Demographics of Butler County, Pennsylvania

Butler County, Pennsylvania had 200,169 people on July 1, 2025, by the Census Bureau’s estimate: +6,143 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Butler County, in four figures

200,169
Population: July 1, 2025, Vintage 2025 estimate.; +3.2%
Change since July 2020: +6,143 people.; 43.4 ±0.2
Median age: ACS 2020–⁠2024.; $89,843 ±$2,409
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Butler County, Pennsylvania's population grew 3.2% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Butler County, Pennsylvania's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Butler County, Pennsylvania's population grew 3.2% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Butler County, Pennsylvania's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	194,026	100.0	100.0
2021	196,738	101.4	100.2
2022	197,374	101.7	100.7
2023	198,657	102.4	101.6
2024	199,300	102.7	102.5
2025	200,169	103.2	103.1

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Population of Butler County, Pennsylvania on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	194,026	+310	−46	0	+320
2021	196,738	+2,712	−787	+34	+3,575
2022	197,374	+636	−761	+166	+1,316
2023	198,657	+1,283	−505	+249	+1,548
2024	199,300	+643	−452	+229	+862
2025	200,169	+869	−454	+115	+1,200

Age, 2020–2024

The median age is 43.4 ±0.2: for men 42.6 ±0.3 and for women 44.4 ±0.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Butler County by age, ACS 2020–2024
Age	People	Share	Pennsylvania	United States
Under 5	9,406 ±148	4.8% ±0.1	5.2% ±<0.1	5.6% ±<0.1
5 to 17	28,574 ±738	14.5% ±0.4	15.2% ±0.1	16.3% ±<0.1
18 to 24	17,336 ±636	8.8% ±0.3	9.0% ±<0.1	9.1% ±<0.1
25 to 44	46,775 ±923	23.7% ±0.5	25.5% ±0.1	26.9% ±<0.1
45 to 64	54,468 ±1,010	27.6% ±0.5	25.6% ±0.1	24.8% ±<0.1
65 and over	40,695 ±1,100	20.6% ±0.6	19.5% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $89,843 ±$2,409, and income per person $49,125 ±$1,342, in 2024 dollars. The median is $77,971 ±$342 in Pennsylvania and $80,734 ±$166 in the United States.

Households by income

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Households in Butler County by income, ACS 2020–2024
Household income	Households	Share	Pennsylvania	United States
Under $25,000	10,311 ±734	12.8% ±0.9	15.1% ±0.1	14.6% ±<0.1
$25,000 to $49,999	12,052 ±746	14.9% ±0.9	17.4% ±0.1	16.7% ±<0.1
$50,000 to $74,999	12,542 ±716	15.5% ±0.9	15.9% ±0.1	15.5% ±<0.1
$75,000 to $99,999	9,687 ±746	12.0% ±0.9	12.8% ±0.1	12.6% ±<0.1
$100,000 to $149,999	16,210 ±906	20.1% ±1.1	17.7% ±0.1	17.5% ±<0.1
$150,000 to $199,999	8,795 ±591	10.9% ±0.7	9.3% ±0.1	9.6% ±<0.1
$200,000 or more	11,227 ±756	13.9% ±0.9	11.8% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Butler County by age, ACS 2020–2024
Age	Below poverty	Rate	Pennsylvania	United States
All ages	15,637 ±1,135	8.1% ±0.6	11.7% ±0.1	12.5% ±0.1
Under 18	2,742 ±413	7.3% ±1.1	15.6% ±0.2	16.1% ±0.1
18 to 59	8,689 ±749	8.8% ±0.7	11.0% ±0.2	11.6% ±0.1
60 and over	4,206 ±446	7.6% ±0.8	10.1% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Butler County, ACS 2020–2024
Measure	Butler County	Pennsylvania	United States
Housing units	87,382 ±109	5,806,452 ±672	143,775,355 ±10,234
Occupied	92.5% ±0.7	90.8% ±0.2	89.9% ±0.1
Vacant	7.5% ±0.7	9.2% ±0.2	10.1% ±0.1
Owner occupied	76.9% ±0.8	69.3% ±0.3	65.2% ±0.3
Renter occupied	23.1% ±1.1	30.7% ±0.2	34.8% ±0.1
Median home value	$294,200 ±$5,907	$254,500 ±$767	$332,700 ±$236
Median gross rent	$1,041 ±$35	$1,209 ±$5	$1,413 ±$2
Median year built	1980 ±1	1965 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Butler County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Pennsylvania	United States
Hispanic or Latino	3,981 ±0	2.0% ±<0.1	8.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	181,959 ±594	92.2% ±0.3	73.0% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	2,096 ±268	1.1% ±0.1	10.3% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	2,832 ±278	1.4% ±0.1	3.8% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	12 to 80	< 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	7 to 65	< 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	983 ±449	0.5% ±0.2	0.5% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	5,321 ±530	2.7% ±0.3	3.6% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Butler County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Pennsylvania	United States
Born in the state	160,936 ±1,291	81.6% ±0.7	70.6% ±0.1	57.3% ±<0.1
Born in another state	30,203 ±1,280	15.3% ±0.6	19.8% ±0.1	26.9% ±<0.1
Born a citizen outside the states	1,341 ±341	0.7% ±0.2	1.9% ±<0.1	1.7% ±<0.1
Born abroad	4,774 ±421	2.4% ±0.2	7.7% ±0.1	14.1% ±<0.1
Naturalized citizens	2,601 ±374	1.3% ±0.2	4.3% ±0.1	7.4% ±<0.1
Not citizens	2,173 ±334	1.1% ±0.2	3.4% ±0.1	6.8% ±<0.1

Butler County among the counties of Pennsylvania

19th of 67 by population, July 2025. Every one is listed on the Pennsylvania page.

Counties of Pennsylvania near Butler County in population, July 2025
County	July 2025	Change since 2020
Dauphin County	293,351	+2.3%
Cumberland County	277,270	+6.5%
Erie County	265,832	−1.8%
Lackawanna County	216,502	+0.5%
Washington County	210,802	+0.7%
Butler County	200,169	+3.2%
Monroe County	167,179	−0.7%
Beaver County	166,032	−1.1%
Franklin County	160,652	+3.0%
Centre County	157,393	−0.4%
Lebanon County	146,380	+2.2%

Elsewhere on the site

Rankings this appears in

No. 7 Counties by population growth in Pennsylvania
No. 19 Counties by population in Pennsylvania
No. 170 Counties by per capita income
No. 213 Counties by median household income

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — counties and Puerto Rico municipios, with components of change and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026