St. Marys, Kansas Population 2021

3,783
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St. Marys is a city located in Kansas. St. Marys has a 2020 population of 3,783. St. Marys is currently growing at a rate of 0.11% annually and its population has increased by 3.93% since the most recent census, which recorded a population of 3,640 in 2010. St. Marys reached it's highest population of 3,783 in 2021.

The average household income in St. Marys is $75,147 with a poverty rate of 4.48%. The median rental costs in recent years comes to $723 per month, and the median house value is $162,100. The median age in St. Marys is 25.1 years, 26.5 years for males, and 24.2 years for females.

St. Marys Demographics

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

  • White: 94.50%
  • Two or more races: 2.82%
  • Black or African American: 0.93%
  • Asian: 0.69%
  • Other race: 0.66%
  • Native American: 0.40%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of St. Marys, Kansas is 3,783 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 3,771.The last official US Census in 2010 recorded the population at 3,640.

St. Marys, Kansas Population 2021

Population by Race

Race Population Percentage
White3,55794.50%
Two or More Races1062.82%
Black or African American350.93%
Asian260.69%
Some Other Race250.66%
American Indian and Alaska Native150.40%
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St. Marys Population by Race

St. Marys Population Pyramid $2021

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St. Marys Median Age

25.1


Total

26.5


Male

24.2


Female

St. Marys Adults

There are 2,355 adults, (525 of whom are seniors) in St. Marys.

St. Marys Age Dependency

105.7

Age Dependency Ratio

28.7

Old Age Dependency Ratio

77

Child Dependency Ratio

St. Marys Sex Ratio

Female

1,965

52.21%

Male

1,799

47.79%

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
Married88.4%11.6%
Male86.5%13.5%
Female85.7%14.3%
All81.2%18.8%
Non Family53.7%46.3%

81.2%

Rate of Home Ownership

St. Marys Households and Families

Type Count Average Size Owned
All9983.6681.2
Married7304.4688.4
Non Family2031.0953.7
Male372.0886.5
Female283.5785.7

4.24

Average Family Size

3.66

Average Household Size

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St. Marys Households by Type

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Education Attained Count Percentage
Less Than 9th Grade191.01%
9th to 12th Grade663.50%
High School Graduate79642.16%
Some College51227.12%
Associates Degree1276.73%
Bachelors Degree24713.08%
Graduate Degree1216.41%
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St. Marys Educational Attainment by Sex (over 25)

St. Marys Educational Attainment by Race

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Race Total High School Bachelors
White1,6861,610301
Hispanic12812837
2+ Races282113
Other Race171713
Asian16164
Native American1515
Black2

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among other race people with a rate of 76.47%.

St. Marys Educational Attainment by Race

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Name Average Male Female
Overall$44,722$55,054$26,645
Less Than 9th Grade$38,250$$
High School Graduate$36,313$54,500$20,938
Some College$50,903$55,625$35,729
Bachelors Degree$53,000$60,750$
Graduate Degree$44,922$44,375$53,750

$44,722

Average Earnings

$55,054

Average Male

$26,645

Average Female

St. Marys Earnings by Educational Attainment

St. Marys Language by Age

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St. Marys Language

95.84% of St. Marys residents speak only English, while 4.16% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.77% of the population.

St. Marys Language

St. Marys Poverty by Race

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Name Total In Poverty Poverty Rate
White3,2251594.93%
Multiple10676.60%

4.48%

Overall Poverty Rate

3.20%

Male Poverty Rate

5.63%

Female Poverty Rate

Poverty in St. Marys

The race most likely to be in poverty in St. Marys is Multiple, with 6.60% below the poverty level.

The race least likely to be in poverty in St. Marys is White, with 4.93% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.78%. Among those working part-time, it was 5.50%, and for those that did not work, the poverty rate was 7.80%.

St. Marys Poverty

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Name Poverty
Less Than 9th Grade20.24%
Bachelors or Greater8.72%
High School5.57%
Some College1.41%

St. Marys Poverty Rate by Education

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Rate Poverty
Female Unemployed0.00%
Female Employed4.42%
Male Employed2.62%
Male Unemployed0.00%

St. Marys Poverty Rate by Employment Status and Sex

St. Marys Income by Household Type

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Name Median Mean
Households$63,750$75,147
Families$69,327$83,258
Married Families$70,063-
Non Families$27,426$37,297
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Income by Household Type

St. Marys Marital Status

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Marriage Rates

57.0%

Overall Marriage Rate

62.0%

Male Marriage Rate

52.4%

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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190

Number of Veterans

184

Male Veterans

6

Female Veterans

War Veterans
Second Gulf War64
Vietnam60
First Gulf War42
Korea8
World War II6

St. Marys Veterans by War

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Age Group Veterans
35 to 5448
75+41
65 to 7438
55 to 6434
18 to 3429

St. Marys Veterans by Age

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Name Veterans % of Total
White1607.08%
Hispanic3122.14%
Other Race1768.00%
2+ Races1346.43%

St. Marys Veterans by Race

St. Marys Veterans by Education

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4.26%

Veteran Poverty Rate

28.72%

Veteran Disability Rate

St. Marys Veterans by Education

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55.9%

Labor Force Participation

54.8%

Employment Rate

2.1%

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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58.45%

Born in St. Marys

97.74%

Native Born

2.26%

Foreign Born

1.06%

Non Citizen

1.20%

Naturalized

Place of Birth

97.74% of St. Marys residents were born in the United States, with 58.45% having been born in Kansas. 1.06% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

St. Marys Place of Birth

Year Population Growth Annual Growth Rate
20213,78340.11%
20203,77940.11%
20193,77540.11%
20183,77120.05%
20173,769160.43%
20163,753381.02%
20153,715120.32%
20143,703-3-0.08%
20133,706110.30%
20123,695300.82%
20113,665250.69%
20103,6400.00%

St. Marys Population by Year