Dumas is a city located in Moore County Texas. It is also the county seat of Moore County. With a 2020 population of 13,543, it is the 198th largest city in Texas and the 2479th largest city in the United States . Dumas is currently declining at a rate of -1.04% annually and its population has decreased by -7.81% since the most recent census, which recorded a population of 14,691 in 2010. Dumas reached it's highest population of 15,015 in 2012. Spanning over 6 miles, Dumas has a population density of 2,451 people per square mile.
The average household income in Dumas is $71,809 with a poverty rate of 14.57%. The median rental costs in recent years comes to $862 per month, and the median house value is $132,100. The median age in Dumas is 30.6 years, 29.8 years for males, and 33 years for females.