San Luis, Arizona Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
San Luis, AZ Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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C
Health Below average
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D
Income Well below average
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F
Education Well below average
Source: Map AI Methodology
Population
| Metric | San Luis | Arizona Avg | U.S. Average |
|---|---|---|---|
| Population | 24,854 | 7,356,359 | 337,468,954 |
| Population density (per sq mi) | 733.2 | 64.6 | 86.4 |
| Population growth (%/yr) | 1.44% | 1.15% | 0.59% |
| Median age | 30.9 | 37.3 | 37.3 |
| Households | 7,205 | 2,847,012 | 130,235,071 |
Population in San Luis grew by 63.0% from 2009 to 2024, reaching 24,854 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in San Luis is Gen Z, aged 13–28, at 27.0% of residents. That is 4.8 points above Arizona as a whole.
- Gen Z 13–28 6,722 27.0% +4.8 pts
- Millennials 29–44 4,941 19.9% -1.7 pts
- Gen X 45–60 4,916 19.8% +0.7 pts
- Boomers 61–79 2,411 9.7% -7.9 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Arizona, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 49.4% of the people living in San Luis and men 50.6%.
- Women 49.4% Arizona 50.0%
- Men 50.6% Arizona 50.0%
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Economy
San Luis has a the economy index of D, which means it is barely prosperous.
| Metric | San Luis | Arizona Avg | U.S. Average |
|---|---|---|---|
| Median household income | $59,364 | $80,381 | $80,455 |
| Income growth (%/yr) | 7.82% | 5.72% | 4.80% |
| Unemployment rate | 9.0% | 5.1% | 5.2% |
The median household income in San Luis is about 26% lower than in Arizona.
Housing
| Metric | San Luis | Arizona Avg | U.S. Average |
|---|---|---|---|
| Median home price | $112,500 | $367,851 | $248,835 |
| Median rent | $747 | $1,543 | $1,407 |
| Homeownership rate | 73.5% | 67.4% | 65.2% |
The median home price in San Luis is about 12.5 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $747 per month for that long.
Commute Time & Mobility
Commuters in San Luis spend about 56 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 235 hours, about 9.8 full days, spent commuting.
| Metric | San Luis | Arizona Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 28.2 | 22.4 | 22.4 |
| Round-trip commute (min) | 56.4 | 44.9 | 44.8 |
| Yearly time spent (hours) | 235 | 187 | 187 |
| Estimated yearly cost | $7,282 | $5,798 | $5,790 |
| Work from home | 7.3% | 18.4% | 15.0% |
| Highway traffic (vehicles/day) | 1,879 | 9,219 | 8,813 |
| Local road traffic (vehicles/day) | 1,506 | 1,948 | 1,355 |
The average commute time in San Luis is 28 minutes, longer than the 22 minutes in Arizona.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
San Luis has a education index of F, which means it scores poorly in education.
| Metric | San Luis | Arizona Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 9.2% | 29.1% | 31.6% |
| Average household size | 3.32 | 2.53 | 2.53 |
Health
San Luis has a health index of C, which means it is somewhat healthy.
| Metric | San Luis | Arizona Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 77.2 | 78.3 | 78.3 |
| Self-rated poor health | 27.4% | 19.4% | 16.3% |
| Smokers | 18.4% | 19.5% | 19.0% |
Frequently Asked Questions
Common questions about San Luis, Arizona.
How big is San Luis, Arizona by population?
About 24,854 people live in San Luis, Arizona, in 7,205 households of 3.3 people on average. The median age is 30.9, so residents are younger than the U.S. median of 37.3 by about 6 years.
Is San Luis, Arizona mostly urban or rural?
Averaged over its land area, San Luis, Arizona has 733 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 8.5 times the U.S. average of 86.
How affordable is housing in San Luis, Arizona?
The median home costs 1.9 times the median household income ($112,500 against $59,364), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $747 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is unemployment high in San Luis, Arizona?
Unemployment in San Luis, Arizona is 9.0%, well above the U.S. rate of 5.2%, so job seekers may face more competition than elsewhere.
How common is a college degree in San Luis, Arizona?
9.2% of adults in San Luis, Arizona hold a bachelor's degree or higher (about 1 in 11), well below the U.S. share of 31.6%.
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