Impact, TX has a population of 52 and is the 28,115th largest city in the United States. The population density is 598 per sq mi which is 517% higher than the Texas average and 560% higher than the national average. The median age in Impact is 25 which is approximately 27% lower than the Texas average of 34. In Impact, 81% of the population over 15 years of age are married, 58% speak English and 42% speak Spanish. 81% of Impact residents were born in Texas, 15% were born out of state, 0% were born outside of the United States and 4% were foreign born.