Riverside, Oregon Demographics & Population 2026

A note before these figures: with a population of 362, Riverside'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

Riverside is a small community located in Oregon, within Umatilla County. The total population is 362. It ranks as the 313th most populous out of 420 Census-designated places in Oregon.

Age Demographics

The median age in Riverside is 30.1 years. This is 25% lower than the state median of 40.4 years. With 31.5% of the population under 18, Riverside has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Riverside is $101,875. This is 23% higher than the state median of $83,011. It is also 26% higher than the national median of $80,734. The poverty rate stands at 1.7%. This is 86% 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 Riverside, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $255,400. Housing costs are 47% lower than the state median of $477,600. With a home-value-to-income ratio of just 2.5x, Riverside is one of the most affordable housing markets in the area. 88.0% of occupied housing units are owner-occupied. This homeownership rate is 39% higher than the state average of 63.3%.

Race & Ethnicity

Riverside is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Hispanic or Latino residents account for 30.7%. The Hispanic or Latino population is significantly higher than the state average (30.7% vs 14.7%).

Education

27.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 26% lower than the state rate of 36.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.8%.

Data Sources & Methodology

All demographic data for Riverside, 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.