Cooper City, FL has a population of 34,364 and is the 1,230th largest city in the United States. The population density is 4,275 per sq mi which is 1356% higher than the Florida average and 4618% higher than the national average. The median age in Cooper City is 40 which is approximately 5% lower than the Florida average of 42. In Cooper City, 60% of the population over 15 years of age are married, 68% speak English and 21% speak Spanish. 43% of Cooper City residents were born in Florida, 31% were born out of state, 3% were born outside of the United States and 23% were foreign born.