St. Marys, Ohio Population 2021

10,653
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St. Marys is a city located in Ohio. St. Marys has a 2020 population of 10,653. St. Marys is currently declining at a rate of -0.62% annually and its population has decreased by -3.08% since the most recent census, which recorded a population of 10,992 in 2010. St. Marys reached it's highest population of 10,992 in 2010.

The average household income in St. Marys is $69,099 with a poverty rate of 9.72%. The median rental costs in recent years comes to $762 per month, and the median house value is $130,600. The median age in St. Marys is 37.3 years, 37.9 years for males, and 36.8 years for females. For every 100 females there are 92.4 males.

St. Marys Demographics

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

  • White: 96.11%
  • Two or more races: 2.28%
  • Native American: 0.68%
  • Other race: 0.50%
  • Asian: 0.31%
  • Black or African American: 0.11%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of St. Marys, Ohio is 10,653, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 10,851.The last official US Census in 2010 recorded the population at 10,992.

St. Marys, Ohio Population 2021

Population by Race

Race Population Percentage
White10,40396.11%
Two or More Races2472.28%
American Indian and Alaska Native740.68%
Some Other Race540.50%
Asian340.31%
Black or African American120.11%
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St. Marys Population by Race

St. Marys Population Pyramid 2021

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St. Marys Median Age

37.3


Total

37.9


Male

36.8


Female

St. Marys Adults

There are 7,989 adults, (1,822 of whom are seniors) in St. Marys.

St. Marys Age Dependency

75.5

Age Dependency Ratio

29.5

Old Age Dependency Ratio

46

Child Dependency Ratio

St. Marys Sex Ratio

Female

5,626

51.98%

Male

5,198

48.02%

St. Marys Population by Age

St. Marys Renter vs Owner Occupied by Household Type

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St. Marys Household Types

Type Owner Renter
Married84.9%15.1%
Male80.4%19.6%
All69.7%30.3%
Non Family55.2%44.8%
Female43.7%56.3%

69.7%

Rate of Home Ownership

St. Marys Households and Families

Type Count Average Size Owned
All4,4232.4169.7
Married2,1903.284.9
Non Family1,5001.155.2
Female5242.7643.7
Male2092.7480.4

3

Average Family Size

2.41

Average Household Size

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St. Marys Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1662.38%
9th to 12th Grade4786.86%
High School Graduate3,08244.24%
Some College1,49421.44%
Associates Degree5998.60%
Bachelors Degree71410.25%
Graduate Degree4346.23%
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St. Marys Educational Attainment by Sex (over 25)

St. Marys Educational Attainment by Race

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Name Total High School Bachelors
White6,7836,2051,134
Native American56
Other Race4545
Hispanic404014
Multiple Races3535
Asian3424

The highest rate of high school graduation is among other race people with a rate of 100.00%.

The highest rate of bachelors degrees is among hispanic people with a rate of 35.00%.

St. Marys Educational Attainment by Race

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Name Average Male Female
Overall$40,877$51,298$30,392
Less Than High School$32,908$33,429$31,688
High School Grad$39,848$46,552$25,068
Some College$40,102$54,408$27,583
Bachelors Degree$49,808$61,184$39,713
Graduate Degree$62,059$76,583$56,953

$40,877

Average Earnings

$51,298

Average Male

$30,392

Average Female

St. Marys Earnings by Educational Attainment

St. Marys Language by Age

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St. Marys Language

98.25% of St. Marys residents speak only English, while 1.75% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 0.99% of the population.

St. Marys Language

St. Marys Poverty by Race

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Name Total In Poverty Poverty Rate
White10,2421,0099.85%
Multiple247249.72%
Black12541.67%

9.72%

Overall Poverty Rate

5.48%

Male Poverty Rate

13.65%

Female Poverty Rate

Poverty in St. Marys

The race most likely to be in poverty in St. Marys is Black, with 41.67% below the poverty level.

The race least likely to be in poverty in St. Marys is Multiple, with 9.72% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.64%. Among those working part-time, it was 12.39%, and for those that did not work, the poverty rate was 12.82%.

St. Marys Poverty

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Name Poverty
Less Than High School12.86%
Some College9.66%
High School7.59%
Bachelors or Greater3.07%

St. Marys Poverty Rate by Education

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Name Poverty
Male Unemployed31.13%
Female Unemployed12.28%
Female Employed8.34%
Male Employed1.26%

St. Marys Poverty Rate by Employment Status and Sex

St. Marys Income by Household Type

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Name Median Mean
Households$60,073$69,099
Families$74,818$80,657
Married Families$88,621-
Non Families$31,859$40,670
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Income by Household Type

St. Marys Marital Status

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Marriage Rates

54.0%

Overall Marriage Rate

55.6%

Male Marriage Rate

52.5%

Female Marriage Rate

St. Marys Married by Age and Sex

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St. Marys Marriage

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

St. Marys Marital Status by Race

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St. Marys Marital Status

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684

Number of Veterans

670

Male Veterans

14

Female Veterans

War Veterans
Vietnam260
Second Gulf War159
First Gulf War114
Korea57
World War II45

St. Marys Veterans by War

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Age Group Veterans
65 to 74206
75+158
35 to 54139
18 to 3491
55 to 6490

St. Marys Veterans by Age

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St. Marys Veterans by Race

St. Marys Veterans by Education

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2.95%

Veteran Poverty Rate

37.26%

Veteran Disability Rate

St. Marys Veterans by Education

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66.5%

Labor Force Participation

64.5%

Employment Rate

3%

Unemployment Rate

St. Marys Employment by Age

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St. Marys Employment by Race

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St. Marys Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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85.77%

Born in Ohio

98.97%

Native Born

1.03%

Foreign Born

0.28%

Non Citizen

0.75%

Naturalized

Place of Birth

98.97% of St. Marys residents were born in the United States, with 85.77% having been born in Ohio. 0.28% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

St. Marys Place of Birth

Year Population Growth Annual Growth Rate
202110,653-66-0.62%
202010,719-66-0.61%
201910,785-66-0.61%
201810,851620.57%
201710,789-47-0.43%
201610,836-29-0.27%
201510,865-15-0.14%
201410,880-25-0.23%
201310,905-12-0.11%
201210,917-13-0.12%
201110,930-62-0.56%
201010,9920.00%

St. Marys Population by Year