Stamford, CT

City in CT, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

137,144

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

38.4

years ∙ half population younger than 38.4, half older

Diversity Index

69.6%

chance two random people differ in race and ethnicity

Nativity

31.3%

foreign-born population

68.7%Native

31.3% Foreign-born

Geographic Context

Location, size, and surroundings

About

Stamford is a city in Connecticut, United States.

Location

City in CT, US

Co-ordinates

DEC41.079611° N, 73.546080° W

DMS41° 04′ 46.60″ N, 73° 32′ 45.89″ W

Population Density & area

3,647/sq mi (1,407/km²)

Total Area

52 sq mi (134.8 km²)

Land Area

37.6 sq mi (97.5 km²) · 72.3%

Water Area

14.4 sq mi (37.3 km²) · 27.7%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

48.3% male

Male 48.3%

Female 51.7%

males per 100 females

Stamford 93.5

Connecticut 96.3

United States 98

Nativity

31.3%

foreign-born population

68.7%Native

31.3% Foreign-born

% Foreign-born

Stamford 31.3%

Connecticut 15.7%

United States 14.1%

Age Distribution

How the population is spread across age groups

Median Age

38.4

years ∙ half population younger than 38.4, half older

Stamford

38.4

Connecticut

41.1

United States

38.9

Dependency ratio

52.9

dependents per 100 working-age adults

Stamford 52.9

Connecticut 63.1

United States 64.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Stamford	Connecticut	United States
Age Group
Children (Under 18)	18.4%	20.2%	22%
Working age (18-64)	65.4%	61.3%	60.8%
Senior (65+)	16.2%	18.5%	17.2%
Dependency ratio
Total dependency ratio	52.9	63.1	64.4
Child dependency ratio	28.1	32.9	36.1
Old-age dependency ratio	24.7	30.2	28.3

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

43.2%

Black

17.7%

Asian

7.3%

Hispanic

28.3%

Other

3.5%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

69.6%

chance two random people differ in race and ethnicity

Stamford 69.6%

Connecticut 57%

United States 61.4%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Stamford population

Racial and ethnic composition — Stamford vs Connecticut vs United States. Source: ACS 2020-2024 5-Year Estimates.
	Stamford	Connecticut	United States
Hispanic or Latino	28.3%	18.3%	19.3%
Mexican	2.4%	1.8%	11.3%
Puerto Rican	3.8%	8.1%	1.8%
Cuban	0.5%	0.4%	0.8%
Other Hispanic / Latino	21.6%	8%	5.5%
Not Hispanic or Latino	71.7%	81.7%	80.7%
One race	68.9%	77.4%	76.4%
White	43.2%	61.9%	57.4%
Black or African American	17.7%	9.8%	11.9%
American Indian and Alaska Native	0.1%	0.1%	0.5%
Asian	7.3%	4.7%	5.9%
Native Hawaiian and Other Pacific Islander	0%	0%	0.2%
Some Other Race	0.6%	0.9%	0.6%
Two or more races (Multiracial)	2.8%	4.3%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

59% family

Family 59%

Non family 41%

% family households

Stamford 59%

Connecticut 64.3%

United States 64.2%

Average household size

2.45

persons per household

Stamford

2.45

Connecticut

2.46

United States

2.53

Household & Family COMPOSITION

Households

Percentage of Stamford population

	Stamford	Connecticut	United States
Total households	55,291	1,434,007	129,227,496
Average houshold size	2.45	2.46	2.53
Family households	32,611	921,388	82,990,528
Average family size	3.14	3.05	3.14
Married couple family	23,332	668,528	60,637,388
Other families	9,279	252,860	22,353,140
Male householder	2,503	71,139	6,572,819
Female householder	6,776	181,721	15,780,321
Non-family households	22,680	512,619	46,236,968
One-person households	17,643	416,723	37,140,836
Male householder	7,352	177,260	16,871,444
Senior (65+) living alone	1,631	61,864	5,225,110
Female householder	10,291	239,463	20,269,392
Senior (65+) living alone	4,399	126,419	10,089,070
Other living arrangements	5,037	95,896	9,096,132

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

58,655

housing units

Stamford 58,655

Connecticut 1,541,822

United States 143,775,355

Occupancy status

94.3% occupied

Occupied 94.3%

Vacant 5.7%

vacancy rate

Stamford 5.7%

Connecticut 7%

United States 10.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

41.6%

Single family houses

41.6%

Apartments in multi-unit structures

58.3%

Mobile homes

0.1%

Boat, RV, van, etc

0.1%

Median Year Built

1973

Half of houses were built before 1973, and half after.

