Naples, TX has a population of 1,475 and is the 12,789th largest city in the United States. The population density is 623 per sq mi which is 543% higher than the Texas average and 588% higher than the national average. The median age in Naples is 33 which is approximately 3% lower than the Texas average of 34. In Naples, 53% of the population over 15 years of age are married, 97% speak English and 3% speak Spanish. 81% of Naples residents were born in Texas, 15% were born out of state, 3% were born outside of the United States and 1% were foreign born.