Iliamna, Alaska Demographics & Population 2026

A note before these figures: with a population of 70, Iliamna's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Iliamna is a small community located in Alaska, within Lake and Peninsula Borough. The total population is 70. It ranks as the 251st most populous out of 326 Census-designated places in Alaska.

Age Demographics

The median age in Iliamna is 54.3 years. This is 52% higher than the state median of 35.8 years. 15.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Iliamna is $74,500. This is 20% lower than the state median of $92,788. It is also 8% lower than the national median of $80,734. The poverty rate stands at 30.0%. This is 196% higher than the state poverty rate of 10.1%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 23.5%. This is 302% higher than the state rate of 5.9%. The median home value is $330,000. Housing costs are 6% lower than the state median of $352,900. The home-value-to-income ratio is 4.4x. 81.3% of occupied housing units are owner-occupied. This homeownership rate is 22% higher than the state average of 66.8%.

Race & Ethnicity

Iliamna is a highly diverse community where no single racial or ethnic group constitutes a majority of the population.

Education

37.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 18% higher than the state rate of 31.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample. Notably, 20.8% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Iliamna, 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.