Historic ∙ 1939 or earlier

14%

Postwar & mid-century ∙ 1940 - 1969

32.4%

Late 20th century ∙ 1970 - 1999

31.8%

Modern ∙ 2000 or later

21.7%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Stamford	Connecticut	United States
Rooms per unit
Median rooms	4.6	5.6	5.5
1–3 rooms	29.5%	14.9%	15.1%
4–6 rooms	45.6%	50.2%	51.6%
7+ rooms	25%	34.9%	33.4%
Bedrooms
No bedroom / studio	5.9%	2.8%	2.9%
1 bedroom	21%	12.7%	10.9%
2 bedrooms	31%	26.5%	25%
3 bedrooms	23.8%	35.9%	38.7%
4+ bedrooms	18.4%	22.1%	22.4%
At a glance
Median year built	1973	1968	1981
Total housing units	58,655	1,541,822	143,775,355

Occupancy Profile

Who is inside and how they use it

Homeownership

48.8% owners

Renter-occupied 51.2%

Owner-occupied 48.8%

homeownership rate

Stamford 48.8%

Connecticut 66.5%

United States 65.2%

Average household size

2.61

Owner-occupied

2.3

Renter-occupied

owner-occupied average size

Stamford 2.61

Connecticut 2.62

United States 2.64

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Stamford	Connecticut	United States
Total occupied units	55,291	1,434,007	129,227,496
Year moved in
2020 or later	32.1%	21.8%	24.8%
2010 to 2019	36.9%	37.7%	39.6%
2000 to 2009	15.7%	17.4%	16.4%
1999 or earlier	15.2%	23.1%	19.1%
Occupants per room
1.00 or fewer	95%	97.9%	96.6%
1.01 to 1.50	3%	1.4%	2.2%
1.51 or more	2%	0.7%	1.2%
Vehicles availability
No vehicles	9.4%	8.8%	8.4%
1 vehicle	43.4%	33.4%	33.1%
2 vehicles	33%	37.2%	36.6%
3 or more vehicles	14.3%	20.7%	21.9%
House heating fuel used
Gas	45.9%	42.1%	51.4%
Electricity	33.4%	18.4%	41.3%
Solar	0.1%	0.2%	0.3%
Fuel oil, kerosene etc	18.4%	36.3%	3.9%
All other fuels	1.3%	2.4%	2%
No fuel used	0.9%	0.5%	1.2%
Selected characteristics
Lacking complete plumbing	0.2%	0.4%	0.4%
Lacking complete kitchen	0.6%	0.7%	0.8%
No telephone service available	0.7%	0.8%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$624,400

owner-occupied units

Median value(USD)

Stamford

$624,400

Connecticut

$366,900

United States

$332,700

Housing Cost Burden

38.5%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

38.5%

Owners without a mortgage

25.5%

Renters

52.8%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Stamford	Connecticut	United States
Property value
Median Value	$624,400	$366,900	$332,700
Under $100,000	1.4%	3.9%	11.4%
$100,000 - $200,000	2.7%	10.2%	15.8%
$200,000 - $300,000	7.7%	21.5%	17.8%
$300,000 - $500,000	22.4%	36.8%	26.9%
$500,000 - $1,000,000	51.4%	20.8%	20.9%
$1,000,000 and more	14.5%	6.8%	7.1%
Owner-occupied households
With a mortgage	66.4%	64.6%	60.6%
Without a mortgage	33.6%	35.4%	39.4%
Median monthly owner costs
With a mortgage	$3,460	$2,429	$1,963
Without a mortgage	$1,450	$1,071	$638
Gross rent
Median rent	$2,276	$1,488	$1,413

