Grapevine, TX has a population of 50,538 and is the 809th largest city in the United States. The population density is 1,581 per sq mi which is 1531% higher than the Texas average and 1645% higher than the national average. The median age in Grapevine is 38 which is approximately 11% higher than the Texas average of 34. In Grapevine, 59% of the population over 15 years of age are married, 75% speak English and 18% speak Spanish. 46% of Grapevine residents were born in Texas, 35% were born out of state, 3% were born outside of the United States and 16% were foreign born.