Buchanan County, Iowa demographics
Population: 20,598
Median age: 39.2
Median household income: 71,024
Demographics, population, home values, social and economic characteristics of Buchanan County, Iowa.
Population
| 2021 | 20,598 |
| 2020 | 21,141 |
| 2019 | 21,118 |
| 2018 | 21,125 |
| 2017 | 21,101 |
| 2016 | 21,031 |
| 2015 | 20,998 |
| 2014 | 20,947 |
| 2013 | 20,954 |
| 2012 | 20,988 |
| 2011 | 21,022 |
| 2010 | 21,026 |
| 2009 | 20,911 |
Buchanan County, IA cities
Aurora city - 181
Brandon city - 335
Fairbank city - 1,534
Hazleton city - 644
Independence city - 6,088
Jesup city - 2,535
Lamont city - 612
Quasqueton city - 791
Rowley city - 354
Stanley city - 106
Winthrop city - 1,036
Census data for Buchanan County, Iowa
Demographic and housing estimates in Buchanan County, Iowa
| Total population | 20,598 |
| Male | 10,230 |
| Female | 10,368 |
| Total population | 20,598 |
| Under 5 years | 1,370 |
| 5 to 9 years | 1,347 |
| 10 to 14 years | 1,728 |
| 15 to 19 years | 1,412 |
| 20 to 24 years | 978 |
| 25 to 34 years | 2,242 |
| 35 to 44 years | 2,608 |
| 45 to 54 years | 2,411 |
| 55 to 59 years | 1,277 |
| 60 to 64 years | 1,570 |
| 65 to 74 years | 2,129 |
| 75 to 84 years | 1,085 |
| 85 years and over | 441 |
| Median age (years) | 39.2 |
| Under 18 years | 5,430 |
| 16 years and over | 15,811 |
| 18 years and over | 15,168 |
| 21 years and over | 14,529 |
| 62 years and over | 4,573 |
| 65 years and over | 3,655 |
| Total population | 20,598 |
| One race | 20,191 |
| White | 19,967 |
| Black or African American | 131 |
| American Indian and Alaska Native | 50 |
| Asian | 11 |
| Native Hawaiian and Other Pacific Islander | 17 |
| Some other race | 15 |
| Two or more races | 407 |
| Citizen, VOTING AGE 18 and over population | 15,025 |
| Male Citizen, VOTING AGE 18 and over population | 7,436 |
| Female Citizen, VOTING AGE 18 and over population | 7,589 |
Social characteristics in Buchanan County, Iowa
| Total households | 7,787 |
| Family households (families) | 4,444 |
| Married-couple family | 581 |
| Male householder, no wife present, family | 1,356 |
| Female householder, no husband present, family | 1,047 |
| Nonfamily households | 1,406 |
| Average household size | 2,427 |
| Average family size | 2.62 |
Economic characteristics in Buchanan County, Iowa
| Total households | 7,787 |
| Less than $10,000 | 215 |
| $10,000 to $14,999 | 277 |
| $15,000 to $24,999 | 754 |
| $25,000 to $34,999 | 597 |
| $35,000 to $49,999 | 886 |
| $50,000 to $74,999 | 1,378 |
| $75,000 to $99,999 | 1,414 |
| $100,000 to $149,999 | 1,476 |
| $150,000 to $199,999 | 555 |
| $200,000 or more | 235 |
| Median household income (dollars) | 71,024 |
Housing characteristics in Buchanan County, Iowa
| Total housing units | 8,890 |
| Occupied housing units | 7,787 |
| Vacant housing units | 1,103 |
| Total housing units | 8,890 |
| 1-unit, detached | 7,294 |
| 1-unit, attached | 195 |
| 2 units | 206 |
| 3 or 4 units | 446 |
| 5 to 9 units | 83 |
| 10 to 19 units | 19 |
| 20 or more units | 181 |
| Mobile home | 465 |
| Boat, RV, van, etc. | 1 |
| Total housing units | 8,890 |
| Built 2014 or later | 25 |
| Built 2010 to 2013 | 472 |
| Built 2000 to 2009 | 728 |
| Built 1990 to 1999 | 1,135 |
| Built 1980 to 1989 | 762 |
| Built 1970 to 1979 | 1,530 |
| Built 1960 to 1969 | 864 |
| Built 1950 to 1959 | 760 |
| Built 1940 to 1949 | 309 |
| Built 1939 or earlier | 2,305 |
| Total housing units | 8,890 |
| 1 room | 89 |
| 2 rooms | 132 |
| 3 rooms | 369 |
| 4 rooms | 1,305 |
| 5 rooms | 1,547 |
| 6 rooms | 1,642 |
| 7 rooms | 1,235 |
| 8 rooms | 875 |
| 9 rooms or more | 1,696 |
| Median rooms | 6.1 |
| Total housing units | 8,890 |
| No bedroom | 106 |
| 1 bedroom | 643 |
| 2 bedrooms | 2,143 |
| 3 bedrooms | 3,872 |
| 4 bedrooms | 1,416 |
| 5 or more bedrooms | 710 |
| Occupied housing units | 7,787 |
| Owner-occupied | 6,260 |
| Renter-occupied | 1,527 |
| Average household size of owner-occupied unit | 2.72 |
| Average household size of renter-occupied unit | 2.21 |
| Occupied housing units | 7,787 |
| Moved in 2017 or later | 664 |
| Moved in 2015 to 2016 | 1,672 |
| Moved in 2010 to 2014 | 1,155 |
| Moved in 2000 to 2009 | 1,690 |
| Moved in 1990 to 1999 | 1,275 |
| Moved in 1989 and earlier | 1,331 |
| Owner-occupied units | 6,260 |
| Less than $50,000 | 585 |
| $50,000 to $99,999 | 993 |
| $100,000 to $149,999 | 1,642 |
| $150,000 to $199,999 | 1,195 |
| $200,000 to $299,999 | 1,068 |
| $300,000 to $499,999 | 646 |
| $500,000 to $999,999 | 116 |
| $1,000,000 or more | 15 |
| Median (dollars) | 146,900 |
| Owner-occupied units | 6,260 |
| Housing units with a mortgage | 3,460 |
| Housing units without a mortgage | 2,800 |
| Occupied units paying rent | 1,368 |
| Less than $500 | 238 |
| $500 to $999 | 885 |
| $1,000 to $1,499 | 224 |
| $1,500 to $1,999 | 13 |
| $2,000 to $2,499 | 8 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 746 |
| No rent paid | 159 |
Demographic data for Buchanan County, IA and each city in the county. Lists of cities by population, wealth and poverty in Buchanan County, IA.
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