San Luis is a city located in Yuma County Arizona. With a 2020 population of 37,488, it is the 27th largest city in Arizona and the 1045th largest city in the United States . San Luis is currently growing at a rate of 3.75% annually and its population has increased by 46.98% since the most recent census, which recorded a population of 25,505 in 2010. San Luis reached it's highest population of 37,488 in 2021. Spanning over 34 miles, San Luis has a population density of 1,100 people per square mile.
The average household income in San Luis is $49,945 with a poverty rate of 24.23%. The median rental costs in recent years comes to $671 per month, and the median house value is $117,400. The median age in San Luis is 30 years, 28.7 years for males, and 31.4 years for females.