St. John, MO demographics:
population, income, and more

Total population
6,527
-0.5% year-over-year change
Median household income
$53,755/yr
6.6% year-over-year change
Housing units
2,875
-3.1% year-over-year change

St. John population

How many people live in St. John

St. John is home to 6,527 residents, according to the most recent Census data. Gender-wise, 48.5% of St. John locals are male, and 51.5% are female.

Total population
6,527
-0.5% year-over-year change
Gender ratio
Male
48.5%
3,165
Female
51.5%
3,362
Value Percent YoY change
Male 3,165 48.5% -3.0%
Female 3,362 51.5% 1.9%
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. John is 36, with the population distributed as follows: about 21.2% are children under 15, then 5% are in the 15 to 24 age group. Adults between 25 and 44 make up 36.4% of the population, while another 21.3% fall into the 45 to 64 bracket. Finally, around 16% are 65 or older.

Median age
36
Age breakdown
Under 15
21.2%
15 to 24
5%
25 to 44
36.4%
45 to 64
21.3%
Over 65
16%
Value Percent YoY change
Under 15 1,387 21.2% 1.8%
15 to 24 325 5% -12.6%
25 to 44 2,378 36.4% 10.4%
45 to 64 1,390 21.3% -10.9%
Over 65 1,047 16% -6.0%
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. John, 92% of the population are US-born citizens, while 3.8% have gained naturalized citizenship. At the same time, 4.2% of residents are non-citizens. As for race, 48.7% of locals are Caucasian, 36.2% are African American and 0.4% have Asian roots. There’s also a share of 3.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
92%
Non-U.S.-born citizens
3.8%
Non-citizens
4.2%
Value Percent YoY change
U.S.-born citizens 6,006 92% -0.7%
Non-U.S.-born citizens 246 3.8% -2.4%
Non-citizens 275 4.2% 5.0%
Racial breakdown
White
48.7%
Black or African American
36.2%
American Indian and Alaska Native
0%
Asian
0.4%
Native Hawaiian and other Pacific Islander
0%
Two or more races
3.6%
Other
11.2%
Value Percent
White 3,176 48.7%
Black or African American 2,366 36.2%
Asian 24 0.4%
Two or more races 233 3.6%
Other 728 11.2%

Households in St. John

A peek inside St. John households

St. John has 2,741 households, with an average of 2 members in each. Of these, 61.2% are families, while the remaining 38.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
2,741
-3.0% year-over-year change
Average people per household
2
Non-family households
1,063
Family households
1,678
Value Percent YoY change
Non-family households 1,063 38.8% 3.5%
Family households 1,678 61.2% -6.8%
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. John

The housing landscape of St. John

St. John's housing consists of 2,875 units, with 89.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.6% and offer a more compact, shared living style.

Housing units
2,875
-3.1% year-over-year change
Housing types
Value Percent
1 unit, detached 2,582 89.8%
1 unit, attached 17 0.6%
2 units 239 8.3%
3 or 4 units 37 1.3%
Homes built since 2020
0
% year-over-year change

The age of buildings in St. John

In St. John, the median construction year is 1951. About 23.2% of homes were built before the 1940s, with another 22.2% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 666 23.2% 11.0%
Built between 1940 and 1949 639 22.2% 15.3%
Built between 1950 and 1959 996 34.6% -10.0%
Built between 1960 and 1969 279 9.7% -44.1%
Built between 1970 and 1979 139 4.8% 7.8%
Built between 1980 and 1989 66 2.3% 32.0%
Built between 2000 and 2009 63 2.2% N/A
Built between 2010 and 2019 27 0.9% -3.6%
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. John occupancy rates

Out of the 2,741 occupied housing units in St. John, 58.6% are owner-occupied, while 41.4% are lived in by tenants. Meanwhile, 4.7% of all homes on the local market sit vacant.

Occupied housing units
2,741
-3.0% year-over-year change
Occupancy breakdown
Renter occupied
1,135
Owner occupied
1,606
Value Percent YoY
change
Renter occupied 1,135 41.4% -2.7%
Owner occupied 1,606 58.6% -3.2%
Unoccupied housing units
4.7%
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. John housing costs

Housing costs in St. John come to a median of $1,078 per month, while tenants specifically pay a median gross rent of $1,159.

