Butler County Population

1800–2026

201.04K

2026 projection

3.6% since 2020 (increase)

050K100K150K200K250K18001850190019502000

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.
2026201,038+8690.43%
2025200,169+8690.44%
2024199,300+6430.32%
2023198,657+1,2830.65%
2022197,374+6360.32%
2021196,738+2,7121.40%
2020194,026+5,7133.03%
2019188,313+2820.15%
2018188,031+9480.51%
2017187,083+6560.35%

Showing 10 of 37 years.

Butler County Demographics

43.4median age

Median age

Female44.4 yrs
Male42.6 yrs

Adults

159,274
40,695 seniors (65+) · 26% of adults118,579 other adults

Sex

Female 50.2% · 98,985Male 49.8% · 98,269

Population by age

MaleFemale85+ years, male: 1,56385+ years, female: 3,00480–84 years, male: 2,19380–84 years, female: 2,53875–79 years, male: 3,16275–79 years, female: 4,04770–74 years, male: 4,89670–74 years, female: 5,48265–69 years, male: 6,91265–69 years, female: 6,89860–64 years, male: 7,86760–64 years, female: 7,84955–59 years, male: 7,05555–59 years, female: 7,00350–54 years, male: 6,74750–54 years, female: 6,58445–49 years, male: 5,81445–49 years, female: 5,54940–44 years, male: 5,95440–44 years, female: 6,20035–39 years, male: 6,81735–39 years, female: 5,96730–34 years, male: 5,93930–34 years, female: 5,66325–29 years, male: 5,31725–29 years, female: 4,91820–24 years, male: 5,63320–24 years, female: 5,60615–19 years, male: 6,54915–19 years, female: 6,52110–14 years, male: 5,73210–14 years, female: 5,4405–9 years, male: 5,3955–9 years, female: 5,0340–4 years, male: 4,7240–4 years, female: 4,68285+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–42K2K4K4K6K6K

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 1,973 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

$89,843median household income

Median household income

$89,843

Half of households earn more, half earn less

Median earnings

$58,936

Typical yearly pay for a worker 25 or older.

Poverty rate

8.2%

About 1 in 12 residents

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

Butler County Marital Status

55% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married55%56%53%
Never married29%32%26%
Divorced10%9%10%
Widowed6%3%9%
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