St. Johns, Apache County, AZ demographics:
population, income, and more

Total population
4,026
0.5% year-over-year change
Median household income
$131,968/yr
46.2% year-over-year change
Housing units
1,219
-12.2% year-over-year change

St. Johns population

How many people live in St. Johns

St. Johns is home to 4,026 residents, according to the most recent Census data. Gender-wise, 51.8% of St. Johns locals are male, and 48.2% are female.

Total population
4,026
0.5% year-over-year change
Gender ratio
Male
51.8%
2,084
Female
48.2%
1,942
Value Percent YoY change
Male 2,084 51.8% 5.0%
Female 1,942 48.2% -3.9%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in St. Johns is 29, with the population distributed as follows: about 35.7% are children under 15, then 12.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 20.2% of the population, while another 21.9% fall into the 45 to 64 bracket. Finally, around 9.4% are 65 or older.

Median age
29
Age breakdown
Under 15
35.7%
15 to 24
12.8%
25 to 44
20.2%
45 to 64
21.9%
Over 65
9.4%
Value Percent YoY change
Under 15 1,439 35.7% 8.9%
15 to 24 514 12.8% -10.1%
25 to 44 815 20.2% -5.5%
45 to 64 881 21.9% -2.5%
Over 65 377 9.4% 9.0%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In St. Johns, 99.2% of the population are US-born citizens, while 0.8% have gained naturalized citizenship. There’s also a share of 12.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
99.2%
Non-U.S.-born citizens
0.8%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 3,995 99.2% 1.9%
Non-U.S.-born citizens 31 0.8% -62.6%
Racial breakdown
White
66%
Black or African American
6.1%
American Indian and Alaska Native
12.8%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
12.3%
Other
2.7%
Value Percent
White 2,659 66%
Black or African American 247 6.1%
American Indian and Alaska Native 515 12.8%
Two or more races 497 12.3%
Other 108 2.7%

Households in St. Johns

A peek inside St. Johns households

St. Johns has 900 households, with an average of 4 members in each. Of these, 87.2% are families, while the remaining 12.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
900
-11.2% year-over-year change
Average people per household
4
Non-family households
115
Family households
785
Value Percent YoY change
Non-family households 115 12.8% -43.6%
Family households 785 87.2% -3.0%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in St. Johns

The housing landscape of St. Johns

St. Johns's housing consists of 1,219 units, with 65.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.3% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 32.3% of the housing landscape.

Housing units
1,219
-12.2% year-over-year change
Housing types
Value Percent
1 unit, detached 798 65.5%
1 unit, attached 4 0.3%
3 or 4 units 23 1.9%
Mobile home 394 32.3%
Homes built since 2020
4
-86.7% year-over-year change

The age of buildings in St. Johns

In St. Johns, the median construction year is 1997. Most development happened in the second half of the 20th century. Then, 20.6% of homes were added from 2000 to 2009, 13.9% between 2010 and 2019, and 0.3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built between 1960 and 1969 86 7% -19.6%
Built between 1970 and 1979 341 28% -3.4%
Built between 1980 and 1989 198 16.2% -7.9%
Built between 1990 and 1999 170 14% -22.7%
Built between 2000 and 2009 251 20.6% -26.0%
Built between 2010 and 2019 169 13.9% 35.2%
Built in 2020 or later 4 0.3% -86.7%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

St. Johns occupancy rates

Out of the 900 occupied housing units in St. Johns, 93.7% are owner-occupied, while 6.3% are lived in by tenants. Meanwhile, 26.2% of all homes on the local market sit vacant.

Occupied housing units
900
-11.2% year-over-year change
Occupancy breakdown
Renter occupied
57
Owner occupied
843
Value Percent YoY
change
Renter occupied 57 6.3% -52.5%
Owner occupied 843 93.7% -5.6%
Unoccupied housing units
26.2%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

St. Johns housing costs

Median housing costs per month
$553/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.

