Quonochontaug, Rhode Island Demographics & Population 2026

A note before these figures: with a population of 610, Quonochontaug'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

Quonochontaug is a small community located in Rhode Island, within Washington County. The total population is 610. It ranks as the 29th most populous out of 36 Census-designated places in Rhode Island.

Age Demographics

The median age in Quonochontaug is 61.5 years. This is 51% higher than the state median of 40.6 years. Only 7.0% of residents are under 18, indicating fewer families with children. 21.5% 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 Quonochontaug is $86,071. This is 2% lower than the state median of $87,796. It is also 7% higher than the national median of $80,734. The poverty rate stands at 5.3%. This is 53% lower than the state poverty rate of 11.2%. The unemployment rate is 11.4%. This is 97% higher than the state rate of 5.8%. The median home value is $1,043,900. Housing costs are 158% higher than the state median of $404,200. The home-value-to-income ratio of 12.1x suggests that housing affordability is a significant concern for many residents. 94.1% of occupied housing units are owner-occupied. This homeownership rate is 48% higher than the state average of 63.6%.

Race & Ethnicity

Quonochontaug has a predominantly White (non-Hispanic) population, comprising 96.4% of all residents. Hispanic or Latino residents account for 3.6%. The Hispanic or Latino population (3.6%) is well below the state average of 17.7%.

Education

72.1% of residents aged 25 and older hold a bachelor's degree or higher. This places Quonochontaug in the top 10% of all cities in the state for educational attainment. This is 91% higher than the state rate of 37.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.2%. Notably, 47.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Quonochontaug, Rhode Island 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 Rhode Island state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 36 Census-designated places in Rhode Island. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.