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, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Native American

Asian

Black or African American

Native Hawaiian or Pacific Islander

Other 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%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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