Butler County News

There were 422 more people living in Butler County in 2021 compared to 2020, according to population estimates from the US Census Bureau.

This is less than a one percent rise in Butler County’s population, from 193,851 in 2020 to 194,273 in 2021.

Butler County had the 19th largest population in Pennsylvania in 2021.

The US Census Bureau found more than 73 percent of counties in the US saw a natural decrease in population in 2021. This is up from a 55.5 percent increase in 2020.

The Midwest suffered the most sustained population decreases, with many counties along the US East Coast and through the Rocky Mountains seeing increases.

The US population continues to grow, though at a slower rate than before.

County	2020 Estimated Population	2021 Estimated Population	% Change in Population From Year to Year
Pike County	58,591	59,952	2.3%
Forest County	6,952	7,032	1.2%
Cumberland County	259,996	262,919	1.1%
Carbon County	64,751	65,412	1%
Chester County	534,645	538,649	0.7%
Wayne County	51,101	51,431	0.6%
Monroe County	168,248	169,273	0.6%
Sullivan County	5,838	5,868	0.5%
York County	456,389	458,696	0.5%
Montgomery County	856,947	860,578	0.4%
Perry County	45,821	45,986	0.4%
Schuylkill County	142,777	143,264	0.3%
Adams County	103,795	104,127	0.3%
Columbia County	64,667	64,872	0.3%
Clinton County	37,350	37,465	0.3%
Luzerne County	325,057	326,053	0.3%
Dauphin County	286,544	287,400	0.3%
Lehigh County	374,504	375,539	0.3%
Franklin County	155,874	156,289	0.3%
Northampton County	312,855	313,628	0.2%
Butler County	193,851	194,273	0.2%
Lancaster County	552,597	553,652	0.2%
Lebanon County	143,242	143,493	0.2%
Berks County	428,694	429,342	0.2%
Washington County	209,157	209,470	0.1%
Mifflin County	46,073	46,136	0.1%
Wyoming County	26,001	26,034	0.1%
Susquehanna County	38,354	38,389	0.1%
Lackawanna County	215,516	215,663	0.1%
Bradford County	59,858	59,892	0.1%
Bucks County	646,008	646,098	0%
Clarion County	37,178	37,156	-0.1%
Tioga County	40,969	40,929	-0.1%
Bedford County	47,523	47,461	-0.1%
Union County	42,625	42,568	-0.1%
Montour County	18,115	18,087	-0.2%
Fulton County	14,549	14,523	-0.2%
Northumberland County	91,471	91,266	-0.2%
Snyder County	39,717	39,621	-0.2%
Centre County	157,929	157,527	-0.3%
Westmoreland County	353,998	353,057	-0.3%
Indiana County	83,116	82,886	-0.3%
Huntingdon County	44,030	43,889	-0.3%
Mercer County	110,333	109,972	-0.3%
Lycoming County	113,980	113,605	-0.3%
Clearfield County	80,394	80,082	-0.4%
Somerset County	73,917	73,627	-0.4%
Lawrence County	85,865	85,497	-0.4%
Delaware County	576,388	573,849	-0.4%
Crawford County	83,723	83,351	-0.4%
Elk County	30,927	30,783	-0.5%
Erie County	270,427	269,011	-0.5%
Armstrong County	65,445	65,093	-0.5%
Potter County	16,356	16,259	-0.6%
Cambria County	132,957	132,167	-0.6%
Blair County	122,518	121,767	-0.6%
Juniata County	23,451	23,297	-0.7%
Beaver County	167,732	166,624	-0.7%
Venango County	50,275	49,938	-0.7%
Jefferson County	44,431	44,114	-0.7%
Allegheny County	1,248,717	1,238,090	-0.9%
Warren County	38,480	38,134	-0.9%
McKean County	40,306	39,941	-0.9%
Fayette County	128,393	126,931	-1.1%
Greene County	35,813	35,369	-1.2%
Cameron County	4,519	4,459	-1.3%
Philadelphia County	1,601,005	1,576,251	-1.5%