Butler County Population

1810–2026

12,560

2026 projection

1.9% since 2020 (increase)

05K10K15K20K1850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Butler County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202612,560+400.32%
202512,520+400.32%
202412,480+530.43%
202312,427+440.36%
202212,383+790.64%
202112,304-170.14%
202012,321-5404.20%
201912,861+1301.02%
201812,731-610.48%
201712,792+1010.80%

Showing 10 of 36 years.

Butler County Demographics

41.5median age

Median age

Female43.3 yrs
Male40.2 yrs

Adults

9,526
2,406 seniors (65+) · 25% of adults7,120 other adults

Sex

Female 48.2% · 5,979Male 51.8% · 6,414

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 124 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Butler County Income

$56,092median household income

Median household income

$56,092

Half of households earn more, half earn less

Median earnings

$44,732

Typical yearly pay for a worker 25 or older.

Poverty rate

20.5%

About 1 in 5 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Butler County Marital Status

50% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married50%50%50%
Never married26%29%24%
Divorced13%15%12%
Widowed8%3%13%
Separated2%3%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201