South Wilton, Connecticut Demographics & Population 2026
During the 2020–2024 ACS period, South Wilton, Connecticut had a total population of 1,444, the 138th largest community in Connecticut, with a median household income of $208,500, which is 118% higher than the state average. The poverty rate is 3.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 118% above the state average — one of the wealthiest communities in Connecticut.
- An exceptionally low poverty rate of 3.6% — among the lowest in Connecticut.
South Wilton Quick Facts
How South Wilton 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 | 1,453 | 1,444 | -0.6% |
| Median household income | $157,446 | $208,500 | +32.4% |
| Median home value | $780,800 | $842,300 | +7.9% |
How South Wilton 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
Moderate diversity with one or two groups making up the majority.
State average: 57 | National average: 61
Education
Educational Attainment (Adults 25+)
South Wilton Rankings in Connecticut
Explore Connecticut Rankings
Cities Similar to South Wilton
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Sacred Heart University | 1,436 | N/A | N/A | 61.9% | N/A |
| Lakes West | 1,395 | $220,313 | $714,500 | 84.6% | 1.2% |
| North Grosvenor Dale | 1,212 | N/A | $284,400 | 15.3% | 19.0% |
| Lakes East | 1,227 | $217,534 | $571,300 | 72.6% | 0.0% |
| Southport | 1,568 | $159,688 | $1,094,600 | 84.3% | 5.3% |
Population Overview
South Wilton is a small community located in Connecticut. The total population is 1,444. It ranks as the 138th most populous out of 214 Census-designated places in Connecticut.
Age Demographics
The median age in South Wilton is 45.7 years. This is 11% higher than the state median of 41.1 years.
Economy, Income & Housing
The median household income in South Wilton is $208,500. This is 118% higher than the state median of $95,781. It is also 158% higher than the national median of $80,734. The poverty rate stands at 3.6%. This is 64% lower than the state poverty rate of 10.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.8%. This is 50% lower than the state rate of 5.6%. The median home value is $842,300. Housing costs are 130% higher than the state median of $366,900. The home-value-to-income ratio is 4.0x. 76.8% of occupied housing units are owner-occupied. This homeownership rate is 15% higher than the state average of 66.5%.
Race & Ethnicity
The largest racial or ethnic group in South Wilton is White (non-Hispanic), making up 69.3% of the population. Asian residents account for 14.7%. The Hispanic or Latino population (1.2%) is well below the state average of 18.3%. The Asian population is significantly higher than the state average (14.7% vs 4.8%).
Education
69.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 64% 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 98.8%. Notably, 40.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for South Wilton, 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 South Wilton, Connecticut?
South Wilton, Connecticut has a population of 1,444 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in South Wilton, CT?
The median household income in South Wilton is $208,500, which is 158% higher than the national median of $80,734.
What is the poverty rate in South Wilton, CT?
The poverty rate in South Wilton is 3.6%. This means approximately 52 residents live below the federal poverty line.
What is the racial makeup of South Wilton, Connecticut?
South Wilton's population is 69.3% White, 5.9% Black, 1.2% Hispanic/Latino, and 14.7% Asian.
What is the median home value in South Wilton, CT?
The median home value in South Wilton is $842,300. The home-value-to-income ratio is 4.0x.
How educated is South Wilton, Connecticut?
69.7% of adults (25+) in South Wilton hold a bachelor's degree or higher, and 40.2% hold a graduate or professional degree.