Greenhorn, California Demographics & Population 2026

A note before these figures: with a population of 243, Greenhorn'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

Greenhorn is a small community located in California, within Plumas County. The total population is 243. It ranks as the 1347th most populous out of 1,570 Census-designated places in California.

Age Demographics

The median age in Greenhorn is 64.6 years. This is 70% higher than the state median of 37.9 years. 22.2% 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 Greenhorn is $71,538. This is 28% lower than the state median of $99,122. It is also 11% lower than the national median of $80,734. The poverty rate stands at 7.0%. This is 42% lower than the state poverty rate of 12.0%. The survey records no unemployed residents in Greenhorn, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $276,400. Housing costs are 62% lower than the state median of $734,700. The home-value-to-income ratio is 3.9x. 94.9% of occupied housing units are owner-occupied. This homeownership rate is 70% higher than the state average of 55.9%.

Race & Ethnicity

The largest racial or ethnic group in Greenhorn is White (non-Hispanic), making up 83.1% of the population. The White (non-Hispanic) population is significantly higher than the state average (83.1% vs 33.8%).

Education

0.0% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. 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 Greenhorn, 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.