Summerville, Oregon Demographics & Population 2026

A note before these figures: with a population of 106, Summerville'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

Summerville is a small community located in Oregon, within Union County. The total population is 106. It ranks as the 395th most populous out of 420 Census-designated places in Oregon.

Age Demographics

The median age in Summerville is 42.0 years. This is 4% higher than the state median of 40.4 years.

Economy, Income & Housing

The median household income in Summerville is $120,417. This is 45% higher than the state median of $83,011. It is also 49% higher than the national median of $80,734. The poverty rate stands at 3.9%. This is 68% lower than the state poverty rate of 11.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in Summerville, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $275,000. Housing costs are 42% lower than the state median of $477,600. With a home-value-to-income ratio of just 2.3x, Summerville is one of the most affordable housing markets in the area. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 58% higher than the state average of 63.3%.

Race & Ethnicity

The largest racial or ethnic group in Summerville is White (non-Hispanic), making up 79.3% of the population. Hispanic or Latino residents account for 20.8%.

Education

22.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 39% 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 Summerville, 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.