Education in St. Johns

St. Johns education at a glance

About 29.7% of the population in St. Johns went to high school, while 26.9% pursued college studies. Another 15.5% earned an associate degree and 15.2% hold a bachelor’s. Meanwhile, 10.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 46 2% -17.9%
High school diploma 680 29.7% 9.8%
College diploma 617 26.9% -19.6%
Associate degree 355 15.5% 10.2%
Bachelor's degree 349 15.2% -4.9%
Graduate degree 244 10.6% -6.5%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in St. Johns

How much people earn in St. Johns

The average annual household income in St. Johns was $122,876 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4.5% change from the previous year. At the same time, the median income stood at $131,968, reflecting a +46.2% shift over the same period.

Average household income in St. Johns
$122,876/year
4.5% year-over-year change
Median household income in St. Johns
$131,968/year
46.2% year-over-year change

St. Johns income by age

In St. Johns, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $182,953. Those with someone between 45 and 64 in charge, often well established professionally, earn $138,321 overall. Overall, 89.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $182,953 11.5%
45 - 64 $138,321 57.9%
Over 65 $35,786 23.2%
Above poverty level
3,475
Below poverty level
418
Value Percent YoY
change
Above poverty level 3,475 89.3% -0.5%
Below poverty level 418 10.7% 10.6%

Employment in St. Johns

Workforce and job types in St. Johns

The job market in St. Johns is powered by 1,278 working residents, spread across a range of industries and roles. 67.8% of the working population are employed in professional or administrative positions, while 32.2% are in hands-on or service-based jobs. Also, 11.1% run their own businesses, 49.4% are employed by private companies, and 23.9% work in the public sector.

Workforce demographics

Working population
1,278
-7.6% year-over-year change
White collar
866
Blue collar
412
Value Percent YoY change
White collar 866 67.8% -9.9%
Blue collar 412 32.2% -2.4%
Employer type
Self employees
11.1%
Private companies
49.4%
Governmental workers
23.9%
Not for profit companies
15.6%
Value Percent YoY change
Self employees 142 11.1% -0.7%
Private companies 631 49.4% -9.2%
Governmental workers 305 23.9% -3.8%
Not for profit companies 200 15.6% -12.3%
Unemployment rate
0.3%
-90.7% year-over-year change

Available workforce

The unemployment rate in St. Johns stands at 0.3%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in St. Johns

How people get around in St. Johns

Means of transportation
Value Percent YoY change
Car 1,045 100% -4.0%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in St. Johns by zipcode?

Zipcode Population Number of households Median income Average income
85936 3,909 822 $131,238 $166,868

Explore more communities

FAQs about St. Johns demographics 

What is the total population of St. Johns?

St. Johns has a total population of 4,026 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.5% compared to a year ago.

What is the gender ratio in St. Johns?

The gender ratio in St. Johns is as follows:
  • 51.8% males (2,084 residents)
  • 48.2% females (1,942 residents)

What is the median age in St. Johns?

The median age in St. Johns is 29.

What is the age distribution of the population in St. Johns?

The age distribution in St. Johns is as follows:
  • Under 15: 35.7% (1,439 residents)
  • Ages 15-24: 12.8% (514 residents)
  • Ages 25-44: 20.2% (815 residents)
  • Ages 45-64: 21.9% (881 residents)
  • Over 65: 9.4% (377 residents)

What is the racial and ethnic makeup of St. Johns?

The racial and ethnic makeup of St. Johns is as follows:
  • White: 66% (2,659 residents)
  • Black or African American: 6.1% (247 residents)
  • American Indian and Alaska Native: 12.8% (515 residents)
  • Asian: 0% ( residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 12.3% (497 residents)
  • Other: 2.7% (108 residents)

What percentage of the population in St. Johns are U.S.-born citizens?

U.S.-born citizens represent 99.2% of the population in St. Johns.

How many housing units are there in St. Johns?

There are 1,219 housing units in St. Johns, reflecting a -12.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in St. Johns and what is the average household size?

St. Johns has a total of 900 households, with an average of 4 people in each.

What is the median household income in St. Johns?

St. Johns has a median household income of $131,968, representing a +46.2% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for St. Johns?

The employment rate is 99.7% in St. Johns, with a workforce of 1,278 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 67.8% (866 residents)
  • Blue-collar workers: 32.2% (412 residents)

Places of employment:
  • Self-employed: 11.1% (142 residents)
  • Private companies: 49.4% (631 residents)
  • Governmental workers: 23.9% (305 residents)
  • Not-for-profit companies: 15.6% (200 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025