San Luis, Arizona Demographics & Population 2026
During the 2020–2024 ACS period, San Luis, Arizona had a total population of 37,337, the 31st largest city in Arizona, with a median household income of $59,400, which is 26% lower than the state average. The poverty rate is 18.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 9.3% of adults have a bachelor's degree, well below the national average of 35.7%.
San Luis Quick Facts
How San Luis Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 35,998 | 37,337 | +3.7% |
| Median household income | $57,364 | $59,400 | +3.5% |
| Median home value | $197,400 | $224,900 | +13.9% |
How San Luis Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 62 | National average: 61
Education
Educational Attainment (Adults 25+)
San Luis Rankings in Arizona
Explore Arizona Rankings
Other Cities in Yuma County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Yuma | 100,139 | $65,482 | 15.5% | $230,000 |
| Fortuna Foothills | 28,896 | $60,474 | 12.1% | $199,200 |
| Somerton | 14,574 | $74,015 | 13.9% | $232,600 |
| Avenue B and C | 4,001 | $44,240 | 19.8% | $14,700 |
| Wellton | 2,527 | $58,470 | 8.2% | $55,600 |
| Rancho Mesa Verde | 759 | N/A | 0.0% | $186,100 |
| Donovan Estates | 507 | $38,542 | 8.3% | $152,900 |
| Gadsden | 493 | $43,535 | 34.9% | $155,800 |
| Yuma Proving Ground | 468 | $72,712 | 0.0% | N/A |
| Wall Lane | 374 | $81,750 | 11.0% | $137,500 |
Cities Similar to San Luis
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Sun City | 37,486 | $54,586 | $280,900 | 26.0% | 11.2% |
| Kingman | 34,375 | $61,792 | $267,700 | 20.0% | 14.3% |
| Apache Junction | 41,058 | $60,975 | $211,500 | 18.1% | 10.6% |
| El Mirage | 36,088 | $78,050 | $321,900 | 15.8% | 12.5% |
| Bullhead City | 42,496 | $50,556 | $211,500 | 15.2% | 18.8% |
Population Overview
San Luis is a mid-sized community located in Arizona, within Yuma County. The total population is 37,337. It ranks as the 31st most populous out of 441 Census-designated places in Arizona.
Age Demographics
The median age in San Luis is 33.0 years. This is 15% lower than the state median of 39.0 years.
Economy, Income & Housing
The median household income in San Luis is $59,400. This is 26% lower than the state median of $79,964. It is also 26% lower than the national median of $80,734. The poverty rate stands at 18.1%. This is 45% higher than the state poverty rate of 12.5%. The unemployment rate is 8.0%. This is 56% higher than the state rate of 5.1%. The median home value is $224,900. Housing costs are 43% lower than the state median of $394,500. The home-value-to-income ratio is 3.8x. 68.4% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 67.4%.
Race & Ethnicity
San Luis has a predominantly Hispanic or Latino population, comprising 92.4% of all residents. White (non-Hispanic) residents account for 4.7%. The White (non-Hispanic) population (4.7%) is well below the state average of 52.6%. The Black or African American population (1.9%) is well below the state average of 4.4%. The Hispanic or Latino population is significantly higher than the state average (92.4% vs 31.4%). The Asian population (0.1%) is well below the state average of 3.5%.
Education
9.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 72% lower than the state rate of 33.3%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 58.0%.
Data Sources & Methodology
All demographic data for San Luis, Arizona is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Arizona state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 441 Census-designated places in Arizona. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of San Luis, Arizona?
San Luis, Arizona has a population of 37,337 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in San Luis, AZ?
The median household income in San Luis is $59,400, which is 26% lower than the national median of $80,734.
What is the poverty rate in San Luis, AZ?
The poverty rate in San Luis is 18.1%. This means approximately 5,913 residents live below the federal poverty line.
What is the racial makeup of San Luis, Arizona?
San Luis's population is 4.7% White, 1.9% Black, 92.4% Hispanic/Latino, and 0.1% Asian.
What is the median home value in San Luis, AZ?
The median home value in San Luis is $224,900. The home-value-to-income ratio is 3.8x.
How educated is San Luis, Arizona?
9.3% of adults (25+) in San Luis hold a bachelor's degree or higher, and 1.7% hold a graduate or professional degree.