Rosser, TX has a population of 303 and is the 22,456th largest city in the United States. The population density is 159 per sq mi which is 64% higher than the Texas average and 75% higher than the national average. The median age in Rosser is 38 which is approximately 11% higher than the Texas average of 34. In Rosser, 55% of the population over 15 years of age are married, 86% speak English and 12% speak Spanish. 83% of Rosser residents were born in Texas, 14% were born out of state, 0% were born outside of the United States and 4% were foreign born.