St. Mary's

County:: Kusilvak Census Area
County Seat:: No
Area (mi²):: 44.605
State:: Alaska

St. Mary's is a city located in Kusilvak Census Area, Alaska. St. Mary's has a 2025 population of 560. St. Mary's is currently declining at a rate of -1.41% annually and its population has decreased by -6.98% since the most recent census, which recorded a population of 602 in 2020.

The average household income in St. Mary's is $68,163 with a poverty rate of 26.4%.The median age in St. Mary's is 26.2 years: 31.4 years for males, and 24.8 years for females.

Demographics

The racial composition of St. Mary's includes 86.55% Native American, 4.95% White, and smaller percentages for Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
Native American	682	86.55%
Two or more races	61	7.74%
White	39	4.95%
Native Hawaiian or Pacific Islander	6	0.76%

St. Mary's Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Mary's' average per capita income is $32,955. Household income levels show a median of $45,000. The poverty rate stands at 26.4%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$88,438	-
Families	$46,389	$68,779
Households	$45,000	$68,163
Non Families	$22,500	$41,888

$32,955

Average Income

$45,000

Median Household Income

26.4%

Poverty Rate