Median housing costs per month
$1,078/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. John
$1,159/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. John

St. John education at a glance

About 47.9% of the population in St. John went to high school, while 21.1% pursued college studies. Another 7.9% earned an associate degree and 12.8% hold a bachelor’s. Meanwhile, 6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 213 4.2% -12.7%
High school diploma 2,436 47.9% 2.0%
College diploma 1,073 21.1% -28.0%
Associate degree 403 7.9% 9.8%
Bachelor's degree 652 12.8% 41.7%
Graduate degree 306 6% 54.5%
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. John

How much people earn in St. John

The average annual household income in St. John was $66,782 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +5.4% change from the previous year. At the same time, the median income stood at $53,755, reflecting a +6.6% shift over the same period.

Average household income in St. John
$66,782/year
5.4% year-over-year change
Median household income in St. John
$53,755/year
6.6% year-over-year change

St. John income by age

In St. John, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $54,083. Those with someone between 45 and 64 in charge, often well established professionally, earn $54,906 overall. Overall, 84.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $54,083 4.2%
45 - 64 $54,906 4.8%
Over 65 $40,980 22.1%
Above poverty level
5,459
Below poverty level
995
Value Percent YoY
change
Above poverty level 5,459 84.6% -1.8%
Below poverty level 995 15.4% 9.9%

Average renter income in St. John

To get a better sense of what renters earn on average in St. John, their median household income was $38,542 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 36.1%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$38,542
Rent-to-income ratio
36.1%
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. John

Workforce and job types in St. John

The job market in St. John is powered by 3,136 working residents, spread across a range of industries and roles. 76.1% of the working population are employed in professional or administrative positions, while 23.9% are in hands-on or service-based jobs. Also, 9.2% run their own businesses, 77.9% are employed by private companies, and 4.8% work in the public sector.

Workforce demographics

Working population
3,136
-0.6% year-over-year change
White collar
2,387
Blue collar
749
Value Percent YoY change
White collar 2,387 76.1% 4.7%
Blue collar 749 23.9% -14.3%
Employer type
Self employees
9.2%
Private companies
77.9%
Governmental workers
4.8%
Not for profit companies
8.1%
Value Percent YoY change
Self employees 289 9.2% 21.4%
Private companies 2,444 77.9% -1.8%
Governmental workers 149 4.8% 29.6%
Not for profit companies 254 8.1% -18.6%
Unemployment rate
6.3%
-8.7% year-over-year change

Available workforce

The unemployment rate in St. John stands at 6.3%, 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. John

How people get around in St. John

Commuting methods vary: 83.2% of residents travel by personal vehicle and 0.6% 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 2,583 83.2% 0.5%
Bus or trolleybus 17 0.6% -5.6%
Motorcycle 13 0.4% -18.8%
Walk 18 0.6% -56.1%
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. John by zipcode?

Zipcode Population Number of households Median income Average income
63114 33,969 15,031 $55,870 $70,621

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FAQs about St. John demographics 

What is the total population of St. John?

St. John has a total population of 6,527 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. John?

The gender ratio in St. John is as follows:
  • 48.5% males (3,165 residents)
  • 51.5% females (3,362 residents)

What is the median age in St. John?

The median age in St. John is 36.

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

The age distribution in St. John is as follows:
  • Under 15: 21.2% (1,387 residents)
  • Ages 15-24: 5% (325 residents)
  • Ages 25-44: 36.4% (2,378 residents)
  • Ages 45-64: 21.3% (1,390 residents)
  • Over 65: 16% (1,047 residents)

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

The racial and ethnic makeup of St. John is as follows:
  • White: 48.7% (3,176 residents)
  • Black or African American: 36.2% (2,366 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0.4% (24 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 3.6% (233 residents)
  • Other: 11.2% (728 residents)

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

U.S.-born citizens represent 92% of the population in St. John.

How many housing units are there in St. John?

There are 2,875 housing units in St. John, reflecting a -3.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

St. John has a total of 2,741 households, with an average of 2 people in each.

What is the median household income in St. John?

St. John has a median household income of $53,755, representing a +6.6% shift from the previous year, according to the U.S. Census Bureau.

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

The employment rate is 93.7% in St. John, with a workforce of 3,136 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 76.1% (2,387 residents)
  • Blue-collar workers: 23.9% (749 residents)

Places of employment:
  • Self-employed: 9.2% (289 residents)
  • Private companies: 77.9% (2,444 residents)
  • Governmental workers: 4.8% (149 residents)
  • Not-for-profit companies: 8.1% (254 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