St. Mary, KY
Population 210 · Kentucky
About St. Mary, KY
St. Mary is a small community in Kentucky with a population of 210 residents. The median household income is $60,833 per year, which is near the national average. The median age in St. Mary is 28.3 years.
Housing in St. Mary has a median home value of $177,600 and median monthly rent of $0. Of the 76 total housing units, the majority are owner-occupied, with 60 owner-occupied and 12 renter-occupied units.
The unemployment rate in St. Mary is 4.0% and the poverty rate is 4.3%. 21.9% of residents hold a bachelor's degree or higher. The average commute time is 19 minutes.
Cost of Living in St. Mary, KY
Compared to national averages, St. Mary has a median household income of $60,833 (19% below the national median of $75,149). Home values average $177,600, which is 27% below the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within Kentucky, St. Mary's income is 8% below the state average of $66,273, and home values are 3% below the state median of $182,504.
Why Live in St. Mary, KY?
St. Mary offers affordable housing with a median home value of $177,600, below the US average of $244,900, and rent that’s lower than the national average at $0/month, and a low poverty rate of 4.3%, better than the national average. Additionally, the city features short commute times averaging just 19 minutes.
Potential considerations include median household income ($60,833) that falls below the national average. However, St. Mary’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
St. Mary has a population of 210 with a median age of 28.3 years. Compare St. Mary with other cities to see how it stacks up, or explore all cities in Kentucky.
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Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about St. Mary
What is the population of St. Mary, KY?
The population of St. Mary, KY is 210 according to the latest Census data.
What is the median household income in St. Mary?
The median household income in St. Mary, KY is $60,833 per year.
What is the median home value in St. Mary?
The median home value in St. Mary, KY is $177,600.
What is the average rent in St. Mary?
The median monthly rent in St. Mary, KY is $0.
What is the unemployment rate in St. Mary?
The unemployment rate in St. Mary, KY is 4.0%.