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COUNTY · 2000 CENSUS

Butler County

Iowa · 15,305 residents · 580 sq mi
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The short version

Butler County is home to 15,305 people in Iowa. The median age is 41.3, about 6 years above the US median. Owners hold 80% of the housing stock. About 12% of adults have finished a four-year degree. The typical home is worth $66,500, having more than doubled since 1990. Median rent is $351 a month.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 41.3
US median: 35.2
Less educated
12% hold a bachelor's degree
US average: 24%
Less affordable
home values up 62%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

15,305
−3%since 1990
from 15,731 in 1990
1990 – 2025
41.3
+9%since 1990
from 37.9 in 1990
US average: 35.2
Land area
580 sq mi
Population, 19902024
14K15K15K15K16K19902000201020202024Butler County
202414K
1990201020202024
Age distribution, 2000
Under 55.5%(847)
US avg: 6.8%
5 to 96.6%(1,015)
US avg: 7.3%
10 to 147.3%(1,123)
US avg: 7.3%
15 to 197.2%(1,098)
US avg: 7.2%
20 to 244.1%(631)
US avg: 6.7%
25 to 3410.5%(1,607)
US avg: 14.2%
35 to 4414.4%(2,205)
US avg: 16%
45 to 5414.4%(2,201)
US avg: 13.4%
55 to 649.8%(1,501)
US avg: 8.6%
65 to 749.1%(1,400)
US avg: 6.5%
75 to 847.7%(1,186)
US avg: 4.4%
85 and over3.2%(491)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$35,883
+17%inflation adjusted, since 1990
from $23,292 in 1990
US average: $42,589
1990 – 2024
$17,036
+58%since 1990
from $10,803 in 1990
US average: $21,522
8.0%
−2.7 ptssince 1990
from 10.7% in 1990
US average: 12.4%
Section 03

Housing

$66,500
+62%inflation adjusted, since 1990
from $31,200 in 1990
US average: $120,530
1990 – 2024
$351
−5%inflation adjusted, since 1990
from $279 in 1990
US average: $602
80.4%
+2.8 ptssince 1990
from 77.6% in 1990
19.6% rent
Section 04

Race & ethnicity

1990
White, non-Hispanic99.7%(15,681)
Black0.1%(10)
Hispanic / Latino0.1%(14)
Asian0.2%(25)
2000
White, non-Hispanic98.6%(15,086)
Black0.1%(13)
Hispanic / Latino0.6%(89)
Asian0.2%(31)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican1.5%(215)
Bolivian0.1%(18)
Guatemalan0.1%(15)
Asian origin
Filipino0.8%(109)
Korean0.3%(36)
Burmese0.2%(23)
Pacific Islander origin
Samoan0.1%(8)
Ancestry
German47.6%(6,793)
Irish10.6%(1,517)
English7%(994)
American5.2%(738)
Dutch4.2%(601)
Norwegian3%(431)
Scottish1.4%(194)
Swedish1.3%(192)
French1.2%(168)
Italian1.2%(167)
Polish1.1%(154)
Danish1%(140)
+ 20 more ancestry groups with data
Czech0.7%(93)
Scotch-Irish0.5%(67)
Welsh0.4%(57)
British0.3%(46)
Austrian0.3%(36)
Finnish0.2%(31)
Arab0.2%(29)
Lebanese0.2%(29)
Lithuanian0.2%(25)
Swiss0.2%(24)
Russian0.1%(20)
Portuguese0.1%(18)
Canadian0.1%(13)
Hungarian0.1%(11)
Ukrainian0.1%(10)
Latvian0%(4)
Greek0%(2)
Section 05

Education

12.4%
+3.0 ptssince 1990
from 9.4% in 1990
US average: 24.4%
High school or higher
82.2%
+10.4 ptssince 1990
from 71.8% in 1990
US average: 80.3%
3.3%
+0.8 ptssince 1990
from 2.5% in 1990
US average: 8.8%
Section 06

Commute & transportation

15.1 min
−53%since 1990
from 32.5 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.

Marital status
Men 15+
Never married21.2%(1,264)
Married67%(3,999)
Widowed4.8%(288)
Divorced7%(416)
Women 15+
Never married14.7%(932)
Married64.1%(4,058)
Widowed15.1%(953)
Divorced6.1%(389)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

3.2%
−4.4 ptssince 2013
from 7.6% in 2013
US average: 8.4%
57.9%
+2.9 ptssince 2020
from 55.0% in 2020
US average: 54.8%
Direct-purchase
18.7%
−3.4 ptssince 2020
from 22.1% in 2020
US average: 13.8%
24.5%
+0.9 ptssince 2020
from 23.6% in 2020
US average: 18.4%
18.5%
+1.7 ptssince 2020
from 16.8% in 2020
US average: 20.9%
VA health care
2.3%
−0.4 ptssince 2020
from 2.7% in 2020
US average: 2.2%
Any private
74.9%
−0.7 ptssince 2020
from 75.6% in 2020
US average: 67.1%
Any public
40.8%
+2.7 ptssince 2020
from 38.1% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)11.6%(89)
US avg: 26.4%
Gulf War (1990s)21.6%(166)
US avg: 24.3%
Vietnam era49.2%(377)
US avg: 33.1%
Korean War4.7%(36)
US avg: 4.5%
World War II1.4%(11)
US avg: 1%

Share of the 767 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Butler County, Iowa?

Butler County, Iowa has about 15,305 residents according to the 2000 Census.

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

The typical household in Butler County, Iowa earns about $35,883 a year. Half of households make more than that, and half make less.

Is Butler County, Iowa expensive?

In Butler County, Iowa, the median home is worth about $66,500, and the typical rent is about $351 a month.

How educated are people in Butler County, Iowa?

About 12.4% of adults age 25 and over in Butler County, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Butler County, Iowa?

About 8.0% of people in Butler County, Iowa live below the federal poverty line.

Has Butler County, Iowa grown since 1990?

Yes, Butler County, Iowa has shrunk since 1990. The population has lost about 426 residents, a change of about -3 percent over that period.

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

How we source and harmonize this data →