Old Mystic, Connecticut Demographics & Population 2026
During the 2020–2024 ACS period, Old Mystic, Connecticut had a total population of 3,340, the 90th largest community in Connecticut, with a median household income of $130,903, which is 37% higher than the state average. The poverty rate is 5.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 37% above the state average — one of the wealthiest communities in Connecticut.
Old Mystic Quick Facts
How Old Mystic 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 | 3,189 | 3,340 | +4.7% |
| Median household income | $119,444 | $130,903 | +9.6% |
| Median home value | $324,600 | $342,500 | +5.5% |
How Old Mystic 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+)
Old Mystic Rankings in Connecticut
Explore Connecticut Rankings
Cities Similar to Old Mystic
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| East Hampton | 3,347 | $123,929 | $345,800 | 40.5% | 3.8% |
| Durham | 3,347 | $152,396 | $401,700 | 42.4% | 6.1% |
| Pemberwick | 3,665 | $132,326 | $940,200 | 51.5% | 8.4% |
| Fairfield University | 2,939 | N/A | N/A | 5.7% | 92.3% |
| Clinton | 3,465 | $102,750 | $365,500 | 42.0% | 10.2% |
Population Overview
Old Mystic is a small community located in Connecticut. The total population is 3,340. It ranks as the 90th most populous out of 214 Census-designated places in Connecticut.
Age Demographics
The median age in Old Mystic is 46.3 years. This is 13% higher than the state median of 41.1 years. 11.0% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Old Mystic is $130,903. This is 37% higher than the state median of $95,781. It is also 62% higher than the national median of $80,734. The poverty rate stands at 5.3%. This is 47% lower than the state poverty rate of 10.0%. The unemployment rate is 3.2%. This is 43% lower than the state rate of 5.6%. The median home value is $342,500. Housing costs are 7% lower than the state median of $366,900. With a home-value-to-income ratio of just 2.6x, Old Mystic is one of the most affordable housing markets in the area. 90.3% of occupied housing units are owner-occupied. This homeownership rate is 36% higher than the state average of 66.5%.
Race & Ethnicity
The largest racial or ethnic group in Old Mystic is White (non-Hispanic), making up 84.6% of the population. Hispanic or Latino residents account for 6.6%. The Black or African American population (1.9%) is well below the state average of 9.8%. The Hispanic or Latino population (6.6%) is well below the state average of 18.3%.
Education
40.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 5% 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 95.9%. Notably, 18.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Old Mystic, 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 Old Mystic, Connecticut?
Old Mystic, Connecticut has a population of 3,340 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Old Mystic, CT?
The median household income in Old Mystic is $130,903, which is 62% higher than the national median of $80,734.
What is the poverty rate in Old Mystic, CT?
The poverty rate in Old Mystic is 5.3%. This means approximately 176 residents live below the federal poverty line.
What is the racial makeup of Old Mystic, Connecticut?
Old Mystic's population is 84.6% White, 1.9% Black, 6.6% Hispanic/Latino, and 4.8% Asian.
What is the median home value in Old Mystic, CT?
The median home value in Old Mystic is $342,500. The home-value-to-income ratio is 2.6x.
How educated is Old Mystic, Connecticut?
40.2% of adults (25+) in Old Mystic hold a bachelor's degree or higher, and 18.5% hold a graduate or professional degree.