooms | 6.5 |
| Total housing units | 9,620 |
| No bedroom | 177 |
| 1 bedroom | 694 |
| 2 bedrooms | 2,108 |
| 3 bedrooms | 2,916 |
| 4 bedrooms | 2,472 |
| 5 or more bedrooms | 1,253 |
| Occupied housing units | 9,256 |
| Owner-occupied | 6,552 |
| Renter-occupied | 2,704 |
| Average household size of owner-occupied unit | 2.63 |
| Average household size of renter-occupied unit | 2.21 |
| Occupied housing units | 9,256 |
| Moved in 2017 or later | 1,069 |
| Moved in 2015 to 2016 | 3,197 |
| Moved in 2010 to 2014 | 1,675 |
| Moved in 2000 to 2009 | 2,200 |
| Moved in 1990 to 1999 | 656 |
| Moved in 1989 and earlier | 459 |
| Owner-occupied units | 6,552 |
| Less than $50,000 | 55 |
| $50,000 to $99,999 | 93 |
| $100,000 to $149,999 | 75 |
| $150,000 to $199,999 | 772 |
| $200,000 to $299,999 | 2,529 |
| $300,000 to $499,999 | 2,312 |
| $500,000 to $999,999 | 673 |
| $1,000,000 or more | 43 |
| Median (dollars) | 289,600 |
| Owner-occupied units | 6,552 |
| Housing units with a mortgage | 4,731 |
| Housing units without a mortgage | 1,821 |
| Occupied units paying rent | 2,647 |
| Less than $500 | 96 |
| $500 to $999 | 541 |
| $1,000 to $1,499 | 1,427 |
| $1,500 to $1,999 | 447 |
| $2,000 to $2,499 | 119 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 17 |
| Median (dollars) | 1,163 |
| No rent paid | 57 |
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