Connecticut Population 2020

3,563,080
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This figure is based on the 2015 official estimates released by the US Census, and the current rate of decline.

The last confirmed population data for Connecticut was recorded during the 2010 Census, which revealed that the state had a total population of 3,574,097. The latest Census Bureau estimate took that number to 3,590,886, which makes Connecticut the 29th largest state in the United States.

Over the past couple of years, Connecticut has actually begun to see a decline in population numbers, currently losing .11% of its population per year. This makes the state one of just 7 that are seeing a decline beginning in 2016.

Connecticut Population Density and Area

The population density of Connecticut makes for some very interesting reading. Connecticut has a very small land mass -- just 5,543 square miles (14,357 square kilometers) making this only the 48th largest state in the Union by size.

However, Connecticut crams a significant number of citizens into its surface area. The terrain is very flat, and very few areas of the state are inhospitable. As a result, there are an impressive 738.1 people for every square mile (285 per square kilometer), and this ranks Connecticut at 4th place in terms of population density.

The largest city in Connecticut is Bridgeport, with a population of 143,628 people. The largest county in the state by population is Fairfield, with a population of 949,921. See below for interactive graphs and charts for more information on the projected growth in these areas.

Connecticut Gender and Religion Statistics

The median age in Connecticut is 40.6 years, and carries a small gender gap of 51.2% female and 48.8% male individuals in the total state population.

In terms of religious diversity the state shows a strong preference for Christianity, sitting at 70%, with 7% non-Christian affiliations, and the remaining 28% of the population reporting that they are without a particular faith.

Connecticut Boundary, Census, and Statehood History

Connecticut was one of the 13 original States created in the Union. Additionally, apart from claims to territory in the West, which were relinquished by 1800, its boundaries have remained substantially unchanged; small cessions to Massachusetts were made shortly after 1800. Census coverage included all of Connecticut from 1790 on.

Connecticut Demographics

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

  • White: 76.36%
  • Black or African American: 10.56%
  • Other race: 5.17%
  • Asian: 4.43%
  • Two or more races: 3.17%
  • Native American: 0.27%
  • Native Hawaiian or Pacific Islander: 0.03%

Connecticut Population History

Because of its location on the East Coast, many of the early settlers would have set up home in Connecticut - something that is clear from the early population figures.

In 1790, the population of Connecticut was recorded as 237,946, which ranked it 8th among the 16 states recorded in the 1790 census.

From this point, the population within the state grew but at a slower rate than in many other parts of the country. By 1800, the numbers had grown by just 5.5% to 251,002, and similar rises were recorded throughout the first half of the 19th century.

In the latter half of the 1800s, however, numbers were on the rise by significant margins and increases of 20% on a census by census basis were common. By 1900, the Connecticut population exceeded one million for the first time.

The greatest decade of growth for Connecticut was the 1960s, where the population grew at 2.36% annually. This pushed the state over 3 million by 1970. Since 1970, the state's population has continued to grow at a fairly steady rate, to the nearly 3.6 million estimated today.

Connecticut Population Growth

In 2005, natural growth figures were released and they showed that in the five years since the previous census in 2000, there was an increase in numbers of 67,427. This was calculated based on 222,222 births in the five year period minus 154,795 deaths and a net migration figure of 41,718.

Connecticut Population Projections

Predictions about the future of Connecticut are varied. The last official figure from the 2010 Census and estimates from July 2015 show a 0.5% growth rate. If Connecticut continues to grow these rates, it is estimated that the population will exceed 3.7 million in 2020, and approach 3.75 million by 2025.

On the other hand, others are predicting a continuation of the decline since 2014. The decline is mostly driven by domestic out-migration to New York and Massachusetts, with reasons ranging from high taxes to challenging winters and a worsening real estate market.

According to 2004 data, over 11% of the state's population were foreign-born. Irish American, English American, and Italian American communities are quite large in the state of Connecticut. In fact, its population of Italian Americans is the second highest in the country. The state also has a large population of Hungarian Americans and Polish Americans.

