Winneshiek County, Iowa demographics
Population: 20,100
Median age: 41.7
Median household income: 65,330
Demographics, population, home values, social and economic characteristics of Winneshiek County, Iowa.
Population
| 2021 | 20,100 |
| 2020 | 20,090 |
| 2019 | 20,262 |
| 2018 | 20,401 |
| 2017 | 20,575 |
| 2016 | 20,789 |
| 2015 | 20,884 |
| 2014 | 20,957 |
| 2013 | 21,038 |
| 2012 | 21,033 |
| 2011 | 21,033 |
| 2010 | 21,031 |
| 2009 | 20,764 |
Winneshiek County, IA cities
Burr Oak CDP - 213
Calmar city - 952
Castalia city - 158
Decorah city - 7,767
Fort Atkinson city - 304
Ossian city - 795
Ridgeway city - 257
Spillville city - 371
Census data for Winneshiek County, Iowa
Demographic and housing estimates in Winneshiek County, Iowa
| Total population | 20,100 |
| Male | 10,055 |
| Female | 10,045 |
| Total population | 20,100 |
| Under 5 years | 931 |
| 5 to 9 years | 1,024 |
| 10 to 14 years | 1,031 |
| 15 to 19 years | 1,909 |
| 20 to 24 years | 1,987 |
| 25 to 34 years | 1,764 |
| 35 to 44 years | 1,981 |
| 45 to 54 years | 2,188 |
| 55 to 59 years | 1,470 |
| 60 to 64 years | 1,568 |
| 65 to 74 years | 2,372 |
| 75 to 84 years | 1,289 |
| 85 years and over | 586 |
| Median age (years) | 41.7 |
| Under 18 years | 3,740 |
| 16 years and over | 16,885 |
| 18 years and over | 16,360 |
| 21 years and over | 14,684 |
| 62 years and over | 5,083 |
| 65 years and over | 4,247 |
| Total population | 20,100 |
| One race | 19,805 |
| White | 19,262 |
| Black or African American | 179 |
| American Indian and Alaska Native | 52 |
| Asian | 150 |
| Native Hawaiian and Other Pacific Islander | 1 |
| Some other race | 161 |
| Two or more races | 295 |
| Citizen, VOTING AGE 18 and over population | 16,085 |
| Male Citizen, VOTING AGE 18 and over population | 7,946 |
| Female Citizen, VOTING AGE 18 and over population | 8,139 |
Social characteristics in Winneshiek County, Iowa
| Total households | 8,156 |
| Family households (families) | 4,391 |
| Married-couple family | 388 |
| Male householder, no wife present, family | 1,540 |
| Female householder, no husband present, family | 1,326 |
| Nonfamily households | 1,837 |
| Average household size | 2,952 |
| Average family size | 2.21 |
Economic characteristics in Winneshiek County, Iowa
| Total households | 8,156 |
| Less than $10,000 | 346 |
| $10,000 to $14,999 | 271 |
| $15,000 to $24,999 | 635 |
| $25,000 to $34,999 | 779 |
| $35,000 to $49,999 | 904 |
| $50,000 to $74,999 | 1,812 |
| $75,000 to $99,999 | 1,293 |
| $100,000 to $149,999 | 1,240 |
| $150,000 to $199,999 | 468 |
| $200,000 or more | 408 |
| Median household income (dollars) | 65,330 |
Housing characteristics in Winneshiek County, Iowa
| Total housing units | 8,918 |
| Occupied housing units | 8,156 |
| Vacant housing units | 762 |
| Total housing units | 8,918 |
| 1-unit, detached | 7,398 |
| 1-unit, attached | 141 |
| 2 units | 269 |
| 3 or 4 units | 367 |
| 5 to 9 units | 161 |
| 10 to 19 units | 130 |
| 20 or more units | 184 |
| Mobile home | 268 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 8,918 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 416 |
| Built 2000 to 2009 | 953 |
| Built 1990 to 1999 | 871 |
| Built 1980 to 1989 | 753 |
| Built 1970 to 1979 | 833 |
| Built 1960 to 1969 | 598 |
| Built 1950 to 1959 | 648 |
| Built 1940 to 1949 | 525 |
| Built 1939 or earlier | 3,321 |
| Total housing units | 8,918 |
| 1 room | 84 |
| 2 rooms | 156 |
| 3 rooms | 453 |
| 4 rooms | 1,088 |
| 5 rooms | 1,236 |
| 6 rooms | 1,521 |
| 7 rooms | 1,480 |
| 8 rooms | 1,179 |
| 9 rooms or more | 1,721 |
| Median rooms | 6.4 |
| Total housing units | 8,918 |
| No bedroom | 97 |
| 1 bedroom | 633 |
| 2 bedrooms | 2,135 |
| 3 bedrooms | 3,549 |
| 4 bedrooms | 1,777 |
| 5 or more bedrooms | 727 |
| Occupied housing units | 8,156 |
| Owner-occupied | 6,359 |
| Renter-occupied | 1,797 |
| Average household size of owner-occupied unit | 2.29 |
| Average household size of renter-occupied unit | 1.94 |
| Occupied housing units | 8,156 |
| Moved in 2017 or later | 624 |
| Moved in 2015 to 2016 | 1,934 |
| Moved in 2010 to 2014 | 1,157 |
| Moved in 2000 to 2009 | 1,838 |
| Moved in 1990 to 1999 | 1,145 |
| Moved in 1989 and earlier | 1,458 |
| Owner-occupied units | 6,359 |
| Less than $50,000 | 327 |
| $50,000 to $99,999 | 769 |
| $100,000 to $149,999 | 1,028 |
| $150,000 to $199,999 | 1,138 |
| $200,000 to $299,999 | 1,554 |
| $300,000 to $499,999 | 1,212 |
| $500,000 to $999,999 | 297 |
| $1,000,000 or more | 34 |
| Median (dollars) | 196,100 |
| Owner-occupied units | 6,359 |
| Housing units with a mortgage | 3,577 |
| Housing units without a mortgage | 2,782 |
| Occupied units paying rent | 1,614 |
| Less than $500 | 242 |
| $500 to $999 | 1,015 |
| $1,000 to $1,499 | 255 |
| $1,500 to $1,999 | 95 |
| $2,000 to $2,499 | 7 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 737 |
| No rent paid | 183 |
Demographic data for Winneshiek County, IA and each city in the county. Lists of cities by population, wealth and poverty in Winneshiek County, IA.
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