Pennsylvania
Aliquippa
Peak Population (1930) : 27,116
Current (2020) : 9,244
Percentage Lost : 65.91%
Population Lost : 17,872
Altoona
Peak Population (1930) : 82,054
Current (2020) : 43,970
Percentage Lost : 46.42%
Population Lost : 38,084
Ambridge
Peak Population (1930) : 20,227
Current (2020) : 6,971
Percentage Lost : 65.54%
Population Lost : 13,256
Ashland
Peak Population (1890) : 7,346
Current (2020) : 2,471
Percentage Lost : 66.36%
Population Lost : 4,875
Ashley
Peak Population (1930) : 7,093
Current (2020) : 2,596
Percentage Lost : 63.41%
Population Lost : 4,497
Beaver Falls
Peak Population (1950) : 17,375
Current (2020) : 9,005
Percentage Lost : 48.18%
Population Lost : 8,370
Braddock
Peak Population (1920) : 20,879
Current (2020) : 1,721
Percentage Lost : 91.76%
Population Lost : 19,158
Bradford
Peak Population (1930) : 19,306
Current (2020) : 7,825
Percentage Lost : 59.47%
Population Lost : 11,481
Brownsville
Peak Population (1940) : 8,015
Current (2020) : 2,152
Percentage Lost : 73.16%
Population Lost : 5,863
Butler
Peak Population (1940) : 24,477
Current (2020) : 13,491
Percentage Lost : 44.89%
Population Lost : 10,986
Carbondale
Peak Population (1930) : 20,061
Current (2020) : 8,828
Percentage Lost : 55.99%
Population Lost : 11,233
Charleroi
Peak Population (1920) : 11,516
Current (2020) : 4,240
Percentage Lost : 63.19%
Population Lost : 7,276
Chester
Peak Population (1950) : 66,039
Current (2020) : 32,618
Percentage Lost : 50.61%
Population Lost : 33,421
Clairton
Peak Population (1950) : 19,652
Current (2020) : 6,184
Percentage Lost : 68.54%
Population Lost : 15,156
Coaldale
Peak Population (1930) : 6,921
Current (2020) : 2,421
Percentage Lost : 65.02%
Population Lost : 4,500
Connellsville
Peak Population (1920) : 13,804
Current (2020) : 7,031
Percentage Lost : 49.07%
Population Lost : 6,773
Coraopolis
Peak Population (1940) : 11,086
Current (2020) : 5,555
Percentage Lost : 49.90%
Population Lost : 5,531
Danville
Peak Population (1870) : 8,436
Current (2020) : 4,221
Percentage Lost : 49.96%
Population Lost : 4,215
Donora
Peak Population (1920) : 14,131
Current (2020) : 4,558
Percentage Lost : 67.75%
Population Lost : 9,573
DuBois
Peak Population (1920) : 13,681
Current (2020) : 7,511
Percentage Lost : 45.10%
Population Lost : 6,170
Duquesne
Peak Population (1930) : 21,396
Current (2020) : 5,252
Percentage Lost : 75.46%
Population Lost : 16,144
East Pittsburgh
Peak Population (1920) : 6,527
Current (2020) : 1,927
Percentage Lost : 70.48%
Population Lost : 4,600
Ellwood City
Peak Population (1950) : 12,945
Current (2020) : 7,635
Percentage Lost : 41.02%
Population Lost : 5,310
Erie
Peak Population (1960) : 138,440
Current (2020) : 94,849
Percentage Lost : 31.49%
Population Lost : 43,591
Farrell
Peak Population (1920) : 15,586
Current (2020) : 4,258
Percentage Lost : 72.69%
Population Lost : 11,328
Forest City
Peak Population (1920) : 6,004
Current (2020) : 1,748
Percentage Lost : 70.89%
Population Lost : 4,256
Frackville
Peak Population (1940) : 8,035
Current (2020) : 3,867
Percentage Lost : 51.87%
Population Lost : 4,168
Freeland
Peak Population (1930) : 7,098
Current (2020) : 3,833
Percentage Lost : 46.00%
Population Lost : 3,265
Girardville
Peak Population (1930) : 4,891
Current (2020) : 1,308
Percentage Lost : 73.26%
Population Lost : 3,583
Glassport
Peak Population (1940) : 8,748
Current (2020) : 4,475
Percentage Lost : 48.85%
Population Lost : 4,273
Harrisburg
Peak Population (1950) : 89,544
Current (2020) : 50,088
Percentage Lost : 44.07%
Population Lost : 39,456
Homestead
Peak Population (1920) : 20,452
Current (2020) : 2,884
Percentage Lost : 85.90%
Population Lost : 17,568
Jeannette
Peak Population (1960) : 16,565
