San Carlos is a city located in California. With a 2020 population of 31,330, it is the 235th largest city in California and the 1240th largest city in the United States. San Carlos is currently growing at a rate of 1.57% annually and its population has increased by 10.29% since the most recent census, which recorded a population of 28,406 in 2010. Spanning over 6 miles, San Carlos has a population density of 5,682 people per square mile.
The average household income in San Carlos is $220,064 with a poverty rate of 2.93%. The median rental costs in recent years comes to $2,182 per month, and the median house value is $1.50 Mn. The median age in San Carlos is 42.2 years, 40.7 years for males, and 43.4 years for females. For every 100 females there are 92.8 males.