Butler County Population

1860–2026

69,842

2026 projection

3.6% since 2020 (increase)

010K20K30K40K50K60K70K186018801900192019401960198020002020

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.
202669,842+3580.52%
202569,484+3580.52%
202469,126+5550.81%
202368,571+3350.49%
202268,236+2530.37%
202167,983+5950.88%
202067,388+4560.68%
201966,932+450.07%
201866,887-290.04%
201766,916+1930.29%

Showing 10 of 31 years.

Butler County Demographics

38.4median age

Median age

Female39.4 yrs
Male37.6 yrs

Adults

51,491
11,091 seniors (65+) · 22% of adults40,400 other adults

Sex

Female 49.2% · 33,601Male 50.8% · 34,686

Population by age

MaleFemale85+ years, male: 39385+ years, female: 92580–84 years, male: 42980–84 years, female: 54975–79 years, male: 99375–79 years, female: 97770–74 years, male: 1,32570–74 years, female: 1,57865–69 years, male: 2,05065–69 years, female: 1,87260–64 years, male: 2,20860–64 years, female: 2,20955–59 years, male: 2,13655–59 years, female: 2,16150–54 years, male: 2,00250–54 years, female: 2,01545–49 years, male: 2,24245–49 years, female: 1,96240–44 years, male: 2,23340–44 years, female: 2,21235–39 years, male: 2,67735–39 years, female: 2,26130–34 years, male: 2,24930–34 years, female: 2,18525–29 years, male: 2,00625–29 years, female: 1,66820–24 years, male: 2,20420–24 years, female: 1,81515–19 years, male: 2,76615–19 years, female: 2,62310–14 years, male: 2,61110–14 years, female: 2,7515–9 years, male: 2,2795–9 years, female: 2,0070–4 years, male: 1,8830–4 years, female: 1,83185+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

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 683 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

$81,610median household income

Median household income

$81,610

Half of households earn more, half earn less

Median earnings

$53,415

Typical yearly pay for a worker 25 or older.

Poverty rate

8.6%

About 1 in 12 residents

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

Butler County Marital Status

57% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married57%57%57%
Never married26%30%22%
Divorced11%10%11%
Widowed5%2%8%
Separated1%<1%1%

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

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year