Walnut Grove, California Demographics & Population 2026

A note before these figures: with a population of 926, Walnut Grove'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

Walnut Grove is a small community located in California, within Sacramento County. The total population is 926. It ranks as the 1083rd most populous out of 1,570 Census-designated places in California.

Age Demographics

The median age in Walnut Grove is 40.1 years. This is 6% higher than the state median of 37.9 years.

Economy, Income & Housing

The median household income in Walnut Grove is $78,878. This is 20% lower than the state median of $99,122. It is also 2% lower than the national median of $80,734. The poverty rate stands at 17.9%. This is 49% higher than the state poverty rate of 12.0%. The survey records no unemployed residents in Walnut Grove, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $561,500. Housing costs are 24% lower than the state median of $734,700. The home-value-to-income ratio of 7.1x suggests that housing affordability is a significant concern for many residents. 44.7% of occupied housing units are owner-occupied. This homeownership rate is 20% lower than the state average of 55.9%.

Race & Ethnicity

Walnut Grove is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. White (non-Hispanic) residents account for 42.8%.

Education

40.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 8% 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 89.8%.

Data Sources & Methodology

All demographic data for Walnut Grove, 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.