The Columbus, OH designated market area (DMA) is a U.S. television market serving the people in the state of Ohio. It is the 35th biggest media market by size in the United States, with a total population of 1,018,390 TV households as of the 2024-2025 television season. The Columbus, OH DMA comprises 21 counties, namely, Athens, Coshocton, Crawford, Delaware, Fairfield, Fayette, Franklin, Guernsey, Hardin, Hocking, Knox, Licking, Madison, Marion, Morgan, Morrow, Perry, Pickaway, Pike, Ross, and Union, OH.
| Season | Rank | Share | TV Homes | Change |
|---|---|---|---|---|
| 2024-2025 | 35 | 0.81% | 1,018,390 | -0.21% |
| 2023-2024 | 33 | 0.82% | 1,020,490 | -0.30% |
| 2022-2023 | 32 | 0.83% | 1,023,600 | +1.66% |
| 2021-2022 | 33 | 0.82% | 1,006,870 | +0.76% |
| 2020-2021 | 33 | 0.83% | 999,300 | +13.9% |
| 2019-2020 | 34 | 0.82% | 877,490 | -1.36% |
| 2018-2019 | 34 | 0.81% | 889,600 | -0.82% |
| 2017-2018 | 34 | 0.80% | 896,980 | -2.58% |
| 2016-2017 | 32 | 0.80% | 920,740 | +1.46% |
| 2015-2016 | 31 | 0.80% | 907,530 | -0.66% |
| 2014-2015 | 32 | 0.80% | 913,550 | -1.61% |
| 2013-2014 | 32 | 0.80% | 928,530 | -0.21% |
| 2012-2013 | 32 | 0.82% | 930,460 | -0.24% |
| 2011-2012 | 32 | 0.81% | 932,680 | +1.83% |
| 2010-2011 | 34 | 0.79% | 915,950 | +1.32% |
| 2009-2010 | 34 | 0.79% | 904,030 | -2.36% |
| 2008-2009 | 32 | 0.81% | 925,840 | +2.22% |
| 2007-2008 | 32 | 0.80% | 905,690 | +0.85% |
| 2006-2007 | 32 | 0.81% | 898,030 | +0.82% |
| 2005-2006 | 32 | 0.81% | 890,770 | +2.68% |