The following is the documented population of Columbus, Ohio from 1840 to 2005.

  1. 1840 - 6,048
  2. 1850 - 17,882
  3. 1860 - 18,554
  4. 1870 - 31,274
  5. 1880 - 51,647
  6. 1890 - 88,150
  7. 1900 - 125,560
  8. 1910 - 181,511
  9. 1920 - 237,031
  10. 1930 - 290,564
  11. 1940 - 306,087
  12. 1950 - 375,901
  13. 1960 - 471,316
  14. 1970 - 539,677
  15. 1980 - 564,871
  16. 1990 - 632,910
  17. 2000 - 711,470
  18. 2005 - 730,657