Iowa County, Iowa demographics
Population: 16,596
Median age: 42.9
Median household income: 64,720
Demographics, population, home values, social and economic characteristics of Iowa County, Iowa.
Population
| 2021 | 16,596 |
| 2020 | 16,155 |
| 2019 | 16,189 |
| 2018 | 16,207 |
| 2017 | 16,231 |
| 2016 | 16,326 |
| 2015 | 16,344 |
| 2014 | 16,316 |
| 2013 | 16,323 |
| 2012 | 16,320 |
| 2011 | 16,342 |
| 2010 | 16,353 |
| 2009 | 15,840 |
Iowa County, IA cities
Amana CDP - 471
Conroy CDP - 158
East Amana CDP - 43
High Amana CDP - 71
Homestead CDP - 66
Ladora city - 254
Marengo city - 2,714
Middle Amana CDP - 799
Millersburg city - 162
North English city - 905
Parnell city - 241
South Amana CDP - 109
Victor city - 888
West Amana CDP - 115
Williamsburg city - 3,322
Census data for Iowa County, Iowa
Demographic and housing estimates in Iowa County, Iowa
| Total population | 16,596 |
| Male | 8,402 |
| Female | 8,194 |
| Total population | 16,596 |
| Under 5 years | 931 |
| 5 to 9 years | 997 |
| 10 to 14 years | 1,240 |
| 15 to 19 years | 998 |
| 20 to 24 years | 847 |
| 25 to 34 years | 1,714 |
| 35 to 44 years | 1,982 |
| 45 to 54 years | 2,147 |
| 55 to 59 years | 1,324 |
| 60 to 64 years | 1,308 |
| 65 to 74 years | 1,678 |
| 75 to 84 years | 1,007 |
| 85 years and over | 423 |
| Median age (years) | 42.9 |
| Under 18 years | 3,851 |
| 16 years and over | 13,188 |
| 18 years and over | 12,745 |
| 21 years and over | 12,314 |
| 62 years and over | 3,925 |
| 65 years and over | 3,108 |
| Total population | 16,596 |
| One race | 16,098 |
| White | 15,883 |
| Black or African American | 112 |
| American Indian and Alaska Native | 7 |
| Asian | 29 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 67 |
| Two or more races | 498 |
| Citizen, VOTING AGE 18 and over population | 12,670 |
| Male Citizen, VOTING AGE 18 and over population | 6,365 |
| Female Citizen, VOTING AGE 18 and over population | 6,305 |
Social characteristics in Iowa County, Iowa
| Total households | 6,765 |
| Family households (families) | 3,676 |
| Married-couple family | 506 |
| Male householder, no wife present, family | 1,130 |
| Female householder, no husband present, family | 802 |
| Nonfamily households | 1,453 |
| Average household size | 2,163 |
| Average family size | 2.41 |
Economic characteristics in Iowa County, Iowa
| Total households | 6,765 |
| Less than $10,000 | 218 |
| $10,000 to $14,999 | 215 |
| $15,000 to $24,999 | 507 |
| $25,000 to $34,999 | 529 |
| $35,000 to $49,999 | 966 |
| $50,000 to $74,999 | 1,306 |
| $75,000 to $99,999 | 1,129 |
| $100,000 to $149,999 | 1,190 |
| $150,000 to $199,999 | 418 |
| $200,000 or more | 287 |
| Median household income (dollars) | 64,720 |
Housing characteristics in Iowa County, Iowa
| Total housing units | 7,346 |
| Occupied housing units | 6,765 |
| Vacant housing units | 581 |
| Total housing units | 7,346 |
| 1-unit, detached | 5,834 |
| 1-unit, attached | 187 |
| 2 units | 203 |
| 3 or 4 units | 333 |
| 5 to 9 units | 211 |
| 10 to 19 units | 120 |
| 20 or more units | 124 |
| Mobile home | 322 |
| Boat, RV, van, etc. | 12 |
| Total housing units | 7,346 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 297 |
| Built 2000 to 2009 | 870 |
| Built 1990 to 1999 | 841 |
| Built 1980 to 1989 | 527 |
| Built 1970 to 1979 | 1,118 |
| Built 1960 to 1969 | 630 |
| Built 1950 to 1959 | 443 |
| Built 1940 to 1949 | 369 |
| Built 1939 or earlier | 2,251 |
| Total housing units | 7,346 |
| 1 room | 20 |
| 2 rooms | 104 |
| 3 rooms | 395 |
| 4 rooms | 811 |
| 5 rooms | 1,131 |
| 6 rooms | 1,195 |
| 7 rooms | 1,209 |
| 8 rooms | 954 |
| 9 rooms or more | 1,527 |
| Median rooms | 6.5 |
| Total housing units | 7,346 |
| No bedroom | 32 |
| 1 bedroom | 576 |
| 2 bedrooms | 1,695 |
| 3 bedrooms | 3,093 |
| 4 bedrooms | 1,402 |
| 5 or more bedrooms | 548 |
| Occupied housing units | 6,765 |
| Owner-occupied | 5,324 |
| Renter-occupied | 1,441 |
| Average household size of owner-occupied unit | 2.57 |
| Average household size of renter-occupied unit | 1.81 |
| Occupied housing units | 6,765 |
| Moved in 2017 or later | 461 |
| Moved in 2015 to 2016 | 1,462 |
| Moved in 2010 to 2014 | 1,215 |
| Moved in 2000 to 2009 | 1,579 |
| Moved in 1990 to 1999 | 937 |
| Moved in 1989 and earlier | 1,111 |
| Owner-occupied units | 5,324 |
| Less than $50,000 | 386 |
| $50,000 to $99,999 | 988 |
| $100,000 to $149,999 | 1,124 |
| $150,000 to $199,999 | 1,179 |
| $200,000 to $299,999 | 864 |
| $300,000 to $499,999 | 607 |
| $500,000 to $999,999 | 140 |
| $1,000,000 or more | 36 |
| Median (dollars) | 155,900 |
| Owner-occupied units | 5,324 |
| Housing units with a mortgage | 3,140 |
| Housing units without a mortgage | 2,184 |
| Occupied units paying rent | 1,342 |
| Less than $500 | 292 |
| $500 to $999 | 878 |
| $1,000 to $1,499 | 131 |
| $1,500 to $1,999 | 18 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 17 |
| $3,000 or more | 6 |
| Median (dollars) | 650 |
| No rent paid | 99 |
Demographic data for Iowa County, IA and each city in the county. Lists of cities by population, wealth and poverty in Iowa County, IA.
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