Education Profile

How educated is the community and how education pays off

Adults with a college degree

51.7%

of adults 25+ with a bachelor's degree or higher

Stamford 51.7%

Connecticut 42.5%

United States 35.7%

Adults without a high school diploma

11.2%

of adults (25+) without a high school diploma

Stamford 11.2%

Connecticut 8.5%

United States 10.4%

School Enrollment

Who is enrolled in school and at what level

School enrollment

28,995

population (age 3+) enrolled in school

Nursery / Preschool

6.4%

K–12

61.6%

College / Undergraduate

22.1%

Graduate / Professional

9.9%

College-going rate (18-24 yr olds)

39.5%

of 18-24-year-olds in college or graduate school

Stamford

39.5%

Connecticut

48%

United States

40.9%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Stamford	Connecticut	United States
Total enrolled (age 3+)	28,995	865,814	80,089,790
Nursery / preschool	6.4%	5.9%	5.7%
K–12	61.6%	64.2%	67.6%
Kindergarten	5.5%	4.4%	5%
Elementary: Grades 1–4	17.5%	17.9%	19.8%
Elementary: Grades 5–8	17.6%	19.7%	21%
High School: Grades 9–12	21%	22.3%	21.7%
College or graduate school	32%	29.9%	26.7%
College, undergraduate	22.1%	22.6%	21%
Graduate, professional school	9.9%	7.3%	5.8%
College-going rate · 18-24 yr olds	39.5%	48%	40.9%
School type
Public school	72.6%	79.6%	82%
Private school	27.4%	20.4%	18%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

98,962

population 25 years and over

Total adults (25+)

Less than 9th grade

6.4%

9th-12th, no diploma

4.8%

HS graduate

17.9%

Some college no degree

13.6%

Associates degree

5.6%

Bachelors degree

29.5%

Graduate or professional degree

22.2%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

43.2% · 56.8%

9th-12th, no diploma

63.5% · 36.5%

HS graduate

46.9% · 53.1%

Some college no degree

52.9% · 47.1%

Associates degree

37.7% · 62.3%

Bachelors degree

46.7% · 53.3%

Graduate or professional degree

47% · 53%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Stamford	Connecticut	United States
Population (25+)	98,962	2,554,584	230,807,303
Less than 9th grade	6.4%	4%	4.7%
9th–12th, no diploma	4.8%	4.5%	5.7%
High school diploma or GED	17.9%	25.3%	26%
Some college, no degree	13.6%	16.1%	19.1%
Associate's degree	5.6%	7.6%	8.8%
Bachelor's degree or higher	51.7%	42.5%	35.7%
Bachelor's degree	29.5%	23.3%	21.6%
Graduate or professional	22.2%	19.2%	14.1%
High School or higher	88.8%	91.5%	89.6%

Earnings by education level

percentage as applicable

Median Earnings

$65,945

Median earnings for adults 25+, by level

Less than HS graduate

$33,215

HS graduate

$39,155

Some college or associates

$47,468

Bachelors degree

$84,876

Graduate or professional degree

$111,434

Poverty Rate

3.6%

for ages 25+, with bachelors degree or higher

Less than HS graduate

23.9%

HS graduate

12.8%

Some college or associates

10%

Bachelors degree or higher

3.6%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Stamford	Connecticut	United States
Median earnings
Population 25+, with earnings	$65,945	$61,786	$52,696
Less than high school graduate	$33,215	$34,099	$32,485
High school graduate (includes equivalency)	$39,155	$44,726	$40,153
Some college or associate's degree	$47,468	$51,238	$47,260
Bachelor's degree	$84,876	$79,601	$70,044
Graduate or professional degree	$111,434	$99,061	$90,720
Poverty rates
Less than high school graduate	23.9%	24.8%	24.2%
High school graduate (includes equivalency)	12.8%	12.5%	14.4%
Some college or associate's degree	10%	8.6%	9.8%
Bachelor's degree or higher	3.6%	3.5%	4.5%

Insights for Stamford, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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