Darien, Connecticut Population 2021

21,742
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Darien is a city located in Fairfield County Connecticut. Darien has a 2020 population of 21,742. Darien is currently declining at a rate of 0.00% annually and its population has increased by 4.87% since the most recent census, which recorded a population of 20,732 in 2010. Darien reached it's highest population of 21,759 in 2018.

The average household income in Darien is $365,528 with a poverty rate of 4.02%. The median rental costs in recent years comes to $2,469 per month, and the median house value is $1.47 Mn. The median age in Darien is 40.1 years, 38.6 years for males, and 41.3 years for females.

Darien Demographics

According to the most recent ACS, the racial composition of Darien was:

  • White: 91.04%
  • Asian: 5.58%
  • Two or more races: 2.12%
  • Black or African American: 0.86%
  • Other race: 0.33%
  • Native Hawaiian or Pacific Islander: 0.06%
  • Native American: 0.00%
The current population of Darien, Connecticut is 21,742 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 21,759.The last official US Census in 2010 recorded the population at 20,732.

Darien, Connecticut Population 2021

Population by Race

Race Population Percentage
White19,79591.04%
Asian1,2145.58%
Two or More Races4622.12%
Black or African American1870.86%
Some Other Race720.33%
Native Hawaiian and Other Pacific Islander120.06%
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Darien Population by Race

Darien Population Pyramid $2021

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Darien Median Age

40.1


Total

38.6


Male

41.3


Female

Darien Adults

There are 14,403 adults, (2,585 of whom are seniors) in Darien.

Darien Age Dependency

84

Age Dependency Ratio

21.9

Old Age Dependency Ratio

62.1

Child Dependency Ratio

Darien Sex Ratio

Female

11,010

50.64%

Male

10,732

49.36%

Darien Population by Age

Darien Renter vs Owner Occupied by Household Type

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Darien Household Types

Type Owner Renter
Married92.7%7.3%
All86.6%13.4%
Male71.5%28.5%
Female70.5%29.5%
Non Family68%32%

86.6%

Rate of Home Ownership

Darien Households and Families

Type Count Average Size Owned
All6,8953.1586.6
Married5,1273.6392.7
Non Family1,1831.0568
Female4413.1270.5
Male1443.0671.5

3.55

Average Family Size

3.15

Average Household Size

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Darien Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1290.99%
9th to 12th Grade1931.48%
High School Graduate7345.63%
Some College8166.25%
Associates Degree3612.77%
Bachelors Degree6,21547.64%
Graduate Degree4,59935.25%
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Darien Educational Attainment by Sex (over 25)

Darien Educational Attainment by Race

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Race Total High School Bachelors
White11,54611,3739,806
Asian777727590
Hispanic468372272
2+ Races14813470
Black12911168
Other Race575750
Islander12

The highest rate of high school graduation is among other race people with a rate of 100.00%.

The highest rate of bachelors degrees is among other race people with a rate of 87.72%.

Darien Educational Attainment by Race

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Name Average Male Female
Overall$121,769$221,667$63,912
Less Than 9th Grade$$$
High School Graduate$50,455$50,852$
Some College$46,563$82,031$38,375
Bachelors Degree$136,300$250,000$76,117
Graduate Degree$181,506$250,000$72,303

$121,769

Average Earnings

$221,667

Average Male

$63,912

Average Female

Darien Earnings by Educational Attainment

Darien Language by Age

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Darien Language

85.65% of Darien residents speak only English, while 14.35% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 7.97% of the population.

Darien Language

Darien Poverty by Race

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Name Total In Poverty Poverty Rate
White19,0576583.45%
Multiple46210823.38%
Asian1,214705.77%
Hispanic897151.67%
Other721520.83%
Black18784.28%

4.02%

Overall Poverty Rate

2.92%

Male Poverty Rate

5.09%

Female Poverty Rate

Poverty in Darien

The race most likely to be in poverty in Darien is Multiple, with 23.38% below the poverty level.

The race least likely to be in poverty in Darien is Hispanic, with 1.67% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.62%. Among those working part-time, it was 8.93%, and for those that did not work, the poverty rate was 6.93%.

Darien Poverty

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Name Poverty
High School11.44%
Some College10.62%
Bachelors or Greater2.56%
Less Than 9th Grade0.62%

Darien Poverty Rate by Education

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Rate Poverty
Male Unemployed22.52%
Female Employed4.67%
Female Unemployed3.28%
Male Employed1.86%

Darien Poverty Rate by Employment Status and Sex

Darien Income by Household Type

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Name Median Mean
Households$232,523$365,528
Families$250,000$417,342
Married Families$250,000-
Non Families$56,766$111,858
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Income by Household Type

Darien Marital Status

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Marriage Rates

66.2%

Overall Marriage Rate

67.9%

Male Marriage Rate

64.6%

Female Marriage Rate

Darien Married by Age and Sex

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Darien Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 45-54.

Darien Marital Status by Race

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Darien Marital Status

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635

Number of Veterans

616

Male Veterans

19

Female Veterans

War Veterans
Vietnam238
First Gulf War111
Second Gulf War95
Korea91
World War II64

Darien Veterans by War

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Age Group Veterans
75+258
65 to 74193
35 to 5499
55 to 6476
18 to 349

Darien Veterans by Age

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Name Veterans % of Total
White6354.81%
Hispanic122.02%

Darien Veterans by Race

Darien Veterans by Education

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1.42%

Veteran Poverty Rate

20.16%

Veteran Disability Rate

Darien Veterans by Education

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62.3%

Labor Force Participation

59.3%

Employment Rate

4.9%

Unemployment Rate

Darien Employment by Age

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Darien Employment by Race

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Darien Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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34.05%

Born in Darien

88.19%

Native Born

11.81%

Foreign Born

4.39%

Non Citizen

7.42%

Naturalized

Place of Birth

88.19% of Darien residents were born in the United States, with 34.05% having been born in Connecticut. 4.39% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Darien Place of Birth

Year Population Growth Annual Growth Rate
202121,7420.00%
202021,7420.00%
201921,742-17-0.08%
201821,759170.08%
201721,7422231.04%
201621,5191270.59%
201521,3922020.95%
201421,1902651.27%
201320,9251670.80%
201220,7581780.86%
201120,580-152-0.73%
201020,7320.00%

Darien Population by Year