St. Johns, IL demographics:
population, income, and more

Total population
184
37.3% year-over-year change
Median household income
$62,500/yr
59.1% year-over-year change
Housing units
106
19.1% year-over-year change

St. Johns population

How many people live in St. Johns

St. Johns is home to 184 residents, according to the most recent Census data. Gender-wise, 50.5% of St. Johns locals are male, and 49.5% are female.

Total population
184
37.3% year-over-year change
Gender ratio
Male
50.5%
93
Female
49.5%
91
Value Percent YoY change
Male 93 50.5% 52.5%
Female 91 49.5% 24.7%
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 46, with the population distributed as follows: about 10.3% are children under 15, then 12% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.1% of the population, while another 35.9% fall into the 45 to 64 bracket. Finally, around 15.8% are 65 or older.

Median age
46.4
Age breakdown
Under 15
10.3%
15 to 24
12%
25 to 44
26.1%
45 to 64
35.9%
Over 65
15.8%
Value Percent YoY change
Under 15 19 10.3% 26.7%
15 to 24 22 12% 37.5%
25 to 44 48 26.1% 108.7%
45 to 64 66 35.9% 37.5%
Over 65 29 15.8% -9.4%
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, 92.9% of the population are US-born citizens, while 2.2% have gained naturalized citizenship. At the same time, 4.9% of residents are non-citizens. There’s also a share of 10.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
92.9%
Non-U.S.-born citizens
2.2%
Non-citizens
4.9%
Value Percent YoY change
U.S.-born citizens 171 92.9% 30.5%
Non-U.S.-born citizens 4 2.2% 300.0%
Non-citizens 9 4.9% 350.0%
Racial breakdown
White
79.9%
Black or African American
0%
American Indian and Alaska Native
0.5%
Asian
9.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
10.3%
Other
0%
Value Percent
White 147 79.9%
American Indian and Alaska Native 1 0.5%
Asian 17 9.2%
Two or more races 19 10.3%

Households in St. Johns

A peek inside St. Johns households

St. Johns has 92 households, with an average of 2 members in each. Of these, 53.3% are families, while the remaining 46.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
92
35.3% year-over-year change
Average people per household
2
Non-family households
43
Family households
49
Value Percent YoY change
Non-family households 43 46.7% 48.3%
Family households 49 53.3% 25.6%
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 106 units, with 49.1% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 28.3% of the housing landscape.

Housing units
106
19.1% year-over-year change
Housing types
Value Percent
1 unit, detached 52 49.1%
2 units 4 3.8%
3 or 4 units 8 7.6%
5 to 9 units 12 11.3%
Mobile home 30 28.3%
Homes built since 2020
5
0.0% year-over-year change

The age of buildings in St. Johns

In St. Johns, the median construction year is 1977. About 19.8% of homes were built before the 1940s, with another 6.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 6.6% of homes were added from 2000 to 2009, 9.4% between 2010 and 2019, and 4.7% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 21 19.8% 5.0%
Built between 1940 and 1949 7 6.6% -12.5%
Built between 1950 and 1959 5 4.7% -28.6%
Built between 1960 and 1969 1 0.9% 0.0%
Built between 1970 and 1979 28 26.4% 100.0%
Built between 1980 and 1989 16 15.1% 33.3%
Built between 1990 and 1999 6 5.7% -14.3%
Built between 2000 and 2009 7 6.6% -50.0%
Built between 2010 and 2019 10 9.4% 900.0%
Built in 2020 or later 5 4.7% 0.0%
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 92 occupied housing units in St. Johns, 58.7% are owner-occupied, while 41.3% are lived in by tenants. Meanwhile, 13.2% of all homes on the local market sit vacant.

Occupied housing units
92
35.3% year-over-year change
Occupancy breakdown
Renter occupied
38
Owner occupied
54
Value Percent YoY
change
Renter occupied 38 41.3% 137.5%
Owner occupied 54 58.7% 3.9%
Unoccupied housing units
13.2%
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

Housing costs in St. Johns come to a median of $717 per month, while tenants specifically pay a median gross rent of $720.

