US Census Data

Buchanan County, Iowa

11 cities & places have their primary county here.

Population
20,645
-2.2%’19–’23
Median household income
$78,430
+21.0%’19–’23
Median home value
$171,400
+20.3%’19–’23

Buchanan County is a county in Iowa with a population of 20,645. 11 cities and places have their primary county here. Its median household income of $78,430 runs above the Iowa figure of $73,147.

Between 2019 and 2023, Buchanan County's population declined 2.2% from 21,118 to 20,645, while its median household income rose 21.0% from $64,837 to $78,430.

The typical home was built around 1971. 7.0% of residents live below the poverty line.

Demographics

ACS 2019–2023
Population
20,645
Median age
39.9 yrs
Median household income
$78,430
Median home value
$171,400
Median gross rent
$802
Housing units
8,946
Homeownership rate
81.1%
Bachelor's degree or higher
22.3%
Unemployment rate
2.7%

Trends

ACS 5-year · 2019–2023
Population
21,11820,645
Median household income
$64,837$78,430
Median home value
$142,500$171,400
Median gross rent
$678$802
YearPopulationMedian household incomeMedian home valueMedian gross rent
201921,118$64,837$142,500$678
202021,141$67,252$143,200$691
202120,598$71,024$146,900$746
202220,631$73,493$166,200$788
202320,645$78,430$171,400$802

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 51,3636.6%
5 to 173,94519.1%
18 to 241,4667.1%
25 to 342,25910.9%
35 to 442,59912.6%
45 to 542,36411.5%
55 to 642,87613.9%
65 to 742,25410.9%
75 and over1,5197.4%

Race & ethnicity

CountShare
White (non-Hispanic)19,66295.2%
Black or African American1540.7%
American Indian & Alaska Native200.1%
Asian460.2%
Native Hawaiian & Pacific Islander160.1%
Some other race00.0%
Two or more races3751.8%
Hispanic or Latino (any race)3721.8%

Educational attainment (age 25+)

CountShare
No high school diploma7445.4%
High school graduate5,00836.1%
Some college or associate's5,02336.2%
Bachelor's degree2,20215.9%
Graduate or professional degree8946.4%

Commute to work

Mean travel time to work
23 min

How workers get to work

CountShare
Drove alone8,25178.2%
Carpooled9418.9%
Public transit270.3%
Walked3303.1%
Bicycle380.4%
Worked from home9418.9%
Other means280.3%

Travel time

CountShare
Under 15 min3,55537.0%
15 to 29 min3,20933.4%
30 to 44 min1,73118.0%
45 to 59 min5455.7%
60+ min5756.0%

Households

Average household size
2.51
Poverty rate
7.0% (1,439 of 20,469)
CountShare
Family households5,56868.3%
Nonfamily households2,58231.7%

Housing

Median year structure built
1971

Occupancy

CountShare
Occupied8,15091.1%
Vacant7968.9%

Tenure (of occupied units)

CountShare
Owner-occupied6,60981.1%
Renter-occupied1,54118.9%

Units in structure

CountShare
1-unit, detached7,31581.8%
1-unit, attached1551.7%
2 to 4 units6577.3%
5 to 19 units1862.1%
20 or more units1411.6%
Mobile home & other4925.5%

Geography

County GEOID
19019
State
Iowa
Land area
571 sq mi
Water area
2.01 sq mi
Center point
42.4703, -91.8387

Cities & places

11

Compare with nearby counties

5

Iowa rankings

21

Other counties in Iowa

98