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 age in St. John is 39.6 years: 40.1 years for males, and 39.2 years for females.
According to the most recent ACS, the racial composition of St. John was:
White
Black or African American
Other race
Two or more races
Asian
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 2,820 | 2.31 | 54.9 | 45.1 |
| Married | 1,216 | 2.57 | 58.3 | 41.7 |
| Non Family | 979 | 1.38 | 48.7 | 51.3 |
| Female | 413 | 3.46 | 55.9 | 44.1 |
| Male | 212 | 2.9 | 61.3 | 38.7 |
2.71
Average Family Size
2.31
Average Household Size
54.9%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
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%.
All
Male
Female
$36,532
Average Earnings
$37,660
Average Male
$36,194
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
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.
rate
13.65%
Overall Poverty Rate
8.37%
Male Poverty Rate
19.03%
Female Poverty Rate
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%.
Married
Widowed
Divorced
Separated
NeverMarried
45.4%
Overall Marriage Rate
44.2%
Male Marriage Rate
46.7%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
9.95%
Veteran Poverty Rate
20.15%
Veteran Disability Rate
LaborForceParticipation
68.2%
Labor Force Participation
64.1%
Employment Rate
6%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
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
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.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 6,096 | -59 | -0.96% |
| 2028 | 6,155 | -59 | -0.95% |
| 2027 | 6,214 | -59 | -0.94% |
| 2026 | 6,273 | -59 | -0.93% |
| 2025 | 6,332 | -59 | -0.92% |
| 2024 | 6,391 | -59 | -0.91% |
| 2023 | 6,450 | -59 | -0.91% |
| 2022 | 6,509 | -73 | -1.11% |
| 2021 | 6,582 | -45 | -0.68% |
| 2020 | 6,627 | 279 | 4.4% |
| 2019 | 6,348 | -15 | -0.24% |
| 2018 | 6,363 | -22 | -0.34% |
| 2017 | 6,385 | -36 | -0.56% |
| 2016 | 6,421 | -54 | -0.83% |
| 2015 | 6,475 | -14 | -0.22% |
| 2014 | 6,489 | -14 | -0.22% |
| 2013 | 6,503 | -15 | -0.23% |
| 2012 | 6,518 | -8 | -0.12% |
| 2011 | 6,526 | 1 | 0.02% |
| 2010 | 6,525 | 0 | 0% |
| 2000 | 6,871 | -595 | -7.97% |
| 1990 | 7,466 | -388 | -4.94% |
| 1980 | 7,854 | -1,106 | -12.34% |
| 1970 | 8,960 | 1,618 | 22.04% |
| 1960 | 7,342 | 1,246 | 20.44% |