Mill Bay

County:: Kodiak Island Borough
County Seat:: No
Area (mi²):: 3.444
State:: Alaska

Mill Bay is a CDP located in Kodiak Island Borough, Alaska. Mill Bay has a 2025 population of 4,521. Mill Bay is currently growing at a rate of 7.13% annually and its population has increased by 15.8% since the most recent census, which recorded a population of 3,904 in 2020.

The average household income in Mill Bay is $125,433 with a poverty rate of 5.72%.The median age in Mill Bay is 35.5 years: 35.4 years for males, and 35.5 years for females.

Demographics

The racial composition of Mill Bay includes 57.87% White, 14.26% Native American, 11.8% Asian, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,049	57.87%
Two or more races	566	15.98%
Native American	505	14.26%
Asian	418	11.8%
Black or African American	3	0.08%

Mill Bay Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mill Bay's average per capita income is $45,425. Household income levels show a median of $94,359. The poverty rate stands at 5.72%.

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	$126,500	-
Families	$124,844	$159,097
Households	$94,359	$125,433
Non Families	-	$53,862

$45,425

Average Income

$94,359

Median Household Income

5.72%

Poverty Rate