Median housing costs per month
$717/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.
Median gross rent in St. Johns
$720/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in St. Johns

St. Johns education at a glance

About 37.2% of the population in St. Johns went to high school, while 23.1% pursued college studies. Another 19.2% earned an associate degree and 5.8% hold a bachelor’s. Meanwhile, 11.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 5 3.2% 0.0%
High school diploma 58 37.2% 9.4%
College diploma 36 23.1% 28.6%
Associate degree 30 19.2% 76.5%
Bachelor's degree 9 5.8% 12.5%
Graduate degree 18 11.5% 200.0%
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 $66,440 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +32.8% change from the previous year. At the same time, the median income stood at $62,500, reflecting a +59.1% shift over the same period.

Average household income in St. Johns
$66,440/year
32.8% year-over-year change
Median household income in St. Johns
$62,500/year
59.1% 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 $82,656. Those with someone between 45 and 64 in charge, often well established professionally, earn $80,250 overall. Overall, 85.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $82,656 17.4%
45 - 64 $80,250 N/A
Over 65 $40,625 30.0%
Above poverty level
152
Below poverty level
26
Value Percent YoY
change
Above poverty level 152 85.4% 29.9%
Below poverty level 26 14.6% 73.3%

Average renter income in St. Johns

To get a better sense of what renters earn on average in St. Johns, their median household income was $23,125 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 37.4%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$23,125
Rent-to-income ratio
37.4%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in St. Johns

Workforce and job types in St. Johns

The job market in St. Johns is powered by 112 working residents, spread across a range of industries and roles. 76.8% of the working population are employed in professional or administrative positions, while 23.2% are in hands-on or service-based jobs. Also, 8.9% run their own businesses, 58% are employed by private companies, and 25% work in the public sector.

Workforce demographics

Working population
112
69.7% year-over-year change
White collar
86
Blue collar
26
Value Percent YoY change
White collar 86 76.8% 75.5%
Blue collar 26 23.2% 52.9%
Employer type
Self employees
8.9%
Private companies
58%
Governmental workers
25%
Not for profit companies
8%
Value Percent YoY change
Self employees 10 8.9% 900.0%
Private companies 65 58% 47.7%
Governmental workers 28 25% 75.0%
Not for profit companies 9 8% 80.0%
Unemployment rate
4.3%
25.0% year-over-year change

Available workforce

The unemployment rate in St. Johns stands at 4.3%, 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

Commuting methods vary: 92% of residents travel by personal vehicle and 1.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 103 92% 83.9%
Bus or trolleybus 2 1.8% -50.0%
Bicycle 2 1.8% 0.0%
Walk 2 1.8% N/A
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
62832 8,865 3,625 $59,652 $74,898

Explore more communities

FAQs about St. Johns demographics 

What is the total population of St. Johns?

St. Johns has a total population of 184 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 +37.3% compared to a year ago.

What is the gender ratio in St. Johns?

The gender ratio in St. Johns is as follows:
  • 50.5% males (93 residents)
  • 49.5% females (91 residents)

What is the median age in St. Johns?

The median age in St. Johns is 46.4.

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

The age distribution in St. Johns is as follows:
  • Under 15: 10.3% (19 residents)
  • Ages 15-24: 12% (22 residents)
  • Ages 25-44: 26.1% (48 residents)
  • Ages 45-64: 35.9% (66 residents)
  • Over 65: 15.8% (29 residents)

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

The racial and ethnic makeup of St. Johns is as follows:
  • White: 79.9% (147 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0.5% (1 residents)
  • Asian: 9.2% (17 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 10.3% (19 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 92.9% of the population in St. Johns.

How many housing units are there in St. Johns?

There are 106 housing units in St. Johns, reflecting a +19.1% 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 92 households, with an average of 2 people in each.

What is the median household income in St. Johns?

St. Johns has a median household income of $62,500, representing a +59.1% 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 95.7% in St. Johns, with a workforce of 112 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 76.8% (86 residents)
  • Blue-collar workers: 23.2% (26 residents)

Places of employment:
  • Self-employed: 8.9% (10 residents)
  • Private companies: 58% (65 residents)
  • Governmental workers: 25% (28 residents)
  • Not-for-profit companies: 8% (9 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