La Marque, TX has a population of 15,567 and is the 2,748th largest city in the United States. The population density is 1,118 per sq mi which is 1053% higher than the Texas average and 1134% higher than the national average. The median age in La Marque is 40 which is approximately 18% higher than the Texas average of 34. In La Marque, 52% of the population over 15 years of age are married, 79% speak English and 19% speak Spanish. 70% of La Marque residents were born in Texas, 19% were born out of state, 0% were born outside of the United States and 10% were foreign born.