Southside Place, TX has a population of 1,746 and is the 11,822nd largest city in the United States. The population density is 7,005 per sq mi which is 7127% higher than the Texas average and 7632% higher than the national average. The median age in Southside Place is 39 which is approximately 13% higher than the Texas average of 34. In Southside Place, 71% of the population over 15 years of age are married, 75% speak English and 11% speak Spanish. 45% of Southside Place residents were born in Texas, 30% were born out of state, 4% were born outside of the United States and 21% were foreign born.