St. Marys Flag

St. Marys

County Seat:
No
Area (mi²):
37.852
State:
Kansas

St. Marys is located in Pottawatomie County, Kansas. St. Marys has a 2025 population of 4,028 . St. Marys is currently growing at a rate of 0.88% annually and its population has increased by 3.71% since the most recent census, which recorded a population of 3,884 in 2020.

The average household income in St. Marys is $94,331 with a poverty rate of 9.34%. The median age in St. Marys is 25.5 years: 25.8 years for males, and 25.1 years for females. For every 100 females there are 92.7 males.

4K
Total Population
106
Density (mi²)
35 0.88%
Growth

St. Marys Population

St. Marys Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of St. Marys includes 88.37% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.

Population by Race

White (88.37%)

Two or more races (6.99%)

Other race (2.61%)

Black or African American (0.82%)

Asian (0.69%)

Native American (0.51%)

Race
Population
Percentage (of total)
White3,45088.37%
Two or more races2736.99%
Other race1022.61%
Black or African American320.82%
Asian270.69%
Native American200.51%

St. Marys Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Marys' average per capita income is $46,288. Household income levels show a median of $77,000. The poverty rate stands at 9.34%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$96,902-
Families$88,704$105,291
Households$77,000$94,331
Non Families$36,731$44,347

$46,288

Average Income

$77,000

Median Household Income

9.34%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)