Greenville, California Demographics & Population 2026

A note before these figures: with a population of 424, Greenville'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

Greenville is a small community located in California, within Plumas County. The total population is 424. It ranks as the 1254th most populous out of 1,570 Census-designated places in California.

Age Demographics

The median age in Greenville is 55.9 years. This is 47% higher than the state median of 37.9 years. With 29.0% of the population under 18, Greenville has a notably young demographic profile, suggesting a family-oriented community. 16.8% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The poverty rate stands at 6.1%. This is 49% lower than the state poverty rate of 12.0%. The survey records no unemployed residents in Greenville, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $241,200. Housing costs are 67% lower than the state median of $734,700. 86.1% of occupied housing units are owner-occupied. This homeownership rate is 54% higher than the state average of 55.9%.

Race & Ethnicity

Greenville has a predominantly White (non-Hispanic) population, comprising 96.7% of all residents. Hispanic or Latino residents account for 2.4%. The White (non-Hispanic) population is significantly higher than the state average (96.7% vs 33.8%). The Black or African American population (0.2%) is well below the state average of 5.2%. The Hispanic or Latino population (2.4%) is well below the state average of 40.2%.

Education

8.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 76% lower 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 96.6%.

Data Sources & Methodology

All demographic data for Greenville, 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.