Cost of Living in St. Mary's, AK

With a cost of living index of 91, St. Mary's, AK is slightly more affordable than average. Living here is 9% cheaper than the national average and in line with the Alaska state average. St. Mary's is a small community of 788 residents.

Housing costs are the biggest factor in St. Mary's's cost of living. The median monthly rent is $1,500 (14% above the US median of $1,319), and the median home value sits at $103,400 (66% below the national median of $304,900). At current prices, the median home costs roughly 2.3x the median household income — well within traditional affordability guidelines.

The median household income in St. Mary's is $45,000, which is 40% lower than the national median of $75,149. Residents spend roughly 40% of household income on rent. This exceeds the recommended 30% threshold, meaning many renters here are cost-burdened. Lower incomes here are balanced by the significantly lower cost of living, stretching each dollar further.

Climate is another factor for anyone considering a move to St. Mary's. The area sees an average annual temperature of 31.4°F, with summers averaging 55°F and winters around 10°F. Annual rainfall totals 19.7 inches spread over roughly 151 days. Cold winters mean higher heating bills, an important cost-of-living consideration.

Data sources: US Census Bureau (ACS 2023), Zillow Home Values, HUD Fair Market Rents, BEA Regional Price Parities, BLS Average Prices, and NOAA Climate Normals. Updated monthly.