St. Mary's, CO
Population 130 · Colorado
About St. Mary's, CO
St. Mary's is a small community in Colorado with a population of 130 residents. The median household income is $78,854 per year, which is above the national average. The median age in St. Mary's is 31.8 years.
Housing in St. Mary's has a median home value of $406,900 and median monthly rent of $0. Of the 231 total housing units, the majority are owner-occupied, with 54 owner-occupied and 15 renter-occupied units.
The unemployment rate in St. Mary's is 0.0% and the poverty rate is 0.0%. 36.0% of residents hold a bachelor's degree or higher. The average commute time is 0 minutes.
Cost of Living in St. Mary's, CO
Compared to national averages, St. Mary's has a median household income of $78,854 (5% above the national median of $75,149). Home values average $406,900, which is 66% above the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within Colorado, St. Mary's's income is 11% below the state average of $88,514, and home values are 11% below the state median of $457,127.
Why Live in St. Mary's, CO?
St. Mary's offers a strong local economy with a median household income of $78,854, well above the national average, and rent that’s lower than the national average at $0/month, and a strong job market with an unemployment rate of just 0.0%. Additionally, the city features a well-educated community where 36.0% of residents hold a bachelor’s degree or higher, and a low poverty rate of 0.0%, better than the national average, and short commute times averaging just 0 minutes.
Potential considerations include a competitive housing market where the typical home costs $406,900. However, St. Mary's’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
St. Mary's has a population of 130 with a median age of 31.8 years. Compare St. Mary's with other cities to see how it stacks up, or explore all cities in Colorado.
Similar Cities Near St. Mary's
Cities in Colorado with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Ramah | 130 | $0 | $0 | Compare |
| Bonanza Mountain Estates | 132 | $0 | $0 | Compare |
| Pitkin | 127 | $82,692 | $317,900 | Compare |
| Smeltertown | 127 | $135,580 | $0 | Compare |
| Rock Creek Park | 126 | $129,712 | $630,200 | Compare |
| Southern Ute | 126 | $75,000 | $285,000 | Compare |
| Woody Creek | 123 | $0 | $213,300 | Compare |
| La Junta Gardens | 122 | $81,136 | $229,000 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Colorado
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about St. Mary's
What is the population of St. Mary's, CO?
The population of St. Mary's, CO is 130 according to the latest Census data.
What is the median household income in St. Mary's?
The median household income in St. Mary's, CO is $78,854 per year.
What is the median home value in St. Mary's?
The median home value in St. Mary's, CO is $406,900.
What is the average rent in St. Mary's?
The median monthly rent in St. Mary's, CO is $0.
What is the unemployment rate in St. Mary's?
The unemployment rate in St. Mary's, CO is 0.0%.