Nantucket County MA Information


Nantucket County Subdivisions

Nantucket County MA Data & Demographics (As of July 1, 2016)


Total Population 10,361
Population in Households 10,303
Population in Familes 7,223
Population in Group Qrtrs 58
Population Density1 230
Diversity Index2 47


Total Households 4,290
Average Household Size 2.4
Family Households 2,452
Average Family Size 3


Total Housing Units 12,330 (100%)
Owner Occupied HU 2,459 (19.9%)
Renter Occupied HU 1,831 (14.8%)
Vacant Housing Units 8,040 (65.2%)
Median Home Value $952,139
Average Home Value $943,666


Median Household Income $84,339
Average Household Income $108,194
Per Capita Income $44,798
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.29% 1.21%
Households 0.23% 1.17%
Families 0.15% 1.13%
Median Household Income   1.79%
Per Capita Income   1.55%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Nantucket County MA - Peer Comparisons by Rank and Percentile

The table below compares Nantucket County to the other 14 counties and county equivalents in Massachusetts by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 14 7th
Population Density1 # 11 29th
Diversity Index2 # 5 71st
Median Household Income # 3 86th
Per Capita Income # 3 86th

Additional comparisons and rankings can be made with a VERY EASY TO USE Massachusetts Census Data Comparison Tool.