St. Johns city, Arizona Demographics & Population 2026
As of 2026, St. Johns city, Arizona has a total population of 3,409, the 115th largest city in Arizona, with a median household income of $128,920, which is 68% higher than the state average. The poverty rate is 6.9%.
Key Takeaways
- Household income is 68% above the state average — one of the wealthiest communities in Arizona.
- Housing is very affordable with a home-value-to-income ratio of just 1.4x.
- Near full employment with an unemployment rate of just 2.1%.
St. Johns city Quick Facts
How St. Johns city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 61 | National average: 60
Education
Educational Attainment (Adults 25+)
St. Johns city Rankings in Arizona
Explore Arizona Rankings
Cities Similar to St. Johns city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Carefree town | 3,672 | $141,331 | $1,066,600 | 61.6% | 11.8% |
| Sacaton CDP | 2,999 | N/A | $102,700 | 3.1% | 29.9% |
| Parker town | 3,379 | $74,643 | $253,300 | 22.7% | 10.7% |
| Red Rock CDP (Pinal County) | 3,243 | $79,167 | $252,500 | 30.8% | 4.7% |
| Pima town | 2,910 | $97,238 | $261,700 | 17.9% | 5.2% |
Population Overview
St. Johns city is a small community located in Arizona. The total population is 3,409. It ranks as the 115th most populous out of 445 cities and towns in Arizona.
Age Demographics
The median age in St. Johns city is 26.7 years. This is 31% lower than the state median of 38.8 years. With 43.7% of the population under 18, St. Johns city has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in St. Johns city is $128,920. This is 68% higher than the state median of $76,872. Compared to the national median of $78,538, household income here is 64% higher. The poverty rate stands at 6.9%. This is 46% lower than the state poverty rate of 12.8%. The unemployment rate is 2.1%. This is 59% lower than the state rate of 5.2%. The median home value is $180,900. Housing costs are 50% lower than the state median of $358,900. With a home-value-to-income ratio of just 1.4x, St. Johns city is one of the most affordable housing markets in the area. 89.2% of occupied housing units are owner-occupied. This homeownership rate is 33% higher than the state average of 67.0%.
Race & Ethnicity
The largest racial or ethnic group in St. Johns city is White (non-Hispanic), making up 69.0% of the population. Hispanic or Latino residents account for 21.7%. The Black or African American population is significantly higher than the state average (6.6% vs 4.4%).
Education
34.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 5% higher 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 96.2%.
Data Sources & Methodology
All demographic data for St. Johns 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.
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Frequently Asked Questions
What is the population of St. Johns city, Arizona?
St. Johns city, Arizona has a population of 3,409 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Johns city, AZ?
The median household income in St. Johns city is $128,920, which is 64% higher the national median of $78,538.
What is the poverty rate in St. Johns city, AZ?
The poverty rate in St. Johns city is 6.9%. This means approximately 230 residents live below the federal poverty line.
What is the racial makeup of St. Johns city, Arizona?
St. Johns city's population is 69.0% White, 6.6% Black, 21.7% Hispanic/Latino, and 0.0% Asian.
What is the median home value in St. Johns city, AZ?
The median home value in St. Johns city is $180,900. The home-value-to-income ratio is 1.4x.
How educated is St. Johns city, Arizona?
34.2% of adults (25+) in St. Johns city hold a bachelor's degree or higher, and 14.2% hold a graduate or professional degree.