Penitas, TX has a population of 4,728 and is the 6,705th largest city in the United States. The population density is 1,193 per sq mi which is 1131% higher than the Texas average and 1217% higher than the national average. The median age in Penitas is 27 which is approximately 22% lower than the Texas average of 34. In Penitas, 63% of the population over 15 years of age are married, 3% speak English and 97% speak Spanish. 61% of Penitas residents were born in Texas, 7% were born out of state, 0% were born outside of the United States and 32% were foreign born.