Plumas Eureka, California Demographics & Population 2026

A note before these figures: with a population of 372, Plumas Eureka'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

Plumas Eureka is a small community located in California, within Plumas County. The total population is 372. It ranks as the 1276th most populous out of 1,570 Census-designated places in California.

Age Demographics

The median age in Plumas Eureka is 62.5 years. This is 65% higher than the state median of 37.9 years. With 30.4% of the population under 18, Plumas Eureka has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Plumas Eureka is $91,042. This is 8% lower than the state median of $99,122. It is also 13% higher than the national median of $80,734. The poverty rate stands at 6.5%. This is 46% lower than the state poverty rate of 12.0%. The unemployment rate is 13.5%. This is 104% higher than the state rate of 6.6%. The median home value is $517,100. Housing costs are 30% lower than the state median of $734,700. The home-value-to-income ratio is 5.7x. 95.8% of occupied housing units are owner-occupied. This homeownership rate is 71% higher than the state average of 55.9%.

Race & Ethnicity

Plumas Eureka has a predominantly White (non-Hispanic) population, comprising 92.2% of all residents. Hispanic or Latino residents account for 1.9%. The White (non-Hispanic) population is significantly higher than the state average (92.2% vs 33.8%). The Hispanic or Latino population (1.9%) is well below the state average of 40.2%.

Education

38.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 3% higher than the state rate of 37.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.3%.

Data Sources & Methodology

All demographic data for Plumas Eureka, California 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 California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,570 Census-designated places in California. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.