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Thomaston, Connecticut Demographics & Population 2026

During the 2020–2024 ACS period, Thomaston, Connecticut had a total population of 1,988, the 124th largest community in Connecticut, with a median household income of $79,674, which is 17% lower than the state average. The poverty rate is 6.2%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Thomaston Quick Facts

Population 1,988
Median Household Income $79,674
Median Home Value $246,300
Poverty Rate 6.2%
Unemployment Rate 3.9%
Median Age 47.4 years
Homeownership Rate 56.6%
Affordability Ratio 3.1x
Bachelor's Degree or Higher 31.9%
High School Graduation Rate 93.1%
Diversity Index 47/100
Population 1,988 124th of 214
Median Income $79,674 bottom 30%
Poverty Rate 6.2% 50% lower than national
Median Home Value $246,300 bottom 20%

How Thomaston Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population2,0731,988-4.1%
Median household income$81,667$79,674-2.4%
Median home value$236,900$246,300+4.0%

How Thomaston Compares

Economy & Housing

Household Income Distribution

Under $25K 13.7%
$25K-$50K 18.2%
$50K-$100K 33.1%
$100K+ 35.0%
Detailed income brackets
Under $10K
7.1%
$10K-$15K
0.0%
$15K-$20K
0.0%
$20K-$25K
6.6%
$25K-$30K
8.6%
$30K-$35K
1.5%
$35K-$40K
0.5%
$40K-$45K
3.1%
$45K-$50K
4.5%
$50K-$60K
2.1%
$60K-$75K
11.1%
$75K-$100K
20.0%
$100K-$125K
9.9%
$125K-$150K
7.1%
$150K-$200K
16.4%
$200K+
1.6%

Employment

3.9% Unemployment Rate State: 5.6%|National: 5.2%
65.4% Labor Force Participation

Housing Overview

Owner 56.6%
Renter 43.4%
Affordability Index Affordable
3.1x home value to income ratio
Median gross rent $1,016/mo 15.3% of median household income annually

People & Demographics

Diversity Index

47out of 100
Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 57 | National average: 61

Education

Thomaston Rankings in Connecticut

#124 Population of 214
#149 Median Income of 204
#160 Education of 214
#175 Home Value of 205

Explore Connecticut Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Cities Similar to Thomaston

These cities in the same state have comparable population and economic profiles.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Chester Center2,026$89,375$422,50040.1%17.1%
Suffield Depot2,006$91,625$383,90045.7%8.4%
Somers2,056$68,779$377,40038.8%3.6%
Guilford Center2,263$82,273$582,40052.7%6.6%
Moodus2,042$103,457$285,70024.5%1.4%

Population Overview

Thomaston is a small community located in Connecticut. The total population is 1,988. It ranks as the 124th most populous out of 214 Census-designated places in Connecticut.

Age Demographics

The median age in Thomaston is 47.4 years. This is 15% higher than the state median of 41.1 years.

Economy, Income & Housing

The median household income in Thomaston is $79,674. This is 17% lower than the state median of $95,781. It is also 1% lower than the national median of $80,734. The poverty rate stands at 6.2%. This is 38% lower than the state poverty rate of 10.0%. The unemployment rate is 3.9%. This is 31% lower than the state rate of 5.6%. The median home value is $246,300. Housing costs are 33% lower than the state median of $366,900. The home-value-to-income ratio is 3.1x. 56.6% of occupied housing units are owner-occupied. This homeownership rate is 15% lower than the state average of 66.5%.

Race & Ethnicity

The largest racial or ethnic group in Thomaston is White (non-Hispanic), making up 70.9% of the population. Black or African American residents account for 6.4%. The Hispanic or Latino population (3.6%) is well below the state average of 18.3%.

Education

31.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 25% 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 93.1%.

Data Sources & Methodology

All demographic data for Thomaston, 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 Thomaston, Connecticut?

Thomaston, Connecticut has a population of 1,988 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Thomaston, CT?

The median household income in Thomaston is $79,674, which is 1% lower than the national median of $80,734.

What is the poverty rate in Thomaston, CT?

The poverty rate in Thomaston is 6.2%. This means approximately 122 residents live below the federal poverty line.

What is the racial makeup of Thomaston, Connecticut?

Thomaston's population is 70.9% White, 6.4% Black, 3.6% Hispanic/Latino, and 4.2% Asian.

What is the median home value in Thomaston, CT?

The median home value in Thomaston is $246,300. The home-value-to-income ratio is 3.1x.

How educated is Thomaston, Connecticut?

31.9% of adults (25+) in Thomaston hold a bachelor's degree or higher, and 8.7% hold a graduate or professional degree.