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COUNTY · 1990 CENSUS

Buchanan County

Iowa · 20,844 residents · 571.079 sq mi
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The short version

Buchanan County has lower-than-average household income, with a median household income of $23,386. Population has held roughly steady since 2000. 11% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $36,300.

At a glance
Lower income
below the US median
US median: $30,130
Mid-age
median age 33.5
US median: 33.0
Less educated
11% hold a bachelor's degree
US average: 20%
More affordable
home values down 37%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

20,844
−1%vs 2000
vs 21,093 in 2000
1990 – 2025
36 / sq mi
−1%vs 2000
vs 37 / sq mi in 2000
US average: 221
33.5
−8%vs 2000
vs 36.4 in 2000
US average: 33.0
Population, 19902024
21K21K21K21K21K1990201020202024Buchanan County
202421K
1990201020202024
Section 02

Income & economy

$23,386
−19%inflation adjusted, since 2000
vs $38,036 in 2000
US average: $30,130
1990 – 2024
$10,925
−41%vs 2000
vs $18,405 in 2000
US average: $14,340
16.7%
+7.3 ptsvs 2000
vs 9.4% in 2000
US average: 13.2%
Section 03

Housing

$36,300
−37%inflation adjusted, since 2000
vs $76,200 in 2000
US average: $93,722
1990 – 2024
$271
−5%inflation adjusted, since 2000
vs $376 in 2000
US average: $450
75.0%
−3.2 ptsvs 2000
vs 78.2% in 2000
25.0% rent
1.6
−23%vs 2000
vs 2.0 in 2000
1990 – 2024
RELATED:See current rent listings in Buchanan County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98%(20,667)
Black0.3%(54)
Hispanic / Latino0.6%(131)
Asian0.4%(85)
Other0%
Diversity Score3.2%(674)
1990
White, non-Hispanic99.4%(20,721)
Black0.2%(51)
Hispanic / Latino0.4%(86)
Asian0%(6)
Other0.3%(66)
Diversity Score2.5%(517)
2
−22%vs 2000
vs 3 in 2000
1990 – 2024
Section 05

Education

11.2%
−1.5 ptsvs 2000
vs 12.7% in 2000
US average: 20.3%
High school or higher
78.4%
−6.2 ptsvs 2000
vs 84.6% in 2000
US average: 75.2%
2.9%
−0.2 ptsvs 2000
vs 3.1% in 2000
US average: 7.1%
Section 06

Commute & transportation

28.4 min
+78%vs 2000
vs 15.9 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Buchanan County, Iowa?

Buchanan County, Iowa has about 20,844 residents according to the 1990 Census.

What is the median household income in Buchanan County, Iowa?

The typical household in Buchanan County, Iowa earns about $23,386 a year. Half of households make more than that, and half make less.

Is Buchanan County, Iowa expensive?

In Buchanan County, Iowa, the median home is worth about $36,300, and the typical rent is about $271 a month.

How educated are people in Buchanan County, Iowa?

About 11.2% of adults age 25 and over in Buchanan County, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Buchanan County, Iowa?

About 16.7% of people in Buchanan County, Iowa live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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