Middlesex County, Connecticut Population 2022

Middlesex County, Connecticut's estimated population is 161,134 with a growth rate of -0.27% in the past year according to the most recent United States census data. Middlesex County, Connecticut is the 7th largest county in Connecticut. The 2010 Population was 165,616 and has seen a growth of -2.71% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
179018,8550.00%
180019,8479925.26%
181020,7238764.41%
182022,4051,6828.12%
183024,8442,43910.89%
184024,879350.14%
185027,2162,3379.39%
186030,8593,64313.39%
187036,0995,24016.98%
188035,589-510-1.41%
189039,5243,93511.06%
190041,7602,2365.66%
191045,6373,8779.28%
192047,5501,9134.19%
193051,3883,8388.07%
194055,9994,6118.97%
195067,33211,33320.24%
196088,86521,53331.98%
1970114,81625,95129.20%
1980129,01714,20112.37%
1990143,19614,17910.99%
2010165,61622,42015.66%
2011166,1745580.34%
2012165,634-540-0.32%
2013165,329-305-0.18%
2014164,786-543-0.33%
2015163,724-1,062-0.64%
2016163,292-432-0.26%
2017162,942-350-0.21%
2018162,870-72-0.04%
2019162,436-434-0.27%
2020162,002-434-0.27%
2021161,568-434-0.27%
2022161,134-434-0.27%
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Middlesex County, Connecticut Population Growth

Population by Race

Race Population Percentage
White141,33486.85%
Black or African American8,9725.51%
American Indian and Alaska Native4330.27%
Asian5,1983.19%
Native Hawaiian and Other Pacific Islander90.01%
Some Other Race1,5960.98%
Two or More Races5,2003.20%
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Middlesex County, Connecticut Population by Race

Middlesex County, Connecticut Population Pyramid 2022

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Middlesex County, Connecticut Median Age

45.8


Total

43.9


Male

47.4


Female

Middlesex County, Connecticut Adults

There are 134,000 adults, (33,127 of whom are seniors) in Middlesex County, Connecticut.

Middlesex County, Connecticut Age Dependency

Age Dependency Ratio

32.8

Old Age Dependency Ratio

28.5

Child Dependency Ratio

Middlesex County, Connecticut Sex Ratio

Female

83,255

51.16%

Male

79,487

48.84%

Middlesex County, Connecticut Population by Age

Middlesex County, Connecticut Renter vs Owner Occupied by Household Type

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Middlesex County, Connecticut Household Types

Type Owner Renter
Married89.3%10.7%
All73.5%26.5%
Male72.3%27.7%
Female57.5%42.5%
Non Family56.4%43.6%

73.5%

Rate of Home Ownership

Middlesex County, Connecticut Households and Families

Type Count Average Size Owned
All67,7652.3173.5
Married33,8472.9189.3
Male2,4752.9172.3
Female6,5363.157.5
Non Family24,9071.2556.4

2.87

Average Family Size

2.31

Average Household Size

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Middlesex County, Connecticut Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,2771.90%
9th to 12th Grade4,0633.39%
High School Graduate29,87524.95%
Some College21,24317.74%
Associates Degree11,1369.30%
Bachelors Degree28,97524.20%
Graduate Degree22,17018.52%
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Middlesex County, Connecticut Educational Attainment by Sex (over 25)

Middlesex County, Connecticut Educational Attainment by Race

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Race Total High School Bachelors
Asian3,4243,2152,143
White102,86698,48544,791
2+ Races2,7332,3361,052
Black6,0215,3141,669
Hispanic6,0584,9011,497
Other Race1,073870208
Native American24723533

The highest rate of high school graduation is among white people with a rate of 95.74%.

The highest rate of bachelors degrees is among asian people with a rate of 62.59%.

Middlesex County, Connecticut Educational Attainment by Race

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Name Average Male Female
Overall$56,205$64,930$47,707
Less Than 9th Grade$26,834$27,571$13,625
High School Graduate$40,707$50,747$30,728
Some College$47,848$59,147$38,604
Bachelors Degree$68,069$77,426$55,579
Graduate Degree$84,511$98,294$76,122

$56,205

Average Earnings

$64,930

Average Male

$47,707

Average Female

Middlesex County, Connecticut Earnings by Educational Attainment

Middlesex County, Connecticut Language by Age

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Middlesex County, Connecticut Language

89.88% of Middlesex County, Connecticut residents speak only English, while 10.12% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 4.48% of the population.

Middlesex County, Connecticut Language

Middlesex County, Connecticut Poverty by Race

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Name Total In Poverty Poverty Rate
Islander99100.00%
Native43224957.64%
Hispanic10,0151,85618.53%
Black8,4631,36916.18%
Multiple5,00551410.27%
Asian4,5824128.99%
White131,6957,1675.44%
Other444NaN%

7.07%

Overall Poverty Rate

6.15%

Male Poverty Rate

7.94%

Female Poverty Rate

Poverty in Middlesex County, Connecticut

The race most likely to be in poverty in Middlesex County, Connecticut is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Middlesex County, Connecticut is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.05%. Among those working part-time, it was 8.89%, and for those that did not work, the poverty rate was 14.06%.

Middlesex County, Connecticut Poverty

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Name Poverty
Less Than 9th Grade19.96%
High School9.88%
Some College6.84%
Bachelors or Greater2.64%

Middlesex County, Connecticut Poverty Rate by Education

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Rate Poverty
Male Employed2.56%
Male Unemployed15.87%
Female Employed3.74%
Female Unemployed19.45%

Middlesex County, Connecticut Poverty Rate by Employment Status and Sex

Middlesex County, Connecticut Income by Household Type

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Name Median Mean
Households$84,907$110,802
Families$111,117$136,431
Married Families$126,983$151,953
Non Families$48,183$62,279
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Income by Household Type

Middlesex County, Connecticut Marital Status

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Marriage Rates

50.9%

Overall Marriage Rate

53.0%

Male Marriage Rate

49.0%

Female Marriage Rate

Middlesex County, Connecticut Married by Age and Sex

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Middlesex County, Connecticut Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Middlesex County, Connecticut Marital Status by Race

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Middlesex County, Connecticut Marital Status

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9,197

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War1,521
First Gulf War1,528
Vietnam3,529
Korea986
World War II394

Middlesex County, Connecticut Veterans by War

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Age Group Veterans
18 to 34754
35 to 541,512
55 to 641,585
65 to 742,543
75+2,803

Middlesex County, Connecticut Veterans by Age

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Name Veterans % of Total
White8,5487.27%
Black4656.64%
Native American185.36%
Asian571.34%
Other Race171.38%
2+ Races922.70%
Hispanic2643.62%

Middlesex County, Connecticut Veterans by Race

Middlesex County, Connecticut Veterans by Education

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6.39%

Veteran Poverty Rate

23.44%

Veteran Disability Rate

Middlesex County, Connecticut Veterans by Education

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66.3%

Labor Force Participation

63.3%

Employment Rate

4.3%

Unemployment Rate

Middlesex County, Connecticut Employment by Age

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Middlesex County, Connecticut Employment by Race

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Middlesex County, Connecticut 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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64.07%

Born in Middlesex County, Connecticut

92.18%

Native Born

7.82%

Foreign Born

3.01%

Non Citizen

4.80%

Naturalized

Place of Birth

92.18% of Middlesex County, Connecticut residents were born in the United States, with 64.07% having been born in Connecticut. 3.01% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Middlesex County, Connecticut Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources