San Perlita, TX has a population of 672 and is the 17,720th largest city in the United States. The population density is 1,294 per sq mi which is 1234% higher than the Texas average and 1328% higher than the national average. The median age in San Perlita is 29 which is approximately 14% lower than the Texas average of 34. In San Perlita, 57% of the population over 15 years of age are married, 29% speak English and 71% speak Spanish. 75% of San Perlita residents were born in Texas, 5% were born out of state, 1% were born outside of the United States and 20% were foreign born.