Pennsylvania Citizen Population By County in 2013 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2013, the citizen population for Pennsylvania was 12,361,155 and represented 97.09% of the total Pennsylvania population.

Among all Pennsylvania counties, Philadelphia had the highest citizen population (1.44M), followed by Allegheny (1.19M), and Montgomery (769.01K).

In terms of percentages, Armstrong had the highest percentage of its population being citizens (99.80%), followed by Fulton (99.80%), and Elk (99.76%).

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 2013

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

See this for other years:

Pennsylvania Citizen Population By County in 2013

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County	Citizen Population	% of County Population
Philadelphia	1441300	93.79
Allegheny	1193985	97.31
Montgomery	769010	95.57
Bucks	607365	97.03
Delaware	535175	95.61
Lancaster	511995	97.84
Chester	477130	94.84
York	429700	98.48
Berks	396455	96.21
Westmoreland	362475	99.56
Lehigh	337270	95.80
Luzerne	311115	96.97
Northampton	289875	97.13
Erie	274670	97.92
Dauphin	260370	96.78
Cumberland	231510	97.50
Lackawanna	208420	97.27
Washington	206435	99.23
Butler	183290	99.33
Beaver	169355	99.40
Monroe	163360	96.69
Franklin	147420	97.89
Centre	147140	95.26
Schuylkill	146010	98.86
Cambria	141605	99.41
Fayette	135580	99.59
Lebanon	132410	98.51
Blair	126215	99.43
Lycoming	115885	99.38
Mercer	115425	99.45
Adams	98815	97.36
Northumberland	93785	99.30
Lawrence	90055	99.65
Crawford	87860	99.64
Indiana	87650	99.15
Clearfield	80370	98.57
Somerset	77140	99.74
Armstrong	68475	99.80
Columbia	66215	98.80
Carbon	64370	98.92
Bradford	62210	99.34
Pike	55820	97.62
Venango	54455	99.75
Wayne	51575	98.78
Bedford	49350	99.72
Mifflin	46490	99.55
Huntingdon	45620	99.44
Perry	45525	99.38
Jefferson	44860	99.66
Union	43790	97.46
McKean	43000	99.32
Susquehanna	42670	99.35
Tioga	42090	99.59
Warren	41255	99.58
Clarion	39525	99.51
Snyder	39485	99.43
Clinton	39125	99.05
Greene	38265	99.75
Elk	31725	99.76
Wyoming	27945	99.18
Juniata	24485	98.99
Montour	18035	98.12
Potter	17440	99.74
Fulton	14750	99.80
Forest	7660	99.55
Sullivan	6360	99.07
Cameron	4970	99.40