Orange Grove, TX has a population of 1,488 and is the 12,740th largest city in the United States. The population density is 1,375 per sq mi which is 1117% higher than the Texas average and 1418% higher than the national average. The median age in Orange Grove is 33 which is approximately 5% lower than the Texas average of 34. In Orange Grove, 75% of the population over 15 years of age are married, 72% speak English and 28% speak Spanish. 90% of Orange Grove residents were born in Texas, 5% were born out of state, 0% were born outside of the United States and 5% were foreign born.