Deerfield, Massachusetts Demographics & Population 2026

A note before these figures: with a population of 458, Deerfield'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

Deerfield is a small community located in Massachusetts, within Franklin County. The total population is 458. It ranks as the 240th most populous out of 248 Census-designated places in Massachusetts.

Age Demographics

The median age in Deerfield is 41.8 years. This is 4% higher than the state median of 40.0 years. Only 13.1% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Deerfield is $182,788. This is 76% higher than the state median of $103,960. It is also 126% higher than the national median of $80,734. The poverty rate stands at 13.6%. This is 36% higher than the state poverty rate of 10.0%. The unemployment rate is 3.2%. This is 38% lower than the state rate of 5.1%. 51.3% of occupied housing units are owner-occupied. This homeownership rate is 18% lower than the state average of 62.5%.

Race & Ethnicity

The largest racial or ethnic group in Deerfield is White (non-Hispanic), making up 72.3% of the population. Hispanic or Latino residents account for 12.9%. The Black or African American population (2.2%) is well below the state average of 6.4%. The Asian population (2.2%) is well below the state average of 7.2%.

Education

72.1% of residents aged 25 and older hold a bachelor's degree or higher. This places Deerfield in the top 10% of all cities in the state for educational attainment. This is 53% higher than the state rate of 47.3%. 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, 50.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Deerfield, Massachusetts 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 Massachusetts state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 248 Census-designated places in Massachusetts. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.