Nantucket County, Massachusetts Population 2020

Nantucket County, Massachusetts's estimated population is 11,441 with a growth rate of 0.50% in the past year according to the most recent United States census data. Nantucket County, Massachusetts is the 14th largest county in Massachusetts.

Year Population Growth Growth Rate
202011,441570.50%
201911,384570.50%
201811,327570.51%
201711,2701461.31%
201611,1241791.64%
201510,9451060.98%
201410,8392722.57%
201310,5672562.48%
201210,3111811.79%
201110,130-37-0.36%
201010,1674,15569.11%
19906,01292518.18%
19805,0871,31334.79%
19703,7742156.04%
19603,559752.15%
19503,484832.44%
19403,401-277-7.53%
19303,67888131.50%
19202,797-165-5.57%
19102,962-44-1.46%
19003,006-262-8.02%
18903,268-459-12.32%
18803,727-396-9.60%
18704,123-1,971-32.34%
18606,094-2,358-27.90%
18508,452-560-6.21%
18409,0121,81025.13%
18307,202-64-0.88%
18207,2664596.74%
18106,8071,19021.19%
18005,61799721.58%
17904,6200.00%
2020 Growth Rate
0.50%
County Website
County Seat
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Nantucket County, Massachusetts Population Growth

Population by Race

Race Population Percentage
White9,72287.58%
Black or African American7766.99%
Two or More Races3923.53%
Asian1070.96%
Some Other Race620.56%
American Indian and Alaska Native350.32%
Native Hawaiian and Other Pacific Islander70.06%
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Nantucket County, Massachusetts Population Pyramid 2020

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Nantucket County, Massachusetts Median Age

40.1


Total

39.4


Male

40.5


Female

Nantucket County, Massachusetts Adults

There are 8,770 adults, (1,582 of whom are seniors) in Nantucket County, Massachusetts.

Nantucket County, Massachusetts Age Dependency

54.4

Age Dependency Ratio

22

Old Age Dependency Ratio

32.4

Child Dependency Ratio

Nantucket County, Massachusetts Sex Ratio

Female

5,451

49.10%

Male

5,650

50.90%

Nantucket County, Massachusetts Households and Families

Nantucket County, Massachusetts Renter vs Owner Occupied by Household Type

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Nantucket County, Massachusetts Household Types

Type Owner Renter
Married81.8%18.2%
Male69.9%30.1%
All69.2%30.8%
Female57.7%42.3%
Non Family55.6%44.4%

69.2%

Rate of Home Ownership

Type Count Average Size Owned
All3,7222.9169.2
Married1,8243.4981.8
Non Family1,4541.7155.6
Female2914.2157.7
Male1534.8469.9

3.45

Average Family Size

2.91

Average Household Size

6%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

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Nantucket County, Massachusetts Education

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Education Attained Count Percentage
Less Than 9th Grade630.79%
9th to 12th Grade3173.95%
High School Graduate1,47618.39%
Some College1,49418.62%
Associates Degree5276.57%
Bachelors Degree2,38129.67%
Graduate Degree1,76722.02%
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Nantucket County, Massachusetts Educational Attainment by Race

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Name Total High School Bachelors
White6,8116,6153,691
Black526395105
Hispanic457385126
Multiple Races328314221
Asian564642
Native American2626
Other Race262619

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 75.00%.

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Name Average Male Female
Overall$46,822$47,946$43,750
Less Than High School$30,976$31,540$17,917
High School Grad$46,071$47,156$29,273
Some College$46,793$42,266$52,188
Bachelors Degree$54,825$67,386$47,292
Graduate Degree$44,740$51,667$42,188

$46,822

Average Earnings

$47,946

Average Male

$43,750

Average Female

Nantucket County, Massachusetts Language

Nantucket County, Massachusetts Language by Age

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Nantucket County, Massachusetts Language

88.61% of Nantucket County, Massachusetts residents speak only English, while 11.39% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 5.55% of the population.

Nantucket County, Massachusetts Poverty

Nantucket County, Massachusetts Poverty by Race

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Name Total In Poverty Poverty Rate
White9,3915736.10%
Black76825633.33%
Hispanic4928817.89%
Multiple388174.38%
Asian811316.05%

8.61%

Overall Poverty Rate

8.93%

Male Poverty Rate

8.28%

Female Poverty Rate

Poverty in Nantucket County, Massachusetts

The race most likely to be in poverty in Nantucket County, Massachusetts is Black, with 33.33% below the poverty level.

The race least likely to be in poverty in Nantucket County, Massachusetts is Multiple, with 4.38% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.07%. Among those working part-time, it was 9.36%, and for those that did not work, the poverty rate was 18.30%.

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Name Poverty
Some College13.70%
Less Than High School11.32%
High School8.39%
Bachelors or Greater3.00%
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Name Poverty
Male Unemployed63.43%
Female Employed5.88%
Male Employed3.02%
Female Unemployed0.00%

Nantucket County, Massachusetts Income

Nantucket County, Massachusetts Income by Household Type

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Name Median Mean
Households$105,171$137,752
Families$117,500$165,153
Married Families$126,759-
Non Families$60,938$87,463
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Nantucket County, Massachusetts Marital Status

Nantucket County, Massachusetts Marital Status

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Marriage Rates

45.6%

Overall Marriage Rate

44.5%

Male Marriage Rate

46.8%

Female Marriage Rate

Nantucket County, Massachusetts Married by Age and Sex

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Nantucket County, Massachusetts 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.

Nantucket County, Massachusetts Marital Status by Race

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Nantucket County, Massachusetts Veterans

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560

Number of Veterans

551

Male Veterans

9

Female Veterans

War Veterans
Vietnam242
Korea85
First Gulf War44
Second Gulf War39
World War II15
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Age Group Veterans
75+187
65 to 74151
55 to 64109
35 to 5474
18 to 3439
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Name Veterans % of Total
White4806.30%
Black498.29%
2 or More318.76%
Hispanic61.30%

Nantucket County, Massachusetts Veterans by Education

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9.34%

Veteran Poverty Rate

26.92%

Veteran Disability Rate

Nantucket County, Massachusetts Employment Status

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74%

Labor Force Participation

71.7%

Employment Rate

2.8%

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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52.81%

Born in Massachusetts

89.88%

Native Born

10.12%

Foreign Born

6.34%

Non Citizen

3.77%

Naturalized

Place of Birth

89.88% of Nantucket County, Massachusetts residents were born in the United States, with 52.81% having been born in Massachusetts. 6.34% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

  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