St. Mary, Kentucky
2026 Edition · 7 cards · data as of Oct 30, 2026
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Population
Steady. Within 1% of 2020, every year since.
138
people, the 396th-largest of Kentucky's cities and towns.
Census Population Estimates, 2025. Rank among Kentucky's cities and towns computed by the Almanac. Sources: Census Population Estimates
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The seam
Cross one tract line and median rent jumps $165.
A $165 gap between neighbors, the sharpest rent edge between adjacent tracts in Marion County.
- $674 Tract 9707
- $839 Tract 9703
Census ACS 5-year, 2020-2024, adjacent tracts compared by the Almanac. Tract estimates carry wide margins of error. Sources: Census ACS 5-year
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Building
60% of the housing here was built before 2000.
- 60% of all homes were built before 2000
Census ACS 5-year, 2020-2024. Survey estimates for a place this size carry wide margins of error. Sources: Census ACS 5-year
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Units needed
None of three estimates finds a housing shortfall here.
0
is the estimated number of missing housing units, from the lowest to the highest of three estimates.
Range computed by the Almanac from 2013 jobs and household data, using three demand models: 1% of jobs located here, 1% of renter households, and a rate by town size applied to renters. The low end is the lowest of the three and the high end the highest. It is an estimate, not a count. Sources: Computed by the Almanac
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Home value
A median home costs 24% less than Kentucky's.
$157,100
median home value in St. Mary.
- $157,100 St. Mary
- $205,600 Kentucky
- $332,700 U.S.
Census ACS 5-year, 2020-2024. Survey estimates for a place this size carry wide margins of error. Sources: Census ACS 5-year