US Census Data

Butler County vs O'Brien County

A side-by-side comparison of Butler County and O'Brien County: population, income, housing, and more.

Butler County and O'Brien County are counties in Iowa. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Butler County has the higher population (14,301 vs 14,103 in O'Brien County). Butler County has the higher median household income ($69,651 vs $68,216 in O'Brien County). O'Brien County has the higher median home value ($158,900 vs $156,500 in Butler County).

Population, income & housing

Butler CountyO'Brien County
Population14,30114,103
Median age43.7 yrs39.8 yrs
Median household income$69,651$68,216
Median home value$156,500$158,900
Median gross rent$780$770
Housing units6,5696,544
Homeownership rate80.0%77.3%
Bachelor's degree or higher20.4%22.5%
Unemployment rate3.4%1.2%

Trends (ACS 5-year, 2019–2023)

Butler CountyO'Brien County
Population14,628 → 14,301 (-2.2%)13,835 → 14,103 (+1.9%)
Median household income$57,115 → $69,651 (+21.9%)$53,703 → $68,216 (+27.0%)
Median home value$116,700 → $156,500 (+34.1%)$107,000 → $158,900 (+48.5%)
Median gross rent$598 → $780 (+30.4%)$585 → $770 (+31.6%)

Butler County

Population
14,62814,301
Median household income
$57,115$69,651
Median home value
$116,700$156,500
Median gross rent
$598$780

O'Brien County

Population
13,83514,103
Median household income
$53,703$68,216
Median home value
$107,000$158,900
Median gross rent
$585$770

Age & race/ethnicity

Age distribution (share)

Butler CountyO'Brien County
Under 55.1%6.6%
5 to 1717.4%17.8%
18 to 246.7%7.2%
25 to 3410.3%12.0%
35 to 4412.1%12.5%
45 to 5411.6%10.0%
55 to 6413.9%12.8%
65 to 7412.7%11.1%
75 and over10.1%10.0%

Race & ethnicity (share)

Butler CountyO'Brien County
White (non-Hispanic)94.9%88.5%
Black or African American0.2%1.3%
American Indian & Alaska Native0.1%0.2%
Asian1.2%0.6%
Native Hawaiian & Pacific Islander0.0%0.3%
Some other race0.6%0.1%
Two or more races1.4%1.8%
Hispanic or Latino1.6%7.2%

Educational attainment (age 25+)

Share of adults 25+

Butler CountyO'Brien County
No high school diploma6.4%9.7%
High school graduate36.9%35.6%
Some college or associate's36.2%32.2%
Bachelor's degree15.6%17.5%
Graduate or professional degree4.8%5.0%

Commute to work

How workers get to work (share)

Butler CountyO'Brien County
Drove alone83.2%82.3%
Carpooled7.8%8.6%
Public transit0.0%0.1%
Walked2.3%2.0%
Bicycle0.2%0.1%
Worked from home5.9%6.2%
Other means0.5%0.7%

Housing

Units in structure (share)

Butler CountyO'Brien County
1-unit, detached89.1%83.6%
1-unit, attached0.5%2.3%
2 to 4 units5.2%3.0%
5 to 19 units2.8%4.2%
20 or more units0.9%4.6%
Mobile home & other1.6%2.3%

Poverty & households

Butler CountyO'Brien County
Poverty rate10.7%13.8%
Average household size2.392.36
Mean commute (minutes)2518
Median year structure built19561959

Full profiles

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