Data / Rankings / Housing units / Cities in Pennsylvania

Cities in Pennsylvania by housing units

Philadelphia, PA had the highest housing units of 68 cities in 2021, at 720,688. Darby, PA had the lowest, at 4,070. The median was 7,946 and the figure for Pennsylvania was 5.73 million. Source: the U.S. Census Bureau.

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Highest720,688Philadelphia, PA
Lowest4,070Darby, PA
Median7,94668 cities
Pennsylvania5,728,788History

Top 40 cities, 2021

Philadelphia, PA: 720,688 countPhiladelphia, PA720,688Pittsburgh, PA: 157,483 countPittsburgh, PA157,483Allentown, PA: 48,757 countAllentown, PA48,757Erie, PA: 43,591 countErie, PA43,591Reading, PA: 36,075 countReading, PA36,075Scranton, PA: 35,034 countScranton, PA35,034Bethlehem, PA: 31,653 countBethlehem, PA31,653Harrisburg, PA: 24,698 countHarrisburg, PA24,698Lancaster, PA: 22,503 countLancaster, PA22,503Altoona, PA: 20,584 countAltoona, PA20,584Wilkes-Barre, PA: 20,187 countWilkes-Barre, PA20,187York, PA: 19,215 countYork, PA19,215Bethel Park, PA: 15,455 countBethel Park, PA15,455Norristown, PA: 14,870 countNorristown, PA14,870Chester, PA: 14,000 countChester, PA14,000Monroeville, PA: 13,490 countMonroeville, PA13,490State College, PA: 13,155 countState College, PA13,155Williamsport, PA: 13,138 countWilliamsport, PA13,138Hazleton, PA: 12,200 countHazleton, PA12,200Johnstown, PA: 11,820 countJohnstown, PA11,820Lebanon, PA: 11,477 countLebanon, PA11,477Plum, PA: 11,451 countPlum, PA11,451Easton, PA: 11,235 countEaston, PA11,235Pottstown, PA: 10,743 countPottstown, PA10,743New Castle, PA: 10,624 countNew Castle, PA10,624McKeesport, PA: 10,236 countMcKeesport, PA10,236Chambersburg, PA: 10,186 countChambersburg, PA10,186Wilkinsburg, PA: 9,958 countWilkinsburg, PA9,958Baldwin, PA: 9,447 countBaldwin, PA9,447West Mifflin, PA: 9,066 countWest Mifflin, PA9,066Carlisle, PA: 8,617 countCarlisle, PA8,617Murrysville, PA: 8,564 countMurrysville, PA8,564Phoenixville, PA: 8,367 countPhoenixville, PA8,367Hermitage, PA: 8,074 countHermitage, PA8,074Hanover, PA: 7,817 countHanover, PA7,817Greensburg, PA: 7,347 countGreensburg, PA7,347Sharon, PA: 7,272 countSharon, PA7,272West Chester, PA: 7,240 countWest Chester, PA7,240Lansdale, PA: 7,237 countLansdale, PA7,237Butler, PA: 7,163 countButler, PA7,163Philadelphia, PA: 720,688 countPhiladelphia, PA720,688Pittsburgh, PA: 157,483 countPittsburgh, PA157,483Allentown, PA: 48,757 countAllentown, PA48,757Erie, PA: 43,591 countErie, PA43,591Reading, PA: 36,075 countReading, PA36,075Scranton, PA: 35,034 countScranton, PA35,034Bethlehem, PA: 31,653 countBethlehem, PA31,653Harrisburg, PA: 24,698 countHarrisburg, PA24,698Lancaster, PA: 22,503 countLancaster, PA22,503Altoona, PA: 20,584 countAltoona, PA20,584Wilkes-Barre, PA: 20,187 countWilkes-Barre, PA20,187York, PA: 19,215 countYork, PA19,215Bethel Park, PA: 15,455 countBethel Park, PA15,455Norristown, PA: 14,870 countNorristown, PA14,870Chester, PA: 14,000 countChester, PA14,000Monroeville, PA: 13,490 countMonroeville, PA13,490State College, PA: 13,155 countState College, PA13,155Williamsport, PA: 13,138 countWilliamsport, PA13,138Hazleton, PA: 12,200 countHazleton, PA12,200Johnstown, PA: 11,820 countJohnstown, PA11,820Lebanon, PA: 11,477 countLebanon, PA11,477Plum, PA: 11,451 countPlum, PA11,451Easton, PA: 11,235 countEaston, PA11,235Pottstown, PA: 10,743 countPottstown, PA10,743New Castle, PA: 10,624 countNew Castle, PA10,624McKeesport, PA: 10,236 countMcKeesport, PA10,236Chambersburg, PA: 10,186 countChambersburg, PA10,186Wilkinsburg, PA: 9,958 countWilkinsburg, PA9,958Baldwin, PA: 9,447 countBaldwin, PA9,447West Mifflin, PA: 9,066 countWest Mifflin, PA9,066Carlisle, PA: 8,617 countCarlisle, PA8,617Murrysville, PA: 8,564 countMurrysville, PA8,564Phoenixville, PA: 8,367 countPhoenixville, PA8,367Hermitage, PA: 8,074 countHermitage, PA8,074Hanover, PA: 7,817 countHanover, PA7,817Greensburg, PA: 7,347 countGreensburg, PA7,347Sharon, PA: 7,272 countSharon, PA7,272West Chester, PA: 7,240 countWest Chester, PA7,240Lansdale, PA: 7,237 countLansdale, PA7,237Butler, PA: 7,163 countButler, PA7,163
count. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25001: total housing units, US cities (incorporated places of 10,000 or more). Retrieved 2026-10-12.

