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Population Review

Butler County, Ohio Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 7th-largest in Ohio

The population of Butler County, Ohio is 389,910 as of the 2023 American Community Survey, making it the 7th-largest county in Ohio. The median household income is $81,194, the median home value is $243,000, and the median age is 37.1.

The population of Butler County has grown 8.2% since 2010 (369,111 → 399,542), a +0.57% annualized rate.

Butler County within Ohio · Source: US Census TIGER/Line via us-atlas

389,910

Population

+0.57%

Annual growth

836

People / sq mi

$81,194

Median Income

$243,000

Median Home Value

Butler County covers 467 sq mi of land at 835.8 people per square mile.

About Butler County, OH

Butler County is a county in Ohio with a population of 389,910. It ranks #7 among counties in Ohio by population. The median age is 37.1, younger than the national median. The population is 49.4% male and 50.6% female.

The median household income in Butler County is $81,194, above the US median of $74,580. 7.6% of residents live below the federal poverty level. Home values sit at a median of $243,000, with monthly rent averaging $1,098. The homeownership rate of 69.9% is higher than the national rate of 64.8%.

Educational attainment in Butler County reflects 32.5% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 11.8% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 24.9 minutes each way.

Butler County Population History (2010-2024)

The county of Butler County had a population of 369,111 in 2010 and 399,542 in 2024, a 8.2% growth over 14 years. The peak was 399,542 in 2024. Average annual growth rate: 0.57%.

2024 · 400K20102024

399,542

Population (2024)

369,111

Population (2010)

399,542

Peak (2024)

0.57%

Avg Annual Growth

YearPopulation
2010369,111
2011370,164
2012370,628
2013371,497
2014373,877
2015376,173
2016378,527
2017380,751
2018382,114
2019383,603
2020390,887
2021387,671
2022390,689
2023395,593
2024399,542

Race & Ethnicity

White77.9%
Black or African American8.3%
Asian0.0%
Hispanic or Latino (any race)0.8%
Two or More Races0.0%

Age & Sex

37.1

Median Age

50.6%

Female

49.4%

Male

15.5%

Age 65+

Age Distribution

Under 5
5.9%
5–9
6.7%
10–14
6.7%
15–19
7.7%
20–24
8.5%
25–34
11.8%
35–44
12.4%
45–54
12.0%
55–59
6.2%
60–64
6.6%
65–74
9.5%
75–84
4.2%
85+
1.8%

Children (under 15): 19.3% · Seniors (65+): 15.5%

Income & Poverty

Median household income$81,194+$11,514 vs state
Mean household income$103,524
Per-capita income$39,425
Poverty rate7.6%-1.6% vs state
Unemployment rate3.0%
Employment-to-population60.3%

Top Industries by Employment

Professional & business services
22.9%
Manufacturing
16.6%
Finance & real estate
9.8%
Education & health care
9.0%
Information
7.1%
Construction
6.2%
Retail trade
5.5%
Arts, entertainment & food
4.0%

The largest employment sector in Butler County is professional & business services, accounting for 22.9% of workers.

How residents commute

0.3%

Drive alone

1.8%

Carpool

76.7%

Public transit

11.8%

Work from home

24.9 min

Avg commute

Housing

$243,000+$43,800 vs state

Median home value

$1,098

Median rent

69.9%

Homeownership rate

154,777

Total housing units

93.8%

Occupied

6.2%

Vacant

30.1%

Renter-occupied

Social & access

93.7%

With health insurance

95.0%

With broadband internet

21.8%

Foreign-born

6.1%

Veterans (18+)

11.8%

With a disability

89.8%

Speak language other than English at home

Education

91.2%

High School+

32.5%

Bachelor's+

Largest cities in Ohio

Other counties in Ohio

Part of Ohio

Metro areas in Ohio

County rankings

Common questions about Butler County, OH

Frequently Asked Questions

Butler County, Ohio has a population of 389,910 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 7th-largest county in Ohio. Population density is 836 people per square mile.

The population of Butler County has grown 8.2% since 2010 (369,111 → 399,542), a +0.57% annualized rate.

The median household income in Butler County, Ohio is $81,194, with mean (average) household income of $103,524 and per-capita income of $39,425. 7.6% of residents live below the federal poverty level.

In Butler County, the largest racial and ethnic groups are White (77.9%), Black or African American (8.3%), Hispanic or Latino (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Butler County, Ohio is 37.1 years. Residents are 50.6% female and 49.4% male.

The median home value in Butler County is $243,000 and median monthly rent is $1,098. 69.9% of occupied housing units are owner-occupied. The county has 154,777 total housing units, 6.2% of which are vacant.

The largest employment sector in Butler County, Ohio is professional, scientific, and management services, employing 22.9% of workers. The unemployment rate is 3.0%.

Columbus is among the largest cities associated with Butler County, Ohio, with a population of 906,480.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.