Greenville, TX has a population of 26,303 and is the 1,638th largest city in the United States. The population density is 815 per sq mi which is 740% higher than the Texas average and 799% higher than the national average. The median age in Greenville is 34 which is approximately 1% lower than the Texas average of 34. In Greenville, 58% of the population over 15 years of age are married, 77% speak English and 21% speak Spanish. 68% of Greenville residents were born in Texas, 20% were born out of state, 0% were born outside of the United States and 11% were foreign born.