Full ranking

RankCities2021
count
1Philadelphia, PA720,688
2Pittsburgh, PA157,483
3Allentown, PA48,757
4Erie, PA43,591
5Reading, PA36,075
6Scranton, PA35,034
7Bethlehem, PA31,653
8Harrisburg, PA24,698
9Lancaster, PA22,503
10Altoona, PA20,584
11Wilkes-Barre, PA20,187
12York, PA19,215
13Bethel Park, PA15,455
14Norristown, PA14,870
15Chester, PA14,000
16Monroeville, PA13,490
17State College, PA13,155
18Williamsport, PA13,138
19Hazleton, PA12,200
20Johnstown, PA11,820
21Lebanon, PA11,477
22Plum, PA11,451
23Easton, PA11,235
24Pottstown, PA10,743
25New Castle, PA10,624
26McKeesport, PA10,236
27Chambersburg, PA10,186
28Wilkinsburg, PA9,958
29Baldwin, PA9,447
30West Mifflin, PA9,066
31Carlisle, PA8,617
32Murrysville, PA8,564
33Phoenixville, PA8,367
34Hermitage, PA8,074
35Hanover, PA7,817
36Greensburg, PA7,347
37Sharon, PA7,272
38West Chester, PA7,240
39Lansdale, PA7,237
40Butler, PA7,163
41Whitehall, PA6,911
42Pottsville, PA6,885
43New Kensington, PA6,810
44Kingston, PA6,548
45Washington, PA6,547
46Dunmore, PA6,454
47St. Marys, PA6,110
48Ephrata, PA6,024
49Munhall, PA5,953
50Meadville, PA5,920
51Franklin Park, PA5,662
52Lower Burrell, PA5,408
53Indiana, PA5,378
54Wyomissing, PA5,300
55Coatesville, PA5,255
56Lansdowne, PA5,244
57Yeadon, PA5,241
58Nanticoke, PA5,239
59Bloomsburg, PA5,207
60Jefferson Hills, PA5,149
61Emmaus, PA5,011
62Berwick, PA4,984
63Columbia, PA4,948
64Waynesboro, PA4,828
65Elizabethtown, PA4,770
66Northampton, PA4,673
67Mechanicsburg, PA4,230
68Darby, PA4,070

Other periods

About this ranking

All housing units, occupied and vacant: houses, apartments, mobile homes and rooms intended as separate living quarters. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

A survey estimate averaged over five years, not a count on one date.

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. American Community Survey 5-year estimates, table B25001: total housing units, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B25001: total housing units, US cities (incorporated places of 10,000 or more) (Cities in Pennsylvania by housing units, 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat

MLA 9

American Community Survey 5-year estimates, table B25001: total housing units, US cities (incorporated places of 10,000 or more), Cities in Pennsylvania by housing units, 2021. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat. Invokely, https://invokely.ai/rankings/housing-units/pennsylvania-cities?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B25001: total housing units, US cities (incorporated places of 10,000 or more). Cities in Pennsylvania by housing units, 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat. Also distributed by Invokely, https://invokely.ai/rankings/housing-units/pennsylvania-cities?period=2021.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B25001: total housing units, US cities (incorporated places of 10,000 or more), Cities in Pennsylvania by housing units, 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat, via Invokely: https://invokely.ai/rankings/housing-units/pennsylvania-cities?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_cities_in_pennsylvania_by_2021,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B25001: total housing units, US cities (incorporated places of 10,000 or more): Cities in Pennsylvania by housing units, 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/housing-units/pennsylvania-cities?period=2021. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25001: total housing units, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary\_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B25001: total housing units, US cities (incorporated places of 10,000 or more): Cities in Pennsylvania by housing units, 2021
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat
L2  - https://invokely.ai/rankings/housing-units/pennsylvania-cities?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/housing-units/pennsylvania-cities?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25001: total housing units, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25001.dat. Retrieved 2026-10-12.
ER  -
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Questions

Which city has the highest housing units?

Philadelphia, PA, with 720,688 in 2021, according to the U.S. Census Bureau.

Which city has the lowest housing units?

Darby, PA, with 4,070 in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B25001: total housing units, US cities (incorporated places of 10,000 or more). Retrieved 2026-10-12.

Housing units: other rankings

Cities in Pennsylvania: more rankings