Mill Bay, Alaska Demographics & Population 2026
During the 2020–2024 ACS period, Mill Bay, Alaska had a total population of 3,654, the 32nd largest community in Alaska, with a median household income of $88,580, which is 5% lower than the state average. The poverty rate is 9.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Mill Bay Quick Facts
How Mill Bay Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 3,541 | 3,654 | +3.2% |
| Median household income | $94,359 | $88,580 | -6.1% |
| Median home value | $430,600 | $463,200 | +7.6% |
How Mill Bay Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 63 | National average: 61
Education
Educational Attainment (Adults 25+)
Mill Bay Rankings in Alaska
Explore Alaska Rankings
Other Cities in Kodiak Island Borough
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Kodiak | 5,447 | $90,292 | 7.5% | $347,100 |
| Kodiak Station | 1,823 | $83,750 | 3.2% | N/A |
| Womens Bay | 788 | N/A | 10.5% | $438,200 |
| Old Harbor | 162 | $30,000 | 56.2% | N/A |
| Akhiok | 160 | $85,139 | 17.5% | $54,400 |
| Port Lions | 150 | $46,250 | 20.7% | $161,500 |
| Larsen Bay | 145 | $37,188 | 29.7% | $117,500 |
| Ouzinkie | 86 | N/A | 22.1% | N/A |
| Karluk | 33 | N/A | 0.0% | $120,000 |
Cities Similar to Mill Bay
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Big Lake | 3,585 | $81,406 | $298,700 | 17.4% | 11.5% |
| Valdez | 3,847 | $99,271 | $313,000 | 31.9% | 5.8% |
| Nome | 3,653 | $113,646 | $356,900 | 22.1% | 8.8% |
| Butte | 4,085 | $101,042 | $374,600 | 33.7% | 6.7% |
| Goldstream | 3,294 | $103,589 | $289,600 | 68.6% | 4.7% |
Population Overview
Mill Bay is a small community located in Alaska, within Kodiak Island Borough. The total population is 3,654. It ranks as the 32nd most populous out of 326 Census-designated places in Alaska.
Age Demographics
The median age in Mill Bay is 35.4 years. This is 1% lower than the state median of 35.8 years. With 28.6% of the population under 18, Mill Bay has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Mill Bay is $88,580. This is 5% lower than the state median of $92,788. It is also 10% higher than the national median of $80,734. The poverty rate stands at 9.0%. This is 11% lower than the state poverty rate of 10.1%. The survey records no unemployed residents in Mill Bay, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $463,200. Housing costs are 31% higher than the state median of $352,900. The home-value-to-income ratio is 5.2x. 83.1% of occupied housing units are owner-occupied. This homeownership rate is 24% higher than the state average of 66.8%.
Race & Ethnicity
The largest racial or ethnic group in Mill Bay is White (non-Hispanic), making up 55.3% of the population. Asian residents account for 11.3%. The Black or African American population (0.3%) is well below the state average of 2.9%. The Asian population is significantly higher than the state average (11.3% vs 6.3%).
Education
36.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 16% higher than the state rate of 31.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.5%.
Data Sources & Methodology
All demographic data for Mill Bay, Alaska is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Alaska state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 326 Census-designated places in Alaska. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Mill Bay, Alaska?
Mill Bay, Alaska has a population of 3,654 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mill Bay, AK?
The median household income in Mill Bay is $88,580, which is 10% higher than the national median of $80,734.
What is the poverty rate in Mill Bay, AK?
The poverty rate in Mill Bay is 9.0%. This means approximately 321 residents live below the federal poverty line.
What is the racial makeup of Mill Bay, Alaska?
Mill Bay's population is 55.3% White, 0.3% Black, 4.2% Hispanic/Latino, and 11.3% Asian.
What is the median home value in Mill Bay, AK?
The median home value in Mill Bay is $463,200. The home-value-to-income ratio is 5.2x.
How educated is Mill Bay, Alaska?
36.8% of adults (25+) in Mill Bay hold a bachelor's degree or higher, and 13.6% hold a graduate or professional degree.