Thompsonville, Connecticut Demographics & Population 2026
During the 2020–2024 ACS period, Thompsonville, Connecticut had a total population of 7,927, the 45th largest community in Connecticut, with a median household income of $71,805, which is 25% lower than the state average. The poverty rate is 18.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Thompsonville Quick Facts
How Thompsonville Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 7,473 | 7,927 | +6.1% |
| Median household income | $71,714 | $71,805 | +0.1% |
| Median home value | $235,200 | $241,600 | +2.7% |
How Thompsonville Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 57 | National average: 61
Education
Educational Attainment (Adults 25+)
Thompsonville Rankings in Connecticut
Explore Connecticut Rankings
Cities Similar to Thompsonville
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| New Milford | 8,188 | $83,235 | $331,900 | 34.7% | 8.3% |
| Conning Towers-Nautilus Park | 8,460 | $81,694 | $290,100 | 30.3% | 7.1% |
| Putnam | 7,120 | $65,511 | $245,100 | 18.8% | 11.7% |
| Winsted | 6,977 | $64,871 | $218,900 | 26.8% | 15.9% |
| Groton | 9,490 | $79,577 | $306,600 | 38.8% | 18.6% |
Population Overview
Thompsonville is a small city located in Connecticut. The total population is 7,927. It ranks as the 45th most populous out of 214 Census-designated places in Connecticut.
Age Demographics
The median age in Thompsonville is 34.1 years. This is 17% lower than the state median of 41.1 years.
Economy, Income & Housing
The median household income in Thompsonville is $71,805. This is 25% lower than the state median of $95,781. It is also 11% lower than the national median of $80,734. The poverty rate stands at 18.7%. This is 86% higher than the state poverty rate of 10.0%. The unemployment rate is 6.2%. This is 11% higher than the state rate of 5.6%. The median home value is $241,600. Housing costs are 34% lower than the state median of $366,900. The home-value-to-income ratio is 3.4x. 40.3% of occupied housing units are owner-occupied. This homeownership rate is 39% lower than the state average of 66.5%.
Race & Ethnicity
The largest racial or ethnic group in Thompsonville is White (non-Hispanic), making up 61.5% of the population. Hispanic or Latino residents account for 19.5%. The Black or African American population (4.8%) is well below the state average of 9.8%. The Asian population (1.0%) is well below the state average of 4.8%.
Education
24.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 43% lower than the state rate of 42.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.7%.
Data Sources & Methodology
All demographic data for Thompsonville, 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.
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Frequently Asked Questions
What is the population of Thompsonville, Connecticut?
Thompsonville, Connecticut has a population of 7,927 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Thompsonville, CT?
The median household income in Thompsonville is $71,805, which is 11% lower than the national median of $80,734.
What is the poverty rate in Thompsonville, CT?
The poverty rate in Thompsonville is 18.7%. This means approximately 1,447 residents live below the federal poverty line.
What is the racial makeup of Thompsonville, Connecticut?
Thompsonville's population is 61.5% White, 4.8% Black, 19.5% Hispanic/Latino, and 1.0% Asian.
What is the median home value in Thompsonville, CT?
The median home value in Thompsonville is $241,600. The home-value-to-income ratio is 3.4x.
How educated is Thompsonville, Connecticut?
24.3% of adults (25+) in Thompsonville hold a bachelor's degree or higher, and 8.2% hold a graduate or professional degree.