Hiouchi, California Demographics & Population 2026

A note before these figures: with a population of 105, Hiouchi'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

Hiouchi is a small community located in California, within Del Norte County. The total population is 105. It ranks as the 1453rd most populous out of 1,570 Census-designated places in California.

Age Demographics

The median age in Hiouchi is 71.1 years. This is 88% higher than the state median of 37.9 years. 20.9% 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 Hiouchi is $32,957. This is 67% lower than the state median of $99,122. It is also 59% lower than the national median of $80,734. The poverty rate stands at 20.9%. This is 74% higher than the state poverty rate of 12.0%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The survey records no unemployed residents in Hiouchi, which reflects the size of the sample rather than a labor market without joblessness. 84.7% of occupied housing units are owner-occupied. This homeownership rate is 52% higher than the state average of 55.9%.

Race & Ethnicity

Every resident counted in Hiouchi was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.

Education

21.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 41% lower than the state rate of 37.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample.

Data Sources & Methodology

All demographic data for Hiouchi, 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.