Twin Lakes, Washington Demographics & Population 2026

A note before these figures: with a population of 115, Twin Lakes'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

Twin Lakes is a small community located in Washington, within Ferry County. The total population is 115. It ranks as the 596th most populous out of 628 Census-designated places in Washington.

Age Demographics

The median age in Twin Lakes is 61.9 years. This is 62% higher than the state median of 38.3 years. 13.0% 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 Twin Lakes is $63,542. This is 35% lower than the state median of $98,141. It is also 21% lower than the national median of $80,734. The poverty rate stands at 2.6%. This is 74% 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 11.8%. This is 131% higher than the state rate of 5.1%. 83.0% of occupied housing units are owner-occupied. This homeownership rate is 30% higher than the state average of 63.8%.

Race & Ethnicity

The largest racial or ethnic group in Twin Lakes is White (non-Hispanic), making up 49.6% of the population. Black or African American residents account for 6.1%. The Black or African American population is significantly higher than the state average (6.1% vs 3.9%).

Education

18.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 53% lower than the state rate of 39.6%. 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.

Data Sources & Methodology

All demographic data for Twin Lakes, 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.