St. Mary, Missouri Population 2024

307

St. Mary Demographics

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

  • White: 75.42%
  • Two or more races: 12.92%
  • Black or African American: 11.67%
  • Native American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
Land Area (mi²)
0.6 sq mi
Density (mi²)
512.30/sq mi
Growth Since 2020
0.33% (1)
The current population of St. Mary, Missouri is 307 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 306.

Population by Race

Race
Population
Percentage (of total)
White18175.42%
Two or more races3112.92%
Black or African American2811.67%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

St. Mary Population by Race

St. Mary Population Pyramid 2024

St. Mary Median Age

52.6

Total

42

Male

56.2

Female

St. Mary Adults

There are 200 adults, (65 of whom are seniors) in St. Mary.

St. Mary Age Dependency

77.8

Age Dependency Ratio

48.1

Old Age Dependency Ratio

29.6

Child Dependency Ratio

St. Mary Sex Ratio

Female13054.17%
Male11045.83%

St. Mary Population by Age

St. Mary Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All942.5574.525.5
Non Family411.1575.624.4
Married312.8193.56.5
Male154.26040
Female76.1414.385.7

3.45

Average Family Size

2.55

Average Household Size

74.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

St. Mary Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2614.29%
Associates Degree63.3%
Bachelors Degree73.85%
Graduate Degree168.79%
High School Graduate6636.26%
Less Than 9th Grade2513.74%
Some College3619.78%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

St. Mary Educational Attainment by Sex (over 25)

St. Mary Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White14411113
Black281010
2+ Races10100
Hispanic110

The highest rate of high school graduation is among 2+ races people with a rate of 100%.

The highest rate of bachelors degrees is among black people with a rate of 35.71%.

St. Mary Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$0$0$0
Graduate Degree$0$0$0
High School Graduate$28,750$0$0
Less Than 9th Grade$0$38,125$0
Overall$29,688$37,813$26,071
Some College$53,750$56,250$27,917

$29,688

Average Earnings

$37,813

Average Male

$26,071

Average Female

St. Mary Earnings by Educational Attainment

St. Mary Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

St. Mary Language

98.19% of St. Mary residents speak only English, while 1.81% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.81% of the population.

St. Mary Language

St. Mary Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Multiple312787.1%
White181179.39%

18.33%

Overall Poverty Rate

20%

Male Poverty Rate

16.92%

Female Poverty Rate

Poverty in St. Mary

The race most likely to be in poverty in St. Mary is Multiple, with 87.1% below the poverty level.

The race least likely to be in poverty in St. Mary is White, with 9.39% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.33%. Among those working part-time, it was 20.41%, and for those that did not work, the poverty rate was 11.96%.

St. Mary Poverty

rate

Rate
Poverty
High School25.76%
Less Than 9th Grade0%
Some College0%
Bachelors or Greater0%

St. Mary Poverty Rate by Education

rate

Rate
Poverty
Male Employed18.6%
Female Employed7.69%
Male Unemployed0%
Female Unemployed0%

St. Mary Poverty Rate by Employment Status and Sex

St. Mary Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$78,250$73,891
Households$60,000$58,788
Married Families$78,750$-999,999,999
Non Families$28,750$37,071

mean

median

Income by Household Type

St. Mary Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

33.8%

Overall Marriage Rate

38.2%

Male Marriage Rate

30.4%

Female Marriage Rate

St. Mary Married by Age and Sex

male

female

St. Mary Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

St. Mary Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

St. Mary Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

25

Number of Veterans

9

Male Veterans

16

Female Veterans

War
Veterans
Vietnam18
First Gulf War5
Korea1
Second Gulf War0
World War II0

St. Mary Veterans by War

count

Age Group
Veterans
65 to 7418
55 to 645
75+2
18 to 340
35 to 540

St. Mary Veterans by Age

count

Name
Veterans
% of Total
Black1553.57%
White95.56%
2+ Races110%
Hispanic1100%

St. Mary Veterans by Race

St. Mary Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

76%

Veteran Disability Rate

St. Mary Veterans by Education

LaborForceParticipation

51.7%

Labor Force Participation

47.3%

Employment Rate

8.7%

Unemployment Rate

St. Mary Employment by Age

LaborForceParticipation

St. Mary Employment by Race

LaborForceParticipation

St. Mary 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

85%

Born in St. Mary

100%

Native Born

0%

Foreign Born

0%

Non Citizen

0%

Naturalized

Place of Birth

100% of St. Mary residents were born in the United States, with 85% having been born in Missouri. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

St. Mary Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202930800%
202830800%
202730810.33%
202630700%
202530700%
202430700%
202330700%
2022307-1-0.32%
202130820.65%
2020306-43-12.32%
201934900%
201834910.29%
2017348-1-0.29%
2016349-1-0.29%
2015350-3-0.85%
2014353-1-0.28%
201335400%
2012354-9-2.48%
201136310.28%
201036200%

St. Mary Population by Year