Conroe, TX has a population of 74,482 and is the 477th largest city in the United States. The population density is 1,070 per sq mi which is 1003% higher than the Texas average and 1081% higher than the national average. The median age in Conroe is 34 which is approximately 1% lower than the Texas average of 34. In Conroe, 54% of the population over 15 years of age are married, 71% speak English and 26% speak Spanish. 56% of Conroe residents were born in Texas, 25% were born out of state, 1% were born outside of the United States and 18% were foreign born.