San Luis city, Arizona Demographics & Population 2026

Population Overview

San Luis city is a mid-sized community located in Arizona. The total population is 35,998. It ranks as the 31st most populous out of 445 cities and towns in Arizona.

Age Demographics

The median age in San Luis city is 33.2 years. This is 14% lower than the state median of 38.8 years.

Economy, Income & Housing

The median household income in San Luis city is $57,364. This is 25% lower than the state median of $76,872. Compared to the national median of $78,538, household income here is 27% lower. The poverty rate stands at 21.9%. This is 71% higher than the state poverty rate of 12.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 10.8%. This is 109% higher than the state rate of 5.2%. The median home value is $197,400. Housing costs are 45% lower than the state median of $358,900. The home-value-to-income ratio is 3.4x. 68.4% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 67.0%.

Race & Ethnicity

San Luis city has a predominantly Hispanic or Latino population, comprising 93.0% of all residents. White (non-Hispanic) residents account for 4.2%. The White (non-Hispanic) population (4.2%) is well below the state average of 53.4%. The Black or African American population (1.6%) is well below the state average of 4.4%. The Hispanic or Latino population is significantly higher than the state average (93.0% vs 31.0%). The Asian population (0.1%) is well below the state average of 3.3%.

Education

9.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 71% lower than the state rate of 32.6%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 54.9%.

Data Sources & Methodology

All demographic data for San Luis city, Arizona is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Arizona state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 445 Census-designated places in Arizona. For official data, visit data.census.gov.