Earth, TX has a population of 1,064 and is the 14,765th largest city in the United States. The population density is 886 per sq mi which is 814% higher than the Texas average and 877% higher than the national average. The median age in Earth is 39 which is approximately 13% higher than the Texas average of 34. In Earth, 68% of the population over 15 years of age are married, 51% speak English and 47% speak Spanish. 66% of Earth residents were born in Texas, 22% were born out of state, 2% were born outside of the United States and 10% were foreign born.