Pennsylvania Citizen Population By County in 2016 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2016, the citizen population for Pennsylvania was 12,390,670 and represented 96.92% of the total Pennsylvania population.

Among all Pennsylvania counties, Philadelphia had the highest citizen population (1.46M), followed by Allegheny (1.19M), and Montgomery (778.68K).

In terms of percentages, Fulton had the highest percentage of its population being citizens (99.83%), followed by Jefferson (99.78%), and Armstrong (99.77%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

You can see similar information for other states and by state for the United States.

You may also be interested in:
Pennsylvania Citizen Voting-age Population By County in 2016

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

Pennsylvania Citizen Population By County in 2016

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County	Citizen Population	% of County Population
Philadelphia	1456865	93.39
Allegheny	1192495	96.92
Montgomery	778680	95.44
Bucks	606435	96.84
Delaware	538125	95.70
Lancaster	521970	97.91
Chester	485130	94.75
York	433190	98.32
Berks	399100	96.38
Westmoreland	357555	99.49
Lehigh	343115	95.63
Luzerne	309160	96.94
Northampton	291900	97.13
Erie	272190	97.51
Dauphin	262090	96.37
Cumberland	236840	97.13
Lackawanna	206935	97.15
Washington	206255	99.03
Butler	184390	99.15
Beaver	168385	99.52
Monroe	161510	96.64
Centre	150100	94.30
Franklin	149825	98.11
Schuylkill	144055	99.00
Cambria	137025	99.47
Lebanon	134455	98.18
Fayette	133605	99.53
Blair	125460	99.64
Lycoming	115485	99.29
Mercer	113910	99.40
Adams	99290	97.57
Northumberland	93150	99.53
Lawrence	88135	99.55
Indiana	86750	99.15
Crawford	86515	99.41
Clearfield	79295	97.69
Somerset	75840	99.53
Armstrong	67355	99.77
Columbia	66045	98.91
Carbon	63845	99.25
Bradford	61515	99.52
Pike	54555	97.06
Venango	53300	99.70
Wayne	50835	99.08
Bedford	48715	99.72
Mifflin	46380	99.56
Huntingdon	45575	99.41
Perry	45305	99.26
Jefferson	44475	99.78
Union	44210	97.85
McKean	42285	99.24
Tioga	41830	99.52
Susquehanna	41540	99.31
Warren	40460	99.53
Snyder	39965	99.30
Clinton	39250	99.28
Clarion	38775	99.58
Greene	37535	99.64
Elk	31035	99.76
Wyoming	27865	99.61
Juniata	24525	98.85
Montour	18100	98.34
Potter	17145	99.45
Fulton	14630	99.83
Forest	7415	98.93
Sullivan	6225	98.81
Cameron	4770	99.27