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Middlesex County, Connecticut Population 2021
Middlesex County, Connecticut's estimated population is 161,568 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 inConnecticut. The 2010 Population was 165,616 and has seen a growth of -2.44% since this time.
Note: 2020 and 2021 data is projected
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 161,568 | -434 | -0.27% |
| 2020 | 162,002 | -434 | -0.27% |
| 2019 | 162,436 | -434 | -0.27% |
| 2018 | 162,870 | -72 | -0.04% |
| 2017 | 162,942 | -350 | -0.21% |
| 2016 | 163,292 | -432 | -0.26% |
| 2015 | 163,724 | -1,062 | -0.64% |
| 2014 | 164,786 | -543 | -0.33% |
| 2013 | 165,329 | -305 | -0.18% |
| 2012 | 165,634 | -540 | -0.32% |
| 2011 | 166,174 | 558 | 0.34% |
| 2010 | 165,616 | 22,420 | 15.66% |
| 1990 | 143,196 | 14,179 | 10.99% |
| 1980 | 129,017 | 14,201 | 12.37% |
| 1970 | 114,816 | 25,951 | 29.20% |
| 1960 | 88,865 | 21,533 | 31.98% |
| 1950 | 67,332 | 11,333 | 20.24% |
| 1940 | 55,999 | 4,611 | 8.97% |
| 1930 | 51,388 | 3,838 | 8.07% |
| 1920 | 47,550 | 1,913 | 4.19% |
| 1910 | 45,637 | 3,877 | 9.28% |
| 1900 | 41,760 | 2,236 | 5.66% |
| 1890 | 39,524 | 3,935 | 11.06% |
| 1880 | 35,589 | -510 | -1.41% |
| 1870 | 36,099 | 5,240 | 16.98% |
| 1860 | 30,859 | 3,643 | 13.39% |
| 1850 | 27,216 | 2,337 | 9.39% |
| 1840 | 24,879 | 35 | 0.14% |
| 1830 | 24,844 | 2,439 | 10.89% |
| 1820 | 22,405 | 1,682 | 8.12% |
| 1810 | 20,723 | 876 | 4.41% |
| 1800 | 19,847 | 992 | 5.26% |
| 1790 | 18,855 | 0.00% |
2021 Growth Rate
-0.27% (-434)
State
Founded
May, 1785
Lat./Long.
2010 Population
165,616
Growth Since 2010
-2.44% (-4,048)
Middlesex County, Connecticut Population Growth
| Race | Population | Percentage |
|---|---|---|
| White | 143,486 | 88.00% |
| Black or African American | 9,119 | 5.59% |
| Asian | 5,017 | 3.08% |
| Two or More Races | 3,367 | 2.06% |
| Some Other Race | 1,742 | 1.07% |
| American Indian and Alaska Native | 312 | 0.19% |
| Native Hawaiian and Other Pacific Islander | 10 | 0.01% |
Middlesex County, Connecticut Population by Race
Middlesex County, Connecticut Population Pyramid $2021
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Middlesex County, Connecticut Population by Age
Middlesex County, Connecticut Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 66,971 | 2.34 | 73.5 |
| Married | 33,964 | 2.96 | 89 |
| Non Family | 24,397 | 1.24 | 56.4 |
| Female | 6,275 | 3.03 | 55 |
| Male | 2,335 | 3.1 | 76.1 |
2.91
Average Family Size
2.34
Average Household Size
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Middlesex County, Connecticut Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 2,337 | 1.96% |
| 9th to 12th Grade | 4,567 | 3.83% |
| High School Graduate | 30,810 | 25.82% |
| Some College | 20,155 | 16.89% |
| Associates Degree | 11,165 | 9.36% |
| Bachelors Degree | 28,160 | 23.60% |
| Graduate Degree | 22,139 | 18.55% |
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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 |
|---|---|---|---|
| White | 103,338 | 98,268 | 44,375 |
| Black | 6,039 | 5,312 | 1,644 |
| Hispanic | 5,830 | 4,903 | 1,687 |
| Asian | 3,373 | 3,112 | 2,064 |
| 2+ Races | 1,328 | 1,266 | 526 |
| Other Race | 1,175 | 840 | 192 |
| Native American | 205 | 205 | 28 |
The highest rate of high school graduation is among native american people with a rate of 100.00%.
The highest rate of bachelors degrees is among asian people with a rate of 61.19%.
Middlesex County, Connecticut Educational Attainment by Race
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$55,429
Average Earnings
$64,307
Average Male
$46,748
Average Female
Middlesex County, Connecticut Earnings by Educational Attainment
Middlesex County, Connecticut Language by Age
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Middlesex County, Connecticut Language
89.32% of Middlesex County, Connecticut residents speak only English, while 10.68% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 4.83% of the population.
Middlesex County, Connecticut Language
Middlesex County, Connecticut Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 133,112 | 6,971 | 5.24% |
| Hispanic | 9,704 | 1,945 | 20.04% |
| Black | 8,528 | 1,401 | 16.43% |
| Multiple | 3,187 | 506 | 15.88% |
| Asian | 4,391 | 451 | 10.27% |
| Other | 1,618 | 440 | 27.19% |
| Native | 311 | 113 | 36.33% |
| Islander | 10 | 10 | 100.00% |
6.94%
Overall Poverty Rate
6.07%
Male Poverty Rate
7.78%
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 White, with 5.24% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.93%. Among those working part-time, it was 9.55%, and for those that did not work, the poverty rate was 13.47%.
Middlesex County, Connecticut Poverty
Middlesex County, Connecticut Poverty Rate by Education
Middlesex County, Connecticut Marital Status
Marriage Rates
51.0%
Overall Marriage Rate
53.1%
Male Marriage Rate
49.1%
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 45-54.
Middlesex County, Connecticut Marital Status by Race
Middlesex County, Connecticut Marital Status
Middlesex County, Connecticut Veterans by War
Middlesex County, Connecticut Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 9,011 | 7.58% |
| Black | 483 | 6.75% |
| Hispanic | 210 | 2.99% |
| Asian | 51 | 1.22% |
| 2+ Races | 47 | 2.68% |
| Other Race | 15 | 1.15% |
| Native American | 13 | 4.80% |
Middlesex County, Connecticut Veterans by Race
Middlesex County, Connecticut Veterans by Education
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5.06%
Veteran Poverty Rate
23.15%
Veteran Disability Rate
Middlesex County, Connecticut Veterans by Education
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67.4%
Labor Force Participation
64.1%
Employment Rate
4.6%
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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64.67%
Born in Middlesex County, Connecticut
92.20%
Native Born
7.80%
Foreign Born
3.15%
Non Citizen
4.65%
Naturalized
Place of Birth
92.20% of Middlesex County, Connecticut residents were born in the United States, with 64.67% having been born in Connecticut. 3.15% 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
- US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- Population of States and Counties of the United States: 1790 - 1990