Watertown, Connecticut Demographics & Population 2026
During the 2020–2024 ACS period, Watertown, Connecticut had a total population of 3,897, the 79th largest community in Connecticut, with a median household income of $103,200, which is 8% higher than the state average. The poverty rate is 13.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Near full employment with an unemployment rate of just 2.3%.
Watertown Quick Facts
How Watertown 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 | 4,215 | 3,897 | -7.5% |
| Median household income | $98,003 | $103,200 | +5.3% |
| Median home value | $278,500 | $293,300 | +5.3% |
How Watertown 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 less diverse community where one racial or ethnic group represents a large majority.
State average: 57 | National average: 61
Education
Educational Attainment (Adults 25+)
Watertown Rankings in Connecticut
Explore Connecticut Rankings
Cities Similar to Watertown
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Collinsville | 3,963 | $94,815 | $395,500 | 57.0% | 7.7% |
| Quinnipiac University | 4,311 | N/A | N/A | 100.0% | N/A |
| Broad Brook | 3,609 | $97,625 | $347,400 | 46.5% | 9.9% |
| Clinton | 3,465 | $102,750 | $365,500 | 42.0% | 10.2% |
| Lordship | 3,669 | $84,606 | $465,200 | 47.3% | 8.6% |
Population Overview
Watertown is a small community located in Connecticut. The total population is 3,897. It ranks as the 79th most populous out of 214 Census-designated places in Connecticut.
Age Demographics
The median age in Watertown is 43.9 years. This is 7% higher than the state median of 41.1 years.
Economy, Income & Housing
The median household income in Watertown is $103,200. This is 8% higher than the state median of $95,781. It is also 28% higher than the national median of $80,734. The poverty rate stands at 13.2%. This is 32% higher than the state poverty rate of 10.0%. The unemployment rate is 2.3%. This is 58% lower than the state rate of 5.6%. The median home value is $293,300. Housing costs are 20% lower than the state median of $366,900. With a home-value-to-income ratio of just 2.8x, Watertown is one of the most affordable housing markets in the area. 80.1% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 66.5%.
Race & Ethnicity
The largest racial or ethnic group in Watertown is White (non-Hispanic), making up 80.0% of the population. Asian residents account for 6.9%. The Black or African American population (1.1%) is well below the state average of 9.8%. The Hispanic or Latino population (6.8%) is well below the state average of 18.3%.
Education
45.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 7% higher 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 92.4%. Notably, 24.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Watertown, 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 Watertown, Connecticut?
Watertown, Connecticut has a population of 3,897 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Watertown, CT?
The median household income in Watertown is $103,200, which is 28% higher than the national median of $80,734.
What is the poverty rate in Watertown, CT?
The poverty rate in Watertown is 13.2%. This means approximately 515 residents live below the federal poverty line.
What is the racial makeup of Watertown, Connecticut?
Watertown's population is 80.0% White, 1.1% Black, 6.8% Hispanic/Latino, and 6.9% Asian.
What is the median home value in Watertown, CT?
The median home value in Watertown is $293,300. The home-value-to-income ratio is 2.8x.
How educated is Watertown, Connecticut?
45.4% of adults (25+) in Watertown hold a bachelor's degree or higher, and 24.4% hold a graduate or professional degree.