St. Marys, Ohio Population 2024

8,367

St. Marys Demographics

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

  • White: 96%
  • Two or more races: 2.99%
  • Asian: 0.72%
  • Black or African American: 0.26%
  • Other race: 0.02%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
State
Ohio
Land Area (mi²)
4.7 sq mi
Density (mi²)
1,792.50/sq mi
Growth Since 2020
-0.45% (-38)
The current population of St. Marys, Ohio is 8,367 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 8,405.

Population by Race

Race
Population
Percentage (of total)
White7,99096%
Two or more races2492.99%
Asian600.72%
Black or African American220.26%
Other race20.02%
Native American00%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

St. Marys Population by Race

St. Marys Population Pyramid 2024

St. Marys Median Age

38.2

Total

38.7

Male

36.8

Female

St. Marys Adults

There are 6,448 adults, (1,314 of whom are seniors) in St. Marys.

St. Marys Age Dependency

62.1

Age Dependency Ratio

25.6

Old Age Dependency Ratio

36.5

Child Dependency Ratio

St. Marys Sex Ratio

Female4,40552.93%
Male3,91847.07%

St. Marys Population by Age

St. Marys Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3,6202.2774.925.1
Married1,6632.968416
Non Family1,4191.1569.630.4
Female3093.1362.837.2
Male2293.0658.141.9

2.91

Average Family Size

2.27

Average Household Size

74.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

St. Marys Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade3205.78%
Associates Degree67012.11%
Bachelors Degree5069.14%
Graduate Degree2684.84%
High School Graduate2,57946.6%
Less Than 9th Grade1352.44%
Some College1,05619.08%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

St. Marys Educational Attainment by Sex (over 25)

St. Marys Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White5,3574,902727
2+ Races10510522
Asian606014
Hispanic333311
Other Race110

The highest rate of high school graduation is among asian people with a rate of 100%.

The highest rate of bachelors degrees is among hispanic people with a rate of 33.33%.

St. Marys Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$46,035$72,014$44,207
Graduate Degree$75,833$77,404$71,927
High School Graduate$45,154$64,183$34,549
Less Than 9th Grade$32,321$30,909$0
Overall$45,576$63,512$37,682
Some College$42,269$58,250$34,688

$45,576

Average Earnings

$63,512

Average Male

$37,682

Average Female

St. Marys Earnings by Educational Attainment

St. Marys Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

St. Marys Language

97.74% of St. Marys residents speak only English, while 2.26% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.26% of the population.

St. Marys Language

St. Marys Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White7,8336538.34%
Multiple249197.63%

8.17%

Overall Poverty Rate

7.07%

Male Poverty Rate

9.15%

Female Poverty Rate

Poverty in St. Marys

The race most likely to be in poverty in St. Marys is White, with 8.34% below the poverty level.

The race least likely to be in poverty in St. Marys is Multiple, with 7.63% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.51%. Among those working part-time, it was 8.42%, and for those that did not work, the poverty rate was 15.68%.

St. Marys Poverty

rate

Rate
Poverty
Less Than 9th Grade17.74%
High School6.62%
Bachelors or Greater5.12%
Some College3.32%

St. Marys Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed100%
Male Unemployed43.66%
Male Employed4.01%
Female Employed3.79%

St. Marys Poverty Rate by Employment Status and Sex

St. Marys Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$86,882$90,337
Households$70,800$73,928
Married Families$94,364$-999,999,999
Non Families$40,168$43,671

mean

median

Income by Household Type

St. Marys Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

50.7%

Overall Marriage Rate

54.0%

Male Marriage Rate

47.8%

Female Marriage Rate

St. Marys Married by Age and Sex

male

female

St. Marys 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 55-64.

St. Marys Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

St. Marys Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

504

Number of Veterans

504

Male Veterans

0

Female Veterans

War
Veterans
Vietnam237
First Gulf War124
Second Gulf War32
Korea27
World War II13

St. Marys Veterans by War

count

Age Group
Veterans
65 to 74144
35 to 54137
75+126
55 to 6465
18 to 3432

St. Marys Veterans by Age

count

Name
Veterans
% of Total
White5048.05%

St. Marys Veterans by Race

St. Marys Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

2.64%

Veteran Poverty Rate

25.2%

Veteran Disability Rate

St. Marys Veterans by Education

LaborForceParticipation

74.2%

Labor Force Participation

72.8%

Employment Rate

1.9%

Unemployment Rate

St. Marys Employment by Age

LaborForceParticipation

St. Marys Employment by Race

LaborForceParticipation

St. Marys 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

84.54%

Born in St. Marys

99.01%

Native Born

0.99%

Foreign Born

0.55%

Non Citizen

0.43%

Naturalized

Place of Birth

99.01% of St. Marys residents were born in the United States, with 84.54% having been born in Ohio. 0.55% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

St. Marys Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20298,320-10-0.12%
20288,330-9-0.11%
20278,339-9-0.11%
20268,348-10-0.12%
20258,358-9-0.11%
20248,367-10-0.12%
20238,377-26-0.31%
20228,403-26-0.31%
20218,429240.29%
20208,4052683.29%
20198,137-61-0.74%
20188,198610.75%
20178,137-45-0.55%
20168,182-38-0.46%
20158,220-2-0.02%
20148,222-17-0.21%
20138,239-8-0.1%
20128,247-14-0.17%
20118,261-48-0.58%
20108,30900%
20008,342-99-1.17%
19908,441270.32%
19808,4147159.29%
19707,699-38-0.49%
19607,7371,52924.63%
19506,20867612.22%
19405,532991.82%
19305,433-246-4.33%
19205,679-53-0.92%
19105,7323736.96%
19005,3592,35978.63%
18903,000-5,320-63.94%

St. Marys Population by Year