Volcano, Hawaii Demographics & Population 2026

A note before these figures: with a population of 746, Volcano'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

Volcano is a small community located in Hawaii, within Hawaii County. The total population is 746. It ranks as the 136th most populous out of 163 Census-designated places in Hawaii.

Age Demographics

The median age in Volcano is 59.9 years. This is 46% higher than the state median of 40.9 years. Only 7.2% of residents are under 18, indicating fewer families with children. 11.0% 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 Volcano is $74,609. This is 26% lower than the state median of $100,389. It is also 8% lower than the national median of $80,734. The poverty rate stands at 15.3%. This is 52% higher than the state poverty rate of 10.0%. The unemployment rate is 2.9%. This is 42% lower than the state rate of 4.9%. The median home value is $574,500. Housing costs are 32% lower than the state median of $839,100. The home-value-to-income ratio of 7.7x suggests that housing affordability is a significant concern for many residents. 91.5% of occupied housing units are owner-occupied. This homeownership rate is 45% higher than the state average of 63.0%.

Race & Ethnicity

The largest racial or ethnic group in Volcano is White (non-Hispanic), making up 60.9% of the population. Asian residents account for 7.4%. The White (non-Hispanic) population is significantly higher than the state average (60.9% vs 20.9%). The Hispanic or Latino population (4.7%) is well below the state average of 9.9%. The Asian population (7.4%) is well below the state average of 36.4%.

Education

50.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 40% higher than the state rate of 36.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.6%. Notably, 25.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Volcano, Hawaii 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 Hawaii state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 163 Census-designated places in Hawaii. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.