St. Marys Flag

St. Marys

County Seat:
No
Area (mi²):
1.178
State:
Kansas

St. Marys is a city located in Pottawatomie County, Kansas. St. Marys has a 2026 population of 2,795. St. Marys is currently growing at a rate of 0.22% annually and its population has increased by 1.23% since the most recent census, which recorded a population of 2,761 in 2020.

The median household income in St. Marys is $76,771 with a poverty rate of 8.58%. The median age in St. Marys is 26.6 years: 25.8 years for males, and 28.3 years for females. For every 100 females there are 111.2 males.

2.8K
Total Population
2,372
Density (mi²)
6 0.22%
Growth

St. Marys Population

St. Marys Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,79560.22%
20252,78950.18%
20242,784140.51%
20232,770-9-0.32%
20222,77980.29%
20212,771100.36%
20202,761-5-0.18%
20192,669-8-0.3%
20182,677-13-0.48%
20172,690-10-0.37%
20162,700170.63%
20152,683-6-0.22%
20142,689-13-0.48%
20132,702-1-0.04%
20122,703130.48%
20112,690632.4%
20102,68040.15%

Median Age

Overall: 26.6 years
Female: 28.3 years
Male: 25.8 years

St. Marys Adults

There are 2,091 adults, (342 of whom are seniors) in St. Marys.

Sex Ratio

Female: 1,320 (47.3%)
Male: 1,468 (52.7%)

Demographics

The racial composition of St. Marys includes 83.25% White, 5.02% other race, and smaller percentages for Asian, Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,32183.25%
Two or more races2308.25%
Other race1405.02%
Asian672.4%
Black or African American170.61%
Native American130.47%
Race
Population ↓
Percentage (of total)
White1124.02%
Two or more races1063.8%
Other race371.33%
Native American90.32%
Black or African American30.11%
Race
Population ↓
Percentage (of total)
White2,20979.23%
Two or more races1244.45%
Other race1033.69%
Asian672.4%
Black or African American140.5%
Native American40.14%

St. Marys Marital Status

Economics and Income Statistics

St. Marys ' average per capita income is $47,464. Household income levels show a median of $76,771. The poverty rate stands at 8.58%.

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$96,094-
Families$90,347$94,946
Households$76,771$85,366
Non Families$47,083$47,459

$47,464

Average Income

$76,771

Median Household Income

8.58%

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)