Butler Population

1820–2026

12,752

2026 projection

5.6% since 2020 (decrease)

05K10K15K20K25K1850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal 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. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202612,752-1270.99%
202512,879-970.75%
202412,976-1170.89%
202313,093-750.57%
202213,168-1561.17%
202113,324-1781.32%
202013,502+70.05%
201913,495-230.17%
201813,518-400.30%
201713,558-150.11%

Showing 10 of 36 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Butler has a population change lower than Butler County, Pennsylvania, and the U.S.

  • Butler County+3.2%
  • United States+3.1%
  • Pennsylvania+0.5%
  • Butler−4.5%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Butler Demographics

38.1median age

Median age

Female40.7 yrs
Male36.4 yrs

Adults

10,705
1,642 seniors (65+) · 15% of adults9,063 other adults

Sex

Female 48% · 6,347Male 52% · 6,865

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 132 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 Income

$44,247median household income

Median household income

$44,247

Half of households earn more, half earn less

Median earnings

$41,481

Typical yearly pay for a worker 25 or older.

Poverty rate

21.4%

About 1 in 5 residents

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

Butler Marital Status

31% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married31%31%31%
Never married45%52%37%
Divorced16%12%20%
Widowed6%2%11%
Separated2%3%1%

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