Mesa, Washington Demographics & Population 2026

A note before these figures: with a population of 502, Mesa'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

Mesa is a small community located in Washington, within Franklin County. The total population is 502. It ranks as the 474th most populous out of 628 Census-designated places in Washington.

Age Demographics

The median age in Mesa is 16.5 years. This is 57% lower than the state median of 38.3 years. With 53.6% of the population under 18, Mesa has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Mesa is $83,056. This is 15% lower than the state median of $98,141. It is also 3% higher than the national median of $80,734. The poverty rate stands at 48.0%. This is 385% higher than the state poverty rate of 9.9%. 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 20.8%. This is 309% higher than the state rate of 5.1%. The median home value is $256,700. Housing costs are 55% lower than the state median of $564,600. The home-value-to-income ratio is 3.1x. 48.8% of occupied housing units are owner-occupied. This homeownership rate is 23% lower than the state average of 63.8%.

Race & Ethnicity

Mesa has a predominantly Hispanic or Latino population, comprising 86.9% of all residents. White (non-Hispanic) residents account for 8.8%. The White (non-Hispanic) population (8.8%) is well below the state average of 63.1%. The Hispanic or Latino population is significantly higher than the state average (86.9% vs 14.4%). The Asian population (3.2%) is well below the state average of 9.7%.

Education

9.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 76% 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 58.1%.

Data Sources & Methodology

All demographic data for Mesa, 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.