Basin Population

State Area Within Ohio River Basin (Square Miles) Approximate Number of Miles of Ohio River Riverfront Population within the Ohio River Basin
(of ORSANCO member states)
*the current Ohio River Basin population total = 30, 579,517
_ _ _ 1970 1980 1990 2000 2010 2020
Illinois
10,745
133 miles
606,062
634,259
623,454
630,523
586,361
560,283
Indiana
29,135
357 miles
3,597,990
3,830,357
3,882,781
4,262,799
4,631,544
4,880,648
Kentucky
39,375
664 miles
3,163,493
3,603,516
3,269,605
3,983,672
4,284,840
4,452,933
New York
1,955
158,355
172,303
163,747
163,878
155,596
148,248
Ohio
29,570
451 miles
6,298,122
6,558,723
6,692,023
7,114,446
7,519,567
7,793,454
Pennsylvania
15,620
80 miles
3,761,083
3,693,843
3,451,633
3,418,325
3,288,122
3,249,618
Virginia
7,175
438,698
531,743
515,052
531,594
538,218
513,061
West Virginia
20,610
277 miles
1,616,986
1,789,585
1,601,541
1,593,454
1,590,807
1,514,442
Total
154,185
1,962 miles
19,640,789
20,814,329
20,199,836
21,698,691
22,595,055
23,084,664

*Current total Ohio River Basin population (including non-member states): 30,579,517

Land area data taken from ORSANCO sources. Population data from the 1970, 1980, 1990, 2000, 2010, and 2020 US Census.