Johnson County, Iowa demographics
Population: 151,833
Median age: 30.7
Median household income: 67,414
Demographics, population, home values, social and economic characteristics of Johnson County, Iowa.
Population
| 2021 | 151,833 |
| 2020 | 150,819 |
| 2019 | 148,577 |
| 2018 | 147,001 |
| 2017 | 144,425 |
| 2016 | 142,006 |
| 2015 | 139,436 |
| 2014 | 136,802 |
| 2013 | 134,034 |
| 2012 | 131,627 |
| 2011 | 129,159 |
| 2010 | 126,994 |
| 2009 | 125,810 |
Johnson County, IA cities
Coralville city - 22,226
Frytown CDP - 49
Hills city - 821
Iowa City city - 74,240
Lone Tree city - 1,094
North Liberty city - 19,976
Oxford city - 695
Shueyville city - 858
Solon city - 2,959
Swisher city - 1,118
Tiffin city - 4,482
University Heights city - 1,381
West Branch city - 2,289
Census data for Johnson County, Iowa
Demographic and housing estimates in Johnson County, Iowa
| Total population | 151,833 |
| Male | 75,737 |
| Female | 76,096 |
| Total population | 151,833 |
| Under 5 years | 8,670 |
| 5 to 9 years | 8,568 |
| 10 to 14 years | 8,221 |
| 15 to 19 years | 13,054 |
| 20 to 24 years | 23,212 |
| 25 to 34 years | 23,015 |
| 35 to 44 years | 18,631 |
| 45 to 54 years | 15,310 |
| 55 to 59 years | 7,322 |
| 60 to 64 years | 7,628 |
| 65 to 74 years | 11,475 |
| 75 to 84 years | 4,736 |
| 85 years and over | 1,991 |
| Median age (years) | 30.7 |
| Under 18 years | 30,374 |
| 16 years and over | 124,653 |
| 18 years and over | 121,459 |
| 21 years and over | 108,199 |
| 62 years and over | 22,726 |
| 65 years and over | 18,202 |
| Total population | 151,833 |
| One race | 144,134 |
| White | 121,135 |
| Black or African American | 10,868 |
| American Indian and Alaska Native | 415 |
| Asian | 9,198 |
| Native Hawaiian and Other Pacific Islander | 90 |
| Some other race | 2,428 |
| Two or more races | 7,699 |
| Citizen, VOTING AGE 18 and over population | 111,299 |
| Male Citizen, VOTING AGE 18 and over population | 54,630 |
| Female Citizen, VOTING AGE 18 and over population | 56,669 |
Social characteristics in Johnson County, Iowa
| Total households | 60,573 |
| Family households (families) | 27,133 |
| Married-couple family | 4,742 |
| Male householder, no wife present, family | 12,802 |
| Female householder, no husband present, family | 8,604 |
| Nonfamily households | 15,896 |
| Average household size | 12,567 |
| Average family size | 2.39 |
Economic characteristics in Johnson County, Iowa
| Total households | 60,573 |
| Less than $10,000 | 4,688 |
| $10,000 to $14,999 | 2,110 |
| $15,000 to $24,999 | 4,720 |
| $25,000 to $34,999 | 4,949 |
| $35,000 to $49,999 | 6,864 |
| $50,000 to $74,999 | 9,568 |
| $75,000 to $99,999 | 6,686 |
| $100,000 to $149,999 | 10,625 |
| $150,000 to $199,999 | 5,024 |
| $200,000 or more | 5,339 |
| Median household income (dollars) | 67,414 |
Housing characteristics in Johnson County, Iowa
| Total housing units | 65,124 |
| Occupied housing units | 60,573 |
| Vacant housing units | 4,551 |
| Total housing units | 65,124 |
| 1-unit, detached | 33,139 |
| 1-unit, attached | 7,145 |
| 2 units | 1,647 |
| 3 or 4 units | 2,110 |
| 5 to 9 units | 4,172 |
| 10 to 19 units | 7,051 |
| 20 or more units | 7,334 |
| Mobile home | 2,487 |
| Boat, RV, van, etc. | 39 |
| Total housing units | 65,124 |
| Built 2014 or later | 180 |
| Built 2010 to 2013 | 10,134 |
| Built 2000 to 2009 | 10,648 |
| Built 1990 to 1999 | 10,840 |
| Built 1980 to 1989 | 7,760 |
| Built 1970 to 1979 | 8,260 |
| Built 1960 to 1969 | 5,735 |
| Built 1950 to 1959 | 3,434 |
| Built 1940 to 1949 | 1,257 |
| Built 1939 or earlier | 6,876 |
| Total housing units | 65,124 |
| 1 room | 1,622 |
| 2 rooms | 2,589 |
| 3 rooms | 7,530 |
| 4 rooms | 11,475 |
| 5 rooms | 8,188 |
| 6 rooms | 8,545 |
| 7 rooms | 6,660 |
| 8 rooms | 6,283 |
| 9 rooms or more | 12,232 |
| Median rooms | 5.6 |
| Total housing units | 65,124 |
| No bedroom | 1,759 |
| 1 bedroom | 6,409 |
| 2 bedrooms | 18,410 |
| 3 bedrooms | 20,909 |
| 4 bedrooms | 12,003 |
| 5 or more bedrooms | 5,634 |
| Occupied housing units | 60,573 |
| Owner-occupied | 35,972 |
| Renter-occupied | 24,601 |
| Average household size of owner-occupied unit | 2.57 |
| Average household size of renter-occupied unit | 2.12 |
| Occupied housing units | 60,573 |
| Moved in 2017 or later | 9,569 |
| Moved in 2015 to 2016 | 22,415 |
| Moved in 2010 to 2014 | 9,818 |
| Moved in 2000 to 2009 | 8,952 |
| Moved in 1990 to 1999 | 5,512 |
| Moved in 1989 and earlier | 4,307 |
| Owner-occupied units | 35,972 |
| Less than $50,000 | 1,977 |
| $50,000 to $99,999 | 954 |
| $100,000 to $149,999 | 2,823 |
| $150,000 to $199,999 | 6,148 |
| $200,000 to $299,999 | 10,866 |
| $300,000 to $499,999 | 9,653 |
| $500,000 to $999,999 | 3,238 |
| $1,000,000 or more | 313 |
| Median (dollars) | 248,100 |
| Owner-occupied units | 35,972 |
| Housing units with a mortgage | 24,071 |
| Housing units without a mortgage | 11,901 |
| Occupied units paying rent | 23,989 |
| Less than $500 | 1,390 |
| $500 to $999 | 9,955 |
| $1,000 to $1,499 | 8,034 |
| $1,500 to $1,999 | 3,152 |
| $2,000 to $2,499 | 1,119 |
| $2,500 to $2,999 | 152 |
| $3,000 or more | 187 |
| Median (dollars) | 1,031 |
| No rent paid | 612 |
Demographic data for Johnson County, IA and each city in the county. Lists of cities by population, wealth and poverty in Johnson County, IA.
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