Cornwall, Connecticut Demographics & Population 2026

A note before these figures: with a population of 84, Cornwall'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

Cornwall is a small community located in Connecticut. The total population is 84. It ranks as the 210th most populous out of 214 Census-designated places in Connecticut.

Age Demographics

The median age in Cornwall is 58.3 years. This is 42% higher than the state median of 41.1 years.

Economy, Income & Housing

The poverty rate stands at 5.9%. This is 41% lower than the state poverty rate of 10.0%. The survey records no unemployed residents in Cornwall, which reflects the size of the sample rather than a labor market without joblessness. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 50% higher than the state average of 66.5%.

Race & Ethnicity

Cornwall has a predominantly White (non-Hispanic) population, comprising 94.0% of all residents. Hispanic or Latino residents account for 5.9%. The White (non-Hispanic) population is significantly higher than the state average (94.0% vs 61.9%). The Hispanic or Latino population (5.9%) is well below the state average of 18.3%.

Education

65.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 54% higher than the state rate of 42.5%. 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. Notably, 25.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Cornwall, Connecticut 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 Connecticut state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 214 Census-designated places in Connecticut. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.