Dilley, Oregon Demographics & Population 2026

A note before these figures: with a population of 200, Dilley'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

Dilley is a small community located in Oregon, within Washington County. The total population is 200. It ranks as the 361st most populous out of 420 Census-designated places in Oregon.

Age Demographics

The median age in Dilley is 36.9 years. This is 9% lower than the state median of 40.4 years. 16.0% 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 Dilley is $250,000+. This is 201% higher than the state median of $83,011. It is also 210% higher than the national median of $80,734. The ACS records no residents below the poverty line in Dilley. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in Dilley, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $753,600. Housing costs are 58% higher than the state median of $477,600. The home-value-to-income ratio is 3.0x. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 58% higher than the state average of 63.3%.

Race & Ethnicity

Every resident counted in Dilley was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.

Education

31.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 15% lower than the state rate of 36.8%. 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 Dilley, Oregon 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 Oregon state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 420 Census-designated places in Oregon. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.