San Carlos is a city located in Texas. San Carlos has a 2020 population of 4,020. San Carlos is currently declining at a rate of 0.00% annually and its population has increased by 28.43% since the most recent census, which recorded a population of 3,130 in 2010. San Carlos reached it's highest population of 4,020 in 2019.
The average household income in San Carlos is $35,510 with a poverty rate of 37.34%. The median rental costs in recent years comes to $434 per month, and the median house value is $57,100. The median age in San Carlos is 25.6 years, 28.7 years for males, and 25.5 years for females.