The St. Louis, MO designated market area (DMA) is a U.S. television market serving the people in the state of Missouri. It is the 24th biggest media market by size in the United States, with a total population of 1,255,160 TV households as of the 2022-2023 television season.
| Season | Rank | Share | TV Homes | Change |
|---|---|---|---|---|
| 2022-2023 | 24 | 1.01% | 1,255,160 | +0.31% |
| 2021-2022 | 23 | 1.02% | 1,251,300 | +0.98% |
| 2020-2021 | 23 | 1.02% | 1,239,210 | +12.7% |
| 2019-2020 | 23 | 1.03% | 1,099,590 | -5.57% |
| 2018-2019 | 21 | 1.06% | 1,164,400 | -2.14% |
| 2017-2018 | 21 | 1.06% | 1,189,890 | -2.11% |
| 2016-2017 | 21 | 1.06% | 1,215,570 | -0.15% |
| 2015-2016 | 21 | 1.07% | 1,217,370 | -0.77% |
| 2014-2015 | 21 | 1.08% | 1,226,860 | -2.21% |
| 2013-2014 | 21 | 1.08% | 1,254,530 | +0.89% |
| 2012-2013 | 21 | 1.09% | 1,243,490 | -0.83% |
| 2011-2012 | 21 | 1.09% | 1,253,920 | -0.37% |
| 2010-2011 | 21 | 1.09% | 1,258,580 | +0.73% |
| 2009-2010 | 21 | 1.09% | 1,249,450 | -0.03% |
| 2008-2009 | 21 | 1.09% | 1,249,820 | +0.44% |
| 2007-2008 | 21 | 1.10% | 1,244,370 | +1.25% |
| 2006-2007 | 21 | 1.10% | 1,228,980 | +0.54% |
| 2005-2006 | 21 | 1.11% | 1,222,380 | +0.47% |
| 2004-2005 | 21 | 1.11% | 1,216,700 | +1.21% |
| 2003-2004 | 21 | 1.11% | 1,202,170 | +3.96% |