St. John, Missouri Population 2024

6,391

St. John is a city located in St. Louis County Missouri. St. John has a 2024 population of 6,391. St. John is currently declining at a rate of -0.91% annually and its population has decreased by -3.56% since the most recent census, which recorded a population of 6,627 in 2020.

The average household income in St. John is $72,779 with a poverty rate of 13.65%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in St. John is 39.6 years, 40.1 years for males, and 39.2 years for females.

St. John Demographics

According to the most recent ACS, the racial composition of St. John was:

  • White: 46.06%
  • Black or African American: 38.77%
  • Other race: 9.48%
  • Two or more races: 2.9%
  • Asian: 2.8%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
1.4 sq mi
Density (mi²)
4,488.30/sq mi
Growth Since 2020
-3.56% (-236)
The current population of St. John, Missouri is 6,391 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 6,627.

St. John, Missouri Population 2024

Population by Race

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Race
Population
Percentage (of total)
White3,03246.06%
Black or African American2,55238.77%
Other race6249.48%
Two or more races1912.9%
Asian1842.8%
Native American00%
Native Hawaiian or Pacific Islander00%

White

Black or African American

Other race

Two or more races

Asian

Native American

Native Hawaiian or Pacific Islander

St. John Population by Race

St. John Population Pyramid 2024

St. John Median Age

39.6

Total

40.1

Male

39.2

Female

St. John Adults

There are 5,368 adults, (1,014 of whom are seniors) in St. John.

St. John Age Dependency

51.2

Age Dependency Ratio

23.3

Old Age Dependency Ratio

27.9

Child Dependency Ratio

St. John Sex Ratio

Female3,25749.48%
Male3,32650.52%

St. John Population by Age

St. John Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2,8202.3154.945.1
Married1,2162.5758.341.7
Non Family9791.3848.751.3
Female4133.4655.944.1
Male2122.961.338.7

2.71

Average Family Size

2.31

Average Household Size

54.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

St. John Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade2545.16%
9th to 12th Grade52510.66%
High School Graduate1,55031.47%
Some College1,29226.23%
Associates Degree3867.84%
Bachelors Degree61912.57%
Graduate Degree3006.09%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

St. John Educational Attainment by Sex (over 25)

St. John Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White2,4992,177568
Black1,7601,653294
Hispanic38210817
Other Race314570
Asian15311640
2+ Races1401018

The highest rate of high school graduation is among black people with a rate of 93.92%.

The highest rate of bachelors degrees is among asian people with a rate of 26.14%.

St. John Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Overall$36,532$37,660$36,194
Less Than 9th Grade$38,224$38,410$0
High School Graduate$30,528$28,400$31,417
Some College$35,376$33,750$35,697
Bachelors Degree$34,830$34,830$32,500
Graduate Degree$54,265$0$70,463

$36,532

Average Earnings

$37,660

Average Male

$36,194

Average Female

St. John Earnings by Educational Attainment

St. John Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

St. John Language

82.91% of St. John residents speak only English, while 17.09% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 12.07% of the population.

St. John Language

St. John Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Black2,53063425.06%
White2,8771424.94%
Hispanic723588.02%
Asian1844222.83%
Other624223.53%

13.65%

Overall Poverty Rate

8.37%

Male Poverty Rate

19.03%

Female Poverty Rate

Poverty in St. John

The race most likely to be in poverty in St. John is Black, with 25.06% below the poverty level.

The race least likely to be in poverty in St. John is Other, with 3.53% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.05%. Among those working part-time, it was 17.49%, and for those that did not work, the poverty rate was 28.16%.

St. John Poverty

rate

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Rate
Poverty
High School15.08%
Less Than 9th Grade12.39%
Bachelors or Greater12.18%
Some College10.96%

St. John Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed34.57%
Female Employed9.26%
Male Employed4.8%
Male Unemployed0%

St. John Poverty Rate by Employment Status and Sex

St. John Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$52,000$72,779
Families$59,268$70,825
Married Families$64,861$-999,999,999
Non Families$40,295$74,562

mean

median

Income by Household Type

St. John Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

45.4%

Overall Marriage Rate

44.2%

Male Marriage Rate

46.7%

Female Marriage Rate

St. John Married by Age and Sex

male

female

St. John Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

St. John Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

St. John Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

400

Number of Veterans

400

Male Veterans

0

Female Veterans

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War
Veterans
Vietnam262
First Gulf War38
Second Gulf War36
Korea27
World War II0

St. John Veterans by War

count

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Age Group
Veterans
65 to 74197
55 to 6480
75+66
35 to 5440
18 to 3417

St. John Veterans by Age

count

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Name
Veterans
% of Total
Black20110.06%
White1997.34%
Hispanic163.89%

St. John Veterans by Race

St. John Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

9.95%

Veteran Poverty Rate

20.15%

Veteran Disability Rate

St. John Veterans by Education

LaborForceParticipation

68.2%

Labor Force Participation

64.1%

Employment Rate

6%

Unemployment Rate

St. John Employment by Age

LaborForceParticipation

St. John Employment by Race

LaborForceParticipation

St. John Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

74.51%

Born in St. John

94.05%

Native Born

5.95%

Foreign Born

2.46%

Non Citizen

3.49%

Naturalized

Place of Birth

94.05% of St. John residents were born in the United States, with 74.51% having been born in Missouri. 2.46% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

St. John Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20296,096-59-0.96%
20286,155-59-0.95%
20276,214-59-0.94%
20266,273-59-0.93%
20256,332-59-0.92%
20246,391-59-0.91%
20236,450-59-0.91%
20226,509-73-1.11%
20216,582-45-0.68%
20206,6272794.4%
20196,348-15-0.24%
20186,363-22-0.34%
20176,385-36-0.56%
20166,421-54-0.83%
20156,475-14-0.22%
20146,489-14-0.22%
20136,503-15-0.23%
20126,518-8-0.12%
20116,52610.02%
20106,525-346-5.04%
20006,871-595-7.97%
19907,466-388-4.94%
19807,854-1,106-12.34%
19708,9601,61822.04%
19607,34200%
showing: 25 rows

St. John Population by Year