Recent immigrants to the state have come over from Jamaica, Guatemala, Laos, Vietnam, Brazil, Panama and other countries around the world. While the state's highest demographic is non-Hispanic white, this number has declined significantly from the 98% recorded in 1940 as the state becomes more diverse.

Connecticut also has a high percentage of Hispanic and Latino residents, and it has the largest population of Puerto Ricans in the nation. Data from 2011 indicates that over 46% of Connecticut's population under the age of 1 were minorities. The urban areas of Connecticut are primarily where African American and Hispanic residents live.

Connecticut Growth Rate

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Connecticut Population Rank

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Connecticut Population 2020

  • Connecticut was the state that implemented the first speed limit. This occurred in 1901, and the limit was 12 miles per hour.
  • An average of 2,400 hours -- or about 100 days -- of sunshine occurs in Connecticut every year.
  • Connecticut had two state capitals -- New Haven and Hartford -- from 1703 to 1875. Today, Hartford is the only state capital.
  • The first State House in the US was built in Connecticut in 1788.
  • Connecticut's Yale University issued the first medical diploma in 1729.
  • Connecticut opened the first public art museum, which was established in 1842.
  • The Hartford Courant is the oldest newspaper published in the country.
  • Former President George W. Bush was born in New Haven, and he holds the distinction of being the only US President born in the state of Connecticut.
  • New Haven was incorporated as a city in 1784.
  • Burlington was first inhabited by the Tunxis Tribe and was used as hunting grounds according to local legends.

Fairfield County

  • Population944,555
  • Density1511.36 per sq km
  • Growth Since 20102.74%
  • State Population Rank1
  • % of State26.46%

Connecticut only has eight counties, so it is quite easy to analyze exactly how much growth has increased or decreased across the state. From the time of the 2010 Census and estimated taken in 2015, it is shown that just two counties in the state have posted increases in their populations. Fairfield County, with 3.08% growth, saw the highest increase in population. This was trailed by a significant amount in Hartford County, which saw just 0.04% growth.

The remaining six counties posted declines in population during the same 5-year period. The northwestern county of Litchfield saw the largest drop of 3.25%. Tolland County and Windham County in the northeastern region of the state, posted declines of 1.17% and 1.7%, respectively. While the remaining counties saw declines that were less than 1%.

Fairfield County

  • Population944,555
  • Density1511.36 per sq km
  • Growth Since 20102.74%
  • State Population Rank1
  • % of State26.46%

Population by Race

Race Population Percentage
White2,734,88476.36%
Black or African American378,26210.56%
Some Other Race185,2445.17%
Asian158,8174.43%
Two or More Races113,4303.17%
American Indian and Alaska Native9,6980.27%
Native Hawaiian and Other Pacific Islander1,1730.03%
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Connecticut Population Pyramid 2020

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Connecticut Median Age

40.8


Total

39.1


Male

42.6


Female

Connecticut Adults

There are 2,828,880 adults, (587,580 of whom are seniors) in Connecticut.

Connecticut Age Dependency

59.8

Age Dependency Ratio

26.2

Old Age Dependency Ratio

33.6

Child Dependency Ratio

Connecticut Sex Ratio

Female

1,834,370

51.22%

Male

1,747,130

48.78%

Connecticut Households and Families

Connecticut Renter vs Owner Occupied by Household Type

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Connecticut Household Types

Type Owner Renter
Married84%16%
All66.3%33.7%
Male56.9%43.1%
Non Family50.6%49.4%
Female45.3%54.7%

66.3%

Rate of Home Ownership

Type Count Average Size Owned
All1,367,3702.5466.3
Married660,3643.284
Non Family474,4341.2550.6
Female170,8183.345.3
Male61,7583.2456.9

