Stamford, Connecticut Demographics & Population 2026
During the 2020–2024 ACS period, Stamford, Connecticut had a total population of 137,144, the 2nd largest city in Connecticut, with a median household income of $111,586, which is 17% higher than the state average. The poverty rate is 10.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Stamford is the 2nd largest city in Connecticut with a population of 137,144.
- One of the most racially diverse communities in Connecticut (diversity index: 70/100).
Stamford Quick Facts
How Stamford 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 | 135,806 | 137,144 | +1.0% |
| Median household income | $107,474 | $111,586 | +3.8% |
| Median home value | $614,300 | $624,400 | +1.6% |
How Stamford 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
This community is exceptionally diverse, with no single racial or ethnic group dominating the population.
State average: 57 | National average: 61
Education
Educational Attainment (Adults 25+)
Stamford Rankings in Connecticut
Explore Connecticut Rankings
Cities Similar to Stamford
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| New Haven | 134,349 | $56,851 | $287,100 | 38.9% | 23.9% |
| Bridgeport | 149,153 | $58,685 | $274,900 | 23.4% | 21.0% |
| Norwalk | 92,187 | $107,616 | $558,000 | 44.8% | 9.1% |
| Waterbury | 114,869 | $51,886 | $208,500 | 17.3% | 24.7% |
| Hartford | 121,127 | $46,411 | $228,600 | 19.4% | 26.3% |
Population Overview
Stamford is a major urban center located in Connecticut. The total population is 137,144. It ranks as the 2nd most populous out of 214 Census-designated places in Connecticut.
Age Demographics
The median age in Stamford is 38.4 years. This is 7% lower than the state median of 41.1 years.
Economy, Income & Housing
The median household income in Stamford is $111,586. This is 17% higher than the state median of $95,781. It is also 38% higher than the national median of $80,734. The poverty rate stands at 10.1%. This is 1% higher than the state poverty rate of 10.0%. The unemployment rate is 4.9%. This is 12% lower than the state rate of 5.6%. The median home value is $624,400. Housing costs are 70% higher than the state median of $366,900. The home-value-to-income ratio is 5.6x. 48.8% of occupied housing units are owner-occupied. This homeownership rate is 27% lower than the state average of 66.5%.
Race & Ethnicity
Stamford is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Hispanic or Latino residents account for 28.3%. The Black or African American population is significantly higher than the state average (17.7% vs 9.8%). The Hispanic or Latino population is significantly higher than the state average (28.3% vs 18.3%). The Asian population is significantly higher than the state average (7.3% vs 4.8%).
Education
51.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 22% 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 88.8%. Notably, 22.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Stamford, 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 Stamford, Connecticut?
Stamford, Connecticut has a population of 137,144 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Stamford, CT?
The median household income in Stamford is $111,586, which is 38% higher than the national median of $80,734.
What is the poverty rate in Stamford, CT?
The poverty rate in Stamford is 10.1%. This means approximately 13,771 residents live below the federal poverty line.
What is the racial makeup of Stamford, Connecticut?
Stamford's population is 43.2% White, 17.7% Black, 28.3% Hispanic/Latino, and 7.3% Asian.
What is the median home value in Stamford, CT?
The median home value in Stamford is $624,400. The home-value-to-income ratio is 5.6x.
How educated is Stamford, Connecticut?
51.7% of adults (25+) in Stamford hold a bachelor's degree or higher, and 22.2% hold a graduate or professional degree.