St. Mary's, Colorado Population 2020

516

St. Mary's is a city located in Colorado. St. Mary's has a 2020 population of 516. St. Mary's is currently declining at a rate of 0.00% annually and its population has increased by 82.33% since the most recent census, which recorded a population of 283 in 2010. St. Mary's reached it's highest population of 516 in 2018.

The average household income in St. Mary's is $83,370 with a poverty rate of 0.00%. The median rental costs in recent years comes to - per month, and the median house value is $228,100. The median age in St. Mary's is 38.7 years, 38.4 years for males, and 43.7 years for females. For every 100 females there are 133.5 males.

St. Mary's Demographics

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

  • White: 100.00%
  • Black or African American: 0.00%
  • Native American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
  • Two or more races: 0.00%
The current population of St. Mary's, Colorado is 516, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 516.The last official US Census in 2010 recorded the population at 283.

St. Mary's, Colorado Population 2020

St. Mary's Population Pyramid 2020

St. Mary's Median Age

38.7


Total

38.4


Male

43.7


Female

St. Mary's Adults

There are 396 adults, (11 of whom are seniors) in St. Mary's.

St. Mary's Age Dependency

34

Age Dependency Ratio

2.9

Old Age Dependency Ratio

31.2

Child Dependency Ratio

St. Mary's Sex Ratio

Female

221

42.83%

Male

295

57.17%

St. Mary's Households and Families

St. Mary's Renter vs Owner Occupied by Household Type

St. Mary's Household Types

Type Owner Renter
Female100%0%
Married100%0%
All92.1%7.9%
Non Family78.3%21.7%
Male0%0%

92.1%

Rate of Home Ownership

Type Count Average Size Owned
All2292.2592.1
Married923.17100
Non Family831.5878.3
Female541.72100
Male00

2.64

Average Family Size

2.25

Average Household Size

15.7%

Unmarried (Opposite Sex)

7.9%

Unmarried (Same Sex)

St. Mary's Education

Education Attained Count Percentage
Less Than 9th Grade0.00%
9th to 12th Grade0.00%
High School Graduate13032.83%
Some College9323.48%
Associates Degree5413.64%
Bachelors Degree5112.88%
Graduate Degree6817.17%

St. Mary's Educational Attainment by Race

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

The highest rate of bachelors degrees is among hispanic people with a rate of 47.06%.

Name Average Male Female
Overall$36,150$56,711$21,597
Less Than High School$$$
High School Grad$35,482$$
Some College$$$
Bachelors Degree$$$
Graduate Degree$76,458$76,458$

$36,150

Average Earnings

$56,711

Average Male

$21,597

Average Female

St. Mary's Language

St. Mary's Language by Age

St. Mary's Language

93.80% of St. Mary's residents speak only English, while 6.20% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.20% of the population.

St. Mary's Poverty

Name Poverty
Bachelors or Greater0.00%
Some College0.00%
High School0.00%
Less Than High SchoolNaN%
Name Poverty
Female Unemployed0.00%
Female Employed0.00%
Male Unemployed0.00%
Male Employed0.00%

St. Mary's Income

St. Mary's Income by Household Type

Name Median Mean
Households$75,938$83,370
Families$97,500$92,269
Married Families$103,750-
Non Families$72,118$67,716

St. Mary's Marital Status

St. Mary's Marital Status

Marriage Rates

43.4%

Overall Marriage Rate

37.0%

Male Marriage Rate

51.4%

Female Marriage Rate

St. Mary's Married by Age and Sex

St. Mary's 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. Mary's Marital Status by Race

St. Mary's Veterans

54

Number of Veterans

54

Male Veterans

Female Veterans

War Veterans
First Gulf War54
Second Gulf War36
World War II
Korea
Vietnam

$St. Mary's Veterans by Education

0.00%

Veteran Poverty Rate

0.00%

Veteran Disability Rate

St. Mary's Employment Status

88.1%

Labor Force Participation

78.3%

Employment Rate

11.2%

Unemployment Rate

St. Mary's Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

67.25%

Born in Colorado

100.00%

Native Born

0.00%

Foreign Born

0.00%

Non Citizen

Place of Birth

100.00% of St. Mary's residents were born in the United States, with 67.25% having been born in Colorado. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Year Population Growth Annual Growth Rate
20205160.00%
20195160.00%
201851613936.87%
20173774814.59%
20163293813.06%
2015291178157.52%
2014113-18-13.74%
201313175.65%
2012124-26-17.33%
2011150-133-47.00%
20102830.00%