3.14

Average Family Size

2.54

Average Household Size

5.7%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

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Connecticut Education

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Education Attained Count Percentage
Less Than 9th Grade101,0684.08%
9th to 12th Grade134,7585.44%
High School Graduate670,51927.05%
Some College416,26716.79%
Associates Degree190,8697.70%
Bachelors Degree538,92421.74%
Graduate Degree426,30317.20%
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Connecticut Educational Attainment by Race

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Name Total High School Bachelors
White1,784,7501,682,150777,290
Hispanic317,768229,16854,544
Black240,862208,59251,334
Other Race110,94672,85012,675
Asian108,68497,49171,341
Multiple Races42,88937,58413,295
Native American6,3925,0851,082
Islander756671234

The highest rate of high school graduation is among white people with a rate of 94.25%.

The highest rate of bachelors degrees is among asian people with a rate of 65.64%.

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Name Average Male Female
Overall$49,557$57,550$40,967
Less Than High School$25,101$29,215$19,955
High School Grad$35,925$42,667$28,918
Some College$42,286$51,809$36,044
Bachelors Degree$64,110$78,938$52,209
Graduate Degree$82,813$103,717$69,570

$49,557

Average Earnings

$57,550

Average Male

$40,967

Average Female

Connecticut Language

Connecticut Language by Age

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Connecticut Language

77.83% of Connecticut residents speak only English, while 22.17% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 11.78% of the population.

Connecticut Poverty

Connecticut Poverty by Race

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Name Total In Poverty Poverty Rate
White2,350,530139,4675.93%
Hispanic548,176124,48322.71%
Black361,17466,72218.47%
Other179,08546,87626.18%
Multiple108,62417,67516.27%
Asian153,94712,0067.80%
Native9,2481,57016.98%
Islander1,12029426.25%

10.03%

Overall Poverty Rate

9.02%

Male Poverty Rate

10.98%

Female Poverty Rate

Poverty in Connecticut

The race most likely to be in poverty in Connecticut is Islander, with 26.25% below the poverty level.

The race least likely to be in poverty in Connecticut is White, with 5.93% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.14%. Among those working part-time, it was 11.92%, and for those that did not work, the poverty rate was 18.25%.

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Name Poverty
Less Than High School23.95%
High School10.96%
Some College7.58%
Bachelors or Greater3.43%
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Name Poverty
Female Unemployed30.84%
Male Unemployed22.37%
Female Employed5.06%
Male Employed3.56%

Connecticut Income

Connecticut Income by Household Type

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Name Median Mean
Households$76,106$109,693
Families$97,310$132,796
Married Families$116,972$156,300
Non Families$43,213$62,336
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Connecticut Marital Status

Connecticut Marital Status

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Marriage Rates

47.7%

Overall Marriage Rate

49.9%

Male Marriage Rate

45.7%

Female Marriage Rate

Connecticut Married by Age and Sex

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Connecticut Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Connecticut Marital Status by Race

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Connecticut Veterans

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173,998

Number of Veterans

162,802

Male Veterans

11,196

Female Veterans

War Veterans
Vietnam62,524
First Gulf War23,337
Second Gulf War22,923
Korea20,418
World War II12,363
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Age Group Veterans
75+53,840
65 to 7448,688
35 to 5431,688
55 to 6427,801
18 to 3411,981
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Name Veterans % of Total
White155,0467.01%
Black12,2504.30%
Hispanic10,5772.75%
Other2,4941.88%
2 or More2,2843.95%
Asian1,1490.92%
Indian6749.30%
Hawaiian10111.22%

Connecticut Veterans by Education

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4.90%

Veteran Poverty Rate

26.41%

Veteran Disability Rate

Connecticut Employment Status

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66.5%

Labor Force Participation

61.9%

Employment Rate

6.5%

Unemployment Rate

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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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54.96%

Born in Connecticut

85.66%

Native Born

14.34%

Foreign Born

7.00%

Non Citizen

7.34%

Naturalized

Place of Birth

85.66% of Connecticut residents were born in the United States, with 54.96% having been born in Connecticut. 7.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.