The Casper-Riverton, WY designated market area (DMA) is a U.S. television market serving the people in the state of Wyoming. It is the 198th biggest media market by size in the United States, with a total population of 56,390 TV households as of the 2022-2023 television season, up +1% from that of the 2021-2022 season.
| Season | Rank | Share | TV Homes | Change |
|---|---|---|---|---|
| 2022-2023 | 198 | 0.046% | 56,390 | +0.89% |
| 2021-2022 | 197 | 0.046% | 55,890 | +0.22% |
| 2020-2021 | 198 | 0.046% | 55,770 | +27.4% |
| 2019-2020 | 199 | 0.041% | 43,760 | -9.29% |
| 2018-2019 | 198 | 0.044% | 48,240 | -7.57% |
| 2017-2018 | 198 | 0.047% | 52,190 | -7.23% |
| 2016-2017 | 197 | 0.049% | 56,260 | +0.90% |
| 2015-2016 | 196 | 0.049% | 55,760 | -2.89% |
| 2014-2015 | 196 | 0.051% | 57,420 | -0.81% |
| 2013-2014 | 197 | 0.050% | 57,890 | +4.74% |
| 2012-2013 | 197 | 0.048% | 55,270 | -2.11% |
| 2011-2012 | 196 | 0.049% | 56,460 | -0.42% |
| 2010-2011 | 195 | 0.049% | 56,700 | +1.94% |
| 2009-2010 | 196 | 0.048% | 55,620 | +2.36% |
| 2008-2009 | 197 | 0.048% | 54,340 | +2.34% |
| 2007-2008 | 198 | 0.047% | 53,100 | +1.34% |
| 2006-2007 | 198 | 0.047% | 52,400 | +0.63% |
| 2005-2006 | 198 | 0.047% | 52,070 | +0.42% |
| 2004-2005 | 198 | 0.047% | 51,850 | +2.23% |
| 2003-2004 | 200 | 0.047% | 50,720 | +1.42% |