Current (2020) : 8,780
Percentage Lost : 47.00%
Population Lost : 7,785
Johnstown
Peak Population (1920) : 67,327
Current (2020) : 18,411
Percentage Lost : 72.66%
Population Lost : 48,916
Kittanning
Peak Population (1930) : 7,808
Current (2020) : 3,921
Percentage Lost : 49.78%
Population Lost : 3,887
Kulpmont
Peak Population (1940) : 6,159
Current (2020) : 2,758
Percentage Lost : 55.22%
Population Lost : 3,401
Lansford
Peak Population (1930) : 9,632
Current (2020) : 4,141
Percentage Lost : 57.01%
Population Lost : 5,491
Lewistown
Peak Population (1950) : 13,894
Current (2020) : 8,561
Percentage Lost : 38.38%
Population Lost : 5,333
Lock Haven
Peak Population (1960) : 11,748
Current (2020) : 8,108
Percentage Lost : 30.98%
Population Lost : 3,640
Mahanoy City
Peak Population (1910) : 15,936
Current (2020) : 3,511
Percentage Lost : 77.97%
Population Lost : 12,425
Marcus Hook
Peak Population (1920) : 5,324
Current (2020) : 2,454
Percentage Lost : 53.91%
Population Lost : 2,870
Mayfield
Peak Population (1920) : 3,832
Current (2020) : 1,763
Percentage Lost : 53.99%
Population Lost : 2,069
McAdoo
Peak Population (1930) : 5,239
Current (2020) : 2,477
Percentage Lost : 52.72%
Population Lost : 2,762
McKeesport
Peak Population (1940) : 55,355
Current (2020) : 17,738
Percentage Lost : 67.96%
Population Lost : 37,617
McKees Rocks
Peak Population (1930) : 18,116
Current (2020) : 5,921
Percentage Lost : 67.32%
Population Lost : 12,195
Midland
Peak Population (1920) : 6,491
Current (2020) : 2,430
Percentage Lost : 62.57%
Population Lost : 4,061
Millvale
Peak Population (1930) : 8,166
Current (2020) : 3,376
Percentage Lost : 58.66%
Population Lost : 4,790
Minersville
Peak Population (1930) : 9,392
Current (2020) : 4,388
Percentage Lost : 53.28%
Population Lost : 5,004
Monaca
Peak Population (1960) : 8,394
Current (2020) : 5,623
Percentage Lost : 33.02%
Population Lost : 2,771
Monessen
Peak Population (1930) : 20,268
Current (2020) : 6,872
Percentage Lost : 66.10%
Population Lost : 13,396
Mount Carmel
Peak Population (1930) : 17,967
Current (2020) : 5,725
Percentage Lost : 68.14%
Population Lost : 12,242
Mount Oliver
Peak Population (1930) : 7,071
Current (2020) : 3,394
Percentage Lost : 52.00%
Population Lost : 3,677
Monongahela
Peak Population (1920) : 8,688
Current (2020) : 4,149
Percentage Lost : 52.25%
Population Lost : 4,539
Munhall
Peak Population (1960) : 17,332
Current (2020) : 10,774
Percentage Lost : 37.84%
Population Lost : 6,558
Nanticoke
Peak Population (1930) : 26,043
Current (2020) : 10,628
Percentage Lost : 59.20%
Population Lost : 15,415
New Brighton
Peak Population (1930) : 9,950
Current (2020) : 5,719
Percentage Lost : 42.52%
Population Lost : 4,231
New Castle
Peak Population (1950) : 48,834
Current (2020) : 21,926
Percentage Lost : 55.11%
Population Lost : 26,908
New Kensington
Peak Population (1950) : 25,146
Current (2020) : 12,169
Percentage Lost : 51.61%
Population Lost : 12,977
North Braddock
Peak Population (1930) : 16,782
Current (2020) : 4,320
Percentage Lost : 74.26%
Population Lost : 12,462
Oil City
Peak Population (1930) : 22,075
Current (2020) : 9,613
Percentage Lost : 56.46%
Population Lost : 12,462
Olyphant
Peak Population (1930) : 10,743
Current (2020) : 5,395
Percentage Lost : 49.78%
Population Lost : 5,348
Philadelphia
Peak Population (1950) : 2,071,605
Current (2020) : 1,603,799
Percentage Lost : 22.59%
Population Lost : 467,806
Pitcairn
Peak Population (1930) : 6,317
Current (2020) : 3,101
Percentage Lost :50.92%
Population Lost : 3,216
Pittsburgh
Peak Population (1950) : 676,806
Current (2020) : 302,898
Percentage Lost : 55.25%
Population Lost : 373,908
Pittston
Peak Population (1920) : 18,497
