Copalis Beach, Washington Demographics & Population 2026

A note before these figures: with a population of 671, Copalis Beach'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

Copalis Beach is a small community located in Washington, within Grays Harbor County. The total population is 671. It ranks as the 436th most populous out of 628 Census-designated places in Washington.

Age Demographics

The median age in Copalis Beach is 48.3 years. This is 26% higher than the state median of 38.3 years.

Economy, Income & Housing

The median household income in Copalis Beach is $93,180. This is 5% lower than the state median of $98,141. It is also 15% higher than the national median of $80,734. The poverty rate stands at 3.3%. This is 67% lower than the state poverty rate of 9.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 15.0%. This is 194% higher than the state rate of 5.1%. The median home value is $274,100. Housing costs are 51% lower than the state median of $564,600. With a home-value-to-income ratio of just 2.9x, Copalis Beach is one of the most affordable housing markets in the area. 96.4% of occupied housing units are owner-occupied. This homeownership rate is 51% higher than the state average of 63.8%.

Race & Ethnicity

Copalis Beach has a predominantly White (non-Hispanic) population, comprising 98.8% of all residents. Hispanic or Latino residents account for 0.6%. The White (non-Hispanic) population is significantly higher than the state average (98.8% vs 63.1%). The Hispanic or Latino population (0.6%) is well below the state average of 14.4%.

Education

30.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 23% 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 97.8%.

Data Sources & Methodology

All demographic data for Copalis Beach, 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.