Midway South, TX has a population of 2,701 and is the 9,369th largest city in the United States. The population density is 2,607 per sq mi which is 2589% higher than the Texas average and 2777% higher than the national average. The median age in Midway South is 22 which is approximately 35% lower than the Texas average of 34. In Midway South, 55% of the population over 15 years of age are married, 11% speak English and 89% speak Spanish. 76% of Midway South residents were born in Texas, 8% were born out of state, 1% were born outside of the United States and 15% were foreign born.