East Chicago

Peak Population (1960) : 57,669

Current (2020) : 26,378

Percentage Lost : 54.26%

Population Lost : 31,291

Evansville

Peak Population (1960) : 141,543

Current (2020) : 115,749

Percentage Lost : 18.23%

Population Lost :  25,794

Gary

Peak Population (1960) : 178,320

Current (2020) : 69,086 

Percentage Lost : 61.26%

Population Lost : 109,234

Hammond 

Peak Population (1960) : 111,698

Current (2020) : 77,855

Percentage Lost : 30.30%

Population Lost : 33,843

Marion

Peak Population (1970) : 39,607

Current (2020) : 28,310

Percentage Lost : 28.52%

Population Lost : 11,297

Richmond

Peak Population (1960) : 44,149

Current (2020) : 35,720

Percentage Lost : 19.09%

Population Lost : 8,429

South Bend

Peak Population (1960) : 132,445

Current (2020) : 103,436

Percentage Lost : 21.91%

Population Lost : 29,009

Terre Haute

Peak Population (1960) : 71,786

Current (2020) : 58,389

Percentage Lost : 18.67%

Population Lost : 13,397