La Grande, Washington Demographics & Population 2026

A note before these figures: with a population of 288, La Grande'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

La Grande is a small community located in Washington, within Pierce County. The total population is 288. It ranks as the 533rd most populous out of 628 Census-designated places in Washington.

Age Demographics

The median age in La Grande is 44.0 years. This is 15% higher than the state median of 38.3 years. With 32.6% of the population under 18, La Grande has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in La Grande is $250,000+. This is 155% higher than the state median of $98,141. It is also 210% higher than the national median of $80,734. The poverty rate stands at 5.0%. This is 49% lower than the state poverty rate of 9.9%. The survey records no unemployed residents in La Grande, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $1,067,100. Housing costs are 89% higher than the state median of $564,600. The home-value-to-income ratio is 4.3x. 81.1% of occupied housing units are owner-occupied. This homeownership rate is 27% higher than the state average of 63.8%.

Race & Ethnicity

The largest racial or ethnic group in La Grande is White (non-Hispanic), making up 77.8% of the population. Asian residents account for 4.9%.

Education

7.7% 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 80% 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 La Grande, 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.