St. Marys is a small town of 2,661 in Kansas, with a median household income of $69,183
and a 3.1% unemployment rate.
Its cost of living index is 90 (US average = 100), which is
10% below the national average.
Strengths:
St. Marys stands out for an affordable cost of living, below-average home prices, solid school ratings (A-), short average commutes.
Trade-offs:
No major red flags stand out in the available data. Whether St. Marys is right for you depends on your priorities — the full breakdown is below.
All St. Marys city data on this page comes from official government sources —
the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.
Cost of Living
Index: 90.3
St. Marys's overall cost of living index is 90.3,
where 100 represents the US national average.
Living in St. Marys costs roughly 10% less than the average American city.
Metric
St. Marys, KS
National Avg
Median Home Value
$186,800
$244,900
Median Monthly Rent
$869
$1,163
Homeownership Rate
64.5%
65.9%
Median Household Income
$69,183
$74,755
Crime & Safety
Very Safe
St. Marys's violent crime rate is 82.0 per 100,000 residents
— 78% lower than the national average of ~380 per 100,000.
Violent Crime
82.0 /100k
Property Crime
529.1 /100k
Vertical marker = national average. Source: FBI UCR Program.
Schools & Education
St. Marys is served primarily by Kaw Valley.
The student-to-teacher ratio is 10.8:1
(better than the national average of ~16:1).
Metric
St. Marys, KS
National Avg
School District
Kaw Valley
—
Elementary Schools
2
—
Middle Schools
N/A
—
High Schools
2
—
Student/Teacher Ratio
10.8:1
16:1
Bachelor's Degree or Higher
23.2%
35.4%
High School Diploma or Higher
97.6%
91.1%
Weather & Climate
St. Marys sees average highs of 39.3°F in January
and 89.8°F in July,
with 36.1 inches of annual precipitation
and 12.3 inches of snow per year.
St. Marys's cost of living index is 90, where 100 is the national average.
That makes St. Marys roughly 10% less expensive than a typical US city — a meaningful affordability advantage.
The median home price is $186,800 and median rent is $869/month.
St. Marys's violent crime rate is 82.0 per 100,000 residents — the national average is ~380 per 100,000. Property crime is 529.1 per 100,000 (national avg ~2,100). Data from the FBI Uniform Crime Reporting Program.
Public schools in St. Marys are operated by Kaw Valley.
The district has 2 elementary, several middle, and 2 high schools.
The student-to-teacher ratio is 10.8:1. 23.2% of adults 25+ hold a bachelor's degree or higher.
St. Marys, KS has a population of 2,661, a median household income of $69,183, and an unemployment rate of 3.1%.
It offers below-average costs of living, which stretches take-home pay further than in most American cities. Whether it's right for you depends on your priorities — use the compare tool above to stack it against another city you're considering.
St. Marys averages 39.3°F in January and 89.8°F in July. Annual rainfall is 36.1 inches
with about 12.3 inches of snow per year.
Based on NOAA 30-year climate normals (1991–2020).
St. Marys, KS is covered by 1 ZIP code: 66536.
The population of St. Marys, Kansas is 2,661 with a median age of 26.4. Source: US Census ACS 5-Year Estimates.
Key numbers for living in St. Marys: cost of living index 90 (100 = US average), median home $186,800, median household income $69,183, crime index 23 (100 = US average, lower is safer), schools rated A-. Whether these are benefits or drawbacks depends on where you're coming from — compare St. Marys side by side with your current city to see the trade-offs.