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COUNTY · 2000 CENSUS

Buchanan County

Iowa · 21,093 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 $38,036. Population has held roughly steady since 1990. 13% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has more than doubled since 1990, reaching $76,200.

At a glance
Lower income
below the US median
US median: $42,589
Mid-age
median age 36.4
US median: 35.2
Less educated
13% hold a bachelor's degree
US average: 24%
Less affordable
home values up 59%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
21,093
+1%since 1990
from 20,844 in 1990
1990 – 2025
Population density
37 / sq mi
+1%since 1990
from 36 / sq mi in 1990
US average: 242
Median age
36.4
+9%since 1990
from 33.5 in 1990
US average: 35.2
Population, 1990 – 2024
21K21K21K21K21K1990201020202024Buchanan County
202421K
1990201020202024
Section 02

Income & economy

Median household income
$38,036
+23%inflation adjusted, since 1990
from $23,386 in 1990
US average: $42,589
1990 – 2024
Per capita income
$18,405
+68%since 1990
from $10,925 in 1990
US average: $21,522
Poverty rate
9.4%
−7.3 ptssince 1990
from 16.7% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$76,200
+59%inflation adjusted, since 1990
from $36,300 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$376
+5%inflation adjusted, since 1990
from $271 in 1990
US average: $602
Owner-occupied
78.2%
+3.2 ptssince 1990
from 75.0% in 1990
21.8% rent
Afford Score
2.0
+29%since 1990
from 1.6 in 1990
1990 – 2024
RELATED:See current rent listings in Buchanan County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic99.4%(20,721)
Black0.2%(51)
Hispanic / Latino0.4%(86)
Asian0%(6)
Diversity Score2.5%(517)
2000
White, non-Hispanic98%(20,667)
Black0.3%(54)
Hispanic / Latino0.6%(131)
Asian0.4%(85)
Diversity Score3.2%(674)
Diversity Score
3
+29%since 1990
from 2 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
12.7%
+1.5 ptssince 1990
from 11.2% in 1990
US average: 24.4%
High school or higher
84.6%
+6.2 ptssince 1990
from 78.4% in 1990
US average: 80.3%
Graduate degree
3.1%
+0.2 ptssince 1990
from 2.9% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
15.9 min
−44%since 1990
from 28.4 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Buchanan County

Banks County
Pop 21,273
Morgan County
Pop 22,095
Douglas County
Pop 19,880
Colusa County
Pop 21,836
Places similar to Buchanan County
Head to head

Compare Buchanan County to nearby counties

BUCHANAN COUNTY VS
Black Hawk County
Income$66,417+75%
Home value$188,900+148%
Population131,532+530%
SEE FULL COMPARISON →
BUCHANAN COUNTY VS
Delaware County
Income$74,989+97%
Home value$177,900+133%
Population17,674−15%
SEE FULL COMPARISON →
BUCHANAN COUNTY VS
Fayette County
Income$60,165+58%
Home value$136,800+80%
Population19,047−9%
SEE FULL COMPARISON →
BUCHANAN COUNTY VS
Benton County
Income$86,962+129%
Home value$208,200+173%
Population26,004+25%
SEE FULL COMPARISON →
Frequently asked

How many people live in Buchanan County, Iowa?

Buchanan County, Iowa has about 21,093 residents according to the 2000 Census.

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

The typical household in Buchanan County, Iowa earns about $38,036 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 $76,200, and the typical rent is about $376 a month.

How educated are people in Buchanan County, Iowa?

About 12.7% 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 9.4% of people in Buchanan County, Iowa live below the federal poverty line.

Has Buchanan County, Iowa grown since 1990?

Yes, Buchanan County, Iowa has grown since 1990. The population has added about 249 residents, a change of about 1 percent over that period.

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Explore from here

6 census tracts
Census Tract 9506Census Tract 9505Census Tract 9502Census Tract 9503Census Tract 9504Census Tract 9501
10 ZIP codes
ZIP 50644ZIP 50629ZIP 50641ZIP 50682ZIP 52210ZIP 52326ZIP 52329ZIP 50650ZIP 50607ZIP 50654
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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