Chinook, Washington Demographics & Population 2026

A note before these figures: with a population of 541, Chinook'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

Chinook is a small community located in Washington, within Pacific County. The total population is 541. It ranks as the 467th most populous out of 628 Census-designated places in Washington.

Age Demographics

The median age in Chinook is 53.1 years. This is 39% higher than the state median of 38.3 years. Only 12.9% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Chinook is $108,147. This is 10% higher than the state median of $98,141. It is also 34% higher than the national median of $80,734. The poverty rate stands at 2.4%. This is 76% lower than the state poverty rate of 9.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in Chinook, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $352,000. Housing costs are 38% lower than the state median of $564,600. The home-value-to-income ratio is 3.3x. 97.6% of occupied housing units are owner-occupied. This homeownership rate is 53% higher than the state average of 63.8%.

Race & Ethnicity

Chinook has a predominantly White (non-Hispanic) population, comprising 95.4% of all residents. The White (non-Hispanic) population is significantly higher than the state average (95.4% vs 63.1%).

Education

6.2% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 84% lower than the state rate of 39.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.5%.

Data Sources & Methodology

All demographic data for Chinook, Washington 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 Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 628 Census-designated places in Washington. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.