Kemp, TX has a population of 1,449 and is the 12,897th largest city in the United States. The population density is 801 per sq mi which is 726% higher than the Texas average and 784% higher than the national average. The median age in Kemp is 30 which is approximately 13% lower than the Texas average of 34. In Kemp, 52% of the population over 15 years of age are married, 94% speak English and 6% speak Spanish. 82% of Kemp residents were born in Texas, 15% were born out of state, 1% were born outside of the United States and 2% were foreign born.