St. Marks CDP, Kansas Demographics & Population 2026

Population Overview

St. Marks CDP is a small community located in Kansas. The total population is 87. It ranks as the 565th most populous out of 726 cities and towns in Kansas.

Age Demographics

The median age in St. Marks CDP is 10.9 years. This is 71% lower than the state median of 37.2 years. With 51.7% of the population under 18, St. Marks CDP has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The poverty rate stands at 0.0%. This is 100% lower than the state poverty rate of 11.5%. This exceptionally low poverty rate indicates strong economic prosperity across the community. 33.3% of occupied housing units are owner-occupied. This homeownership rate is 50% lower than the state average of 66.9%.

Race & Ethnicity

The largest racial or ethnic group in St. Marks CDP is White (non-Hispanic), making up 83.9% of the population. Hispanic or Latino residents account for 16.1%.

Education

50.0% of residents aged 25 and older hold a bachelor's degree or higher. This places St. Marks CDP in the top 10% of all cities in the state for educational attainment. This is 42% higher than the state rate of 35.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 100.0%.

Data Sources & Methodology

All demographic data for St. Marks CDP, Kansas is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Kansas state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 726 Census-designated places in Kansas. For official data, visit data.census.gov.