St. Marks Flag

St. Marks

County:
Sedgwick County
County Seat:
No
Area (mi²):
0.977
State:
Kansas

St. Marks is a CDP located in Sedgwick County, Kansas. St. Marks has a 2025 population of 134. St. Marks is currently growing at a rate of 7.2% annually and its population has increased by 294.12% since the most recent census, which recorded a population of 34 in 2020.

The median age in St. Marks is 10.9 years: 10.2 years for males, and 0 years for females.

134
Total Population
137
Density (mi²)
9 7.2%
Growth

St. Marks Population

St. Marks Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of St. Marks includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White87100%

St. Marks Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

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)