Coolidge, TX has a population of 882 and is the 15,929th largest city in the United States. The population density is 929 per sq mi which is 858% higher than the Texas average and 925% higher than the national average. The median age in Coolidge is 31 which is approximately 10% lower than the Texas average of 34. In Coolidge, 62% of the population over 15 years of age are married, 46% speak English and 53% speak Spanish. 63% of Coolidge residents were born in Texas, 3% were born out of state, 0% were born outside of the United States and 34% were foreign born.