Cities in Pennsylvania by population, 2025

Philadelphia, PA had the highest population of 70 cities in 2025, at 1.57 million. Mechanicsburg, PA had the lowest, at 10,037. The median was 17,281 and the figure for Pennsylvania was 13.06 million. Source: the U.S. Census Bureau.

Highest1,574,281Philadelphia, PA

Lowest10,037Mechanicsburg, PA

Median17,28170 cities

Pennsylvania13,059,432History

Top 40 cities, 2025

persons. Source: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Retrieved 2026-10-12.

Full ranking

Rank	Cities	2025 persons	Change on 2024
1	Philadelphia, PA	1,574,281	+0.1%
2	Pittsburgh, PA	307,632	+0.3%
3	Allentown, PA	126,044	+0.2%
4	Reading, PA	95,832	+0.1%
5	Erie, PA	91,838	-0.5%
6	Bethlehem, PA	79,644	+0.3%
7	Scranton, PA	75,514	-0.2%
8	Lancaster, PA	58,366	+0.4%
9	Harrisburg, PA	50,522	-0.1%
10	York, PA	45,342	+0.6%
11	Wilkes-Barre, PA	44,523	+0.2%
12	Altoona, PA	42,347	-0.6%
13	State College, PA	40,844	-0.6%
14	Penn Hills, PA	39,452	+0.1%
15	Norristown, PA	35,911	0%
16	Chester, PA	33,996	+0.4%
17	Mount Lebanon, PA	32,552	-0.7%
18	Bethel Park, PA	32,074	-0.6%
19	Easton, PA	30,402	0%
20	Hazleton, PA	30,286	+0.2%
21	Monroeville, PA	27,685	-0.6%
22	Williamsport, PA	27,384	-0.4%
23	Lebanon, PA	26,479	+0.2%
24	Plum, PA	26,225	-0.4%
25	Chambersburg, PA	23,376	+1.5%
26	Pottstown, PA	23,322	-0.4%
27	Carlisle, PA	22,693	+0.3%
28	New Castle, PA	21,175	-0.4%
29	Murrysville, PA	20,636	-0.3%
30	Baldwin, PA	20,516	-0.5%
31	Phoenixville, PA	20,356	+1%
32	West Chester, PA	19,591	-0.2%
33	Lansdale, PA	18,986	-0.4%
34	West Mifflin, PA	18,707	-0.7%
35	Johnstown, PA	17,654	-0.9%
36	McKeesport, PA	16,907	-0.7%
37	Hanover, PA	16,684	0%
38	Hermitage, PA	16,308	-0.5%
39	Franklin Park, PA	14,978	-0.3%
40	Indiana, PA	14,697	-0.5%
41	Whitehall, PA	14,521	-0.6%
42	Greensburg, PA	14,462	-0.6%
43	Dunmore, PA	14,249	-0.2%
44	Ephrata, PA	13,647	-0.3%
45	Wilkinsburg, PA	13,602	-0.7%
46	Kingston, PA	13,462	+0.1%
47	Washington, PA	13,377	-0.4%
48	Bloomsburg, PA	13,375	+0.1%
49	Coatesville, PA	13,283	-0.3%
50	Pottsville, PA	13,170	-0%
51	Butler, PA	12,879	-0.7%
52	Sharon, PA	12,648	-0.7%
53	Emmaus, PA	12,514	+2.3%
54	Jefferson Hills, PA	12,357	+0.9%
55	Yeadon, PA	12,320	-0.1%
56	St. Marys, PA	12,253	-0.6%
57	Meadville, PA	12,230	-0.5%
58	Elizabethtown, PA	11,961	+0.1%
59	New Kensington, PA	11,759	-0.6%
60	Lower Burrell, PA	11,470	-0.6%
61	Wyomissing, PA	11,285	+0.2%
62	Waynesboro, PA	11,190	+0.9%
63	Lansdowne, PA	11,141	-0.1%
64	Nanticoke, PA	10,712	+0.2%
65	Darby, PA	10,666	-0.1%
66	Northampton, PA	10,570	0%
67	Columbia, PA	10,314	-0.4%
68	Berwick, PA	10,297	0%
69	Munhall, PA	10,253	-0.7%
70	Mechanicsburg, PA	10,037	+0.8%

Other periods

About this ranking

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). Norway: Statistics Norway, 1 January. United States: Census Bureau population estimates for 1 July. United Kingdom regions and local authorities: Office for National Statistics estimates for 30 June. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

Every value in the ranking comes from the same publisher and the same period, so the cities are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.

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Rank Cities in Pennsylvania by population using official data, and cite the source.

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Questions

Which city has the highest population?

Philadelphia, PA, with 1.57 million in 2025, according to the U.S. Census Bureau.

Which city has the lowest population?

Mechanicsburg, PA, with 10,037 in 2025.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Retrieved 2026-10-12.