St. Johns, Arizona Demographics & Population 2026
During the 2020–2024 ACS period, St. Johns, Arizona had a total population of 3,395, the 118th largest city in Arizona, with a median household income of $131,968, which is 65% higher than the state average. The poverty rate is 4.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 65% above the state average — one of the wealthiest communities in Arizona.
- An exceptionally low poverty rate of 4.8% — among the lowest in Arizona.
- Housing is very affordable with a home-value-to-income ratio of just 1.5x.
St. Johns Quick Facts
How St. Johns 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 | 3,409 | 3,395 | -0.4% |
| Median household income | $128,920 | $131,968 | +2.4% |
| Median home value | $180,900 | $203,400 | +12.4% |
How St. Johns 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
Moderate diversity with one or two groups making up the majority.
State average: 62 | National average: 61
Education
Educational Attainment (Adults 25+)
St. Johns Rankings in Arizona
Explore Arizona Rankings
Other Cities in Apache County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Eagar | 4,416 | $82,839 | 14.9% | $247,800 |
| Chinle | 4,147 | $53,239 | 28.4% | $39,200 |
| Fort Defiance | 3,351 | $56,045 | 13.3% | $37,400 |
| Window Rock | 2,477 | $55,694 | 24.9% | $84,900 |
| Springerville | 2,008 | $49,051 | 8.5% | $202,200 |
| Lukachukai | 1,969 | $37,011 | 35.0% | $51,400 |
| Tsaile | 1,696 | $48,819 | 46.2% | $46,700 |
| St. Michaels | 1,142 | $65,556 | 13.9% | $202,500 |
| Many Farms | 876 | $32,981 | 36.9% | $56,900 |
| Teec Nos Pos | 712 | $44,688 | 33.0% | $79,700 |
Cities Similar to St. Johns
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Carefree | 3,683 | $147,165 | $1,088,100 | 61.0% | 11.3% |
| Kachina Village | 3,212 | $90,375 | $413,500 | 51.8% | 4.3% |
| Pima | 2,995 | $97,960 | $267,300 | 15.3% | 5.1% |
| Williams | 3,369 | $76,136 | $477,200 | 24.8% | 13.5% |
| Red Rock (Pinal County) | 3,277 | $80,357 | $289,600 | 36.0% | 5.1% |
Population Overview
St. Johns is a small community located in Arizona, within Apache County. The total population is 3,395. It ranks as the 118th most populous out of 441 Census-designated places in Arizona.
Age Demographics
The median age in St. Johns is 23.6 years. This is 39% lower than the state median of 39.0 years. With 45.6% of the population under 18, St. Johns has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in St. Johns is $131,968. This is 65% higher than the state median of $79,964. It is also 63% higher than the national median of $80,734. The poverty rate stands at 4.8%. This is 62% lower than the state poverty rate of 12.5%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in St. Johns, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $203,400. Housing costs are 48% lower than the state median of $394,500. With a home-value-to-income ratio of just 1.5x, St. Johns is one of the most affordable housing markets in the area. 96.7% of occupied housing units are owner-occupied. This homeownership rate is 44% higher than the state average of 67.4%.
Race & Ethnicity
The largest racial or ethnic group in St. Johns is White (non-Hispanic), making up 68.7% of the population. Hispanic or Latino residents account for 20.3%. The Black or African American population is significantly higher than the state average (7.3% vs 4.4%).
Education
33.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 1% higher 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 97.7%.
Data Sources & Methodology
All demographic data for St. Johns, 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 St. Johns, Arizona?
St. Johns, Arizona has a population of 3,395 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Johns, AZ?
The median household income in St. Johns is $131,968, which is 63% higher than the national median of $80,734.
What is the poverty rate in St. Johns, AZ?
The poverty rate in St. Johns is 4.8%. This means approximately 159 residents live below the federal poverty line.
What is the racial makeup of St. Johns, Arizona?
St. Johns's population is 68.7% White, 7.3% Black, 20.3% Hispanic/Latino, and 0.0% Asian.
What is the median home value in St. Johns, AZ?
The median home value in St. Johns is $203,400. The home-value-to-income ratio is 1.5x.
How educated is St. Johns, Arizona?
33.7% of adults (25+) in St. Johns hold a bachelor's degree or higher, and 14.1% hold a graduate or professional degree.