Stamford, Connecticut Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Stamford, Connecticut is 135,806 as of the 2023 American Community Survey, making it the 2nd-largest city in Connecticut. The median household income is $107,474, the median home value is $614,300, and the median age is 38.2.
The population has grown 13.3% since 2010 (122,781 → 139,134).
135,806
Population
3609
People / sq mi
$107,474
Median Income
$614,300
Median Home Value
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Stamford covers 37.6 sq mi of land at 3609 people per square mile.
About Stamford, CT
Homeownership is the standout figure in Stamford: 47.6% of homes are owner-occupied, lower than the national rate. With 135,806 residents, Stamford is a city in Connecticut. It is the #2-largest of all cities in Connecticut nationally.
Households take in a median $107,474, comfortably above the US median of $78,538. Poverty runs at 6.4%, below the national 12.4%. Home values run above average at $614,300, with typical rent around $2,207.
Educational attainment is on the higher side for US cities — 51.7% of adults hold a four-year degree, above the national 35.0%. Remote work is on the higher side at 16.8%, above the national 14.0%, and the average commute runs about 28 minutes each way.
Stamford city Population History (2010-2024)
The city of Stamford city had a population of 122,781 in 2010 and 139,134 in 2024, a 13.3% growth over 14 years. The peak was 139,134 in 2024. Average annual growth rate: 0.90%.
139,134
Population (2024)
122,781
Population (2010)
139,134
Peak (2024)
0.90%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 122,781 |
| 2011 | 123,988 |
| 2012 | 125,046 |
| 2013 | 126,306 |
| 2014 | 127,951 |
| 2015 | 128,352 |
| 2016 | 128,974 |
| 2017 | 129,880 |
| 2018 | 129,806 |
| 2019 | 129,638 |
| 2020 | 135,474 |
| 2021 | 136,837 |
| 2022 | 136,721 |
| 2023 | 137,578 |
| 2024 | 139,134 |
Race & Ethnicity
| White | 49.1% |
| Black or African American | 19.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.0% |
Economy & Income
$107,474
Median Household Income
$64,382
Per Capita Income
6.4%
Poverty Rate
3.5%
Unemployment Rate
Housing
$614,300
Median Home Value
$2,207
Median Rent
47.6%
Owner-Occupied
Education
88.4%
High School+
51.7%
Bachelor's+
Commute
9.6%
Drive Alone
59.1%
Public Transit
16.8%
Work From Home
27.9 min
Avg Commute
Community Profile
30.0%
Foreign Born
58.7%
Non-English at Home
2.2%
Veterans
10.2%
With Disability
90.8%
Health Insurance
95.7%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 21.9% |
| Finance, Insurance & Real Estate | 18.4% |
| Information | 11.8% |
| Manufacturing | 7.3% |
| Education, Health Care & Social Services | 7.1% |
| Construction | 6.1% |
| Arts, Entertainment & Food Services | 5.7% |
| Retail Trade | 4.0% |
| Transportation & Warehousing | 3.5% |
| Public Administration | 1.9% |
| Agriculture & Mining | 0.2% |
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Frequently Asked Questions
Stamford, Connecticut has a population of 135,806 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 2nd-largest city in Connecticut.
The median household income in Stamford, Connecticut is $107,474, with 6.4% of residents living below the federal poverty level.
The median home value in Stamford, Connecticut is $614,300, with median monthly rent at $2,207 and a homeownership rate of 47.6%.
The median age in Stamford, Connecticut is 38.2 years. The population is 48.7% male and 51.3% female.
The population has grown 13.3% since 2010 (122,781 → 139,134).
Stamford city, CT Climate
Stamford city, CT has an average annual temperature of 11.1°C (52°F) and receives about 1215 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
11.1°C
Avg Temp
1215
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -2° / 29° | 96 mm |
| February | 0° / 31° | 80 mm |
| March | 4° / 40° | 109 mm |
| April | 10° / 49° | 109 mm |
| May | 15° / 60° | 113 mm |
| June | 20° / 69° | 95 mm |
| July | 24° / 74° | 97 mm |
| August | 23° / 73° | 105 mm |
| September | 19° / 65° | 105 mm |
| October | 12° / 54° | 99 mm |
| November | 7° / 45° | 107 mm |
| December | 2° / 35° | 100 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Stamford city, CT
The most comfortable months to visit Stamford city, CT are typically June, August and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -6°C low). May is usually the wettest month.
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Population, race, income, age, and trends across Connecticut
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.