Current (2020) : 7,591
Percentage Lost : 58.96%
Population Lost : 10,906
Plymouth
Peak Population (1910) : 16,996
Current (2020) : 5,763
Percentage Lost : 66.09%
Population Lost : 11,233
Pottsville
Peak Population (1940) : 24,530
Current (2020) : 13,346
Percentage Lost : 45.60%
Population Lost : 11,184
Rankin
Peak Population (1930) : 7,956
Current (2020) : 1,896
Percentage Lost : 76.17%
Population Lost : 6,060
Reading
Peak Population (1930) : 111,171
Current (2020) : 90,860
Percentage Lost : 18.28%
Population Lost : 20,311
Rochester
Peak Population (1940) : 7,441
Current (2020) : 3,472
Percentage Lost : 53.34%
Population Lost : 3,969
Scranton
Peak Population (1930) : 143,433
Current (2020) : 76,336
Percentage Lost : 46.78%
Population Lost : 67,097
Shamokin
Peak Population (1920) : 21,204
Current (2020) : 6,942
Percentage Lost : 67.26%
Population Lost : 14,262
Sharon
Peak Population (1950) : 26,454
Current (2020) : 13,150
Percentage Lost : 50.30%
Population Lost : 13,304
Sharpsburg
Peak Population (1920) : 8,921
Current (2020) : 3,187
Percentage Lost : 64.28%
Population Lost : 5,734
Shenandoah
Peak Population (1910) : 25,774
Current (2020) : 4,249
Percentage Lost : 83.52%
Population Lost : 21,525
St. Clair
Peak Population (1930) : 7,296
Current (2020) : 2,752
Percentage Lost : 62.28%
Population Lost : 4,544
Steelton
Peak Population (1910) : 14,246
Current (2020) : 6,263
Percentage Lost : 56.04%
Population Lost : 7,983
Summit Hill
Peak Population (1930) : 5,567
Current (2020) : 3,034
Percentage Lost : 45.50%
Population Lost : 2,533
Swissvale
Peak Population (1950) : 16,488
Current (2020) : 8,620
Percentage Lost : 47.72%
Population Lost : 7,868
Tamaqua
Peak Population (1930) : 12,936
Current (2020) : 6,934
Percentage Lost : 46.40%
Population Lost : 6,002
Tarentum
Peak Population (1940) : 9,846
Current (2020) : 4,352
Percentage Lost : 55.80%
Population Lost : 5,494
Throop
Peak Population (1930) : 8,027
Current (2020) : 4,078
Percentage Lost : 49.20%
Population Lost : 3,949
Titusville
Peak Population (1890) : 12,786
Current (2020) : 5,262
Percentage Lost : 58.85%
Population Lost : 7,524
Turtle Creek
Peak Population (1950) : 12,363
Current (2020) : 5,114
Percentage Lost : 58.64%
Population Lost : 7,249
Uniontown
Peak Population (1940) : 21,819
Current (2020) : 9,984
Percentage Lost : 54.24%
Population Lost : 11,835
Vandergrift
Peak Population (1930) : 11,479
Current (2020) : 5,075
Percentage Lost : 55.79%
Population Lost : 6,404
Warren
Peak Population (1940) : 14,891
Current (2020) : 9,400
Percentage Lost : 36.87%
Population Lost : 5,491
Washington
Peak Population (1950) : 26,280
Current (2020) : 13,176
Percentage Lost : 49.87%
Population Lost : 13,104
West Mifflin
Peak Population (1970) : 28,759
Current (2020) : 19,589
Percentage Lost : 30.22%
Population Lost : 8,481
Wilkes-Barre
Peak Population (1930) : 86,626
Current (2020) : 44,322
Percentage Lost : 48.84%
Population Lost : 42,304
Wilkinsburg
Peak Population (1950) : 31,418
Current (2020) : 14,349
Percentage Lost : 54.33%
Population Lost : 17,069
Williamsport
Peak Population (1930) : 45,729
Current (2020) : 27,754
Percentage Lost : 39.31%
Population Lost : 17,975
Williamstown
Peak Population (1930) : 2,958
Current (2020) : 1,303
Percentage Lost : 55.95%
Population Lost : 1,655
Wilmerding
Peak Population (1920) : 6,441
Current (2020) : 1,781
Percentage Lost : 72.35%
Population Lost : 4,660
Windber
Peak Population (1920) : 9,462
Current (2020) : 3,930
Percentage Lost : 58.47%
Population Lost : 5,532
York
Peak Population (1950) : 59,953
Current (2020) : 44,797
Percentage Lost : 25.28%
Population Lost : 15,156
NAME
Peak Population () :
Current (2020) :
Percentage Lost : %
Population Lost :