Plymouth County MA Information


Plymouth County Subdivisions

Plymouth County MA Data & Demographics (As of July 1, 2017)


Total Population 523,823
Daytime Population: Workers 206,855
Daytime Population: Residents 251,239
Total Daytime Population (TDP) 458,094
Ratio TDP/Total Population1 0.87
Population in Households 511,537
Population in Familes 429,518
Population in Group Qrtrs 12,286
Population Density2 795
Diversity Index3 36


Median Household Income $80,236
Average Household Income $105,734
Per Capita Income $38,781


Total Housing Units 208,406 (100%)
Owner Occupied HU 141,196 (67.8%)
Renter Occupied HU 48,920 (23.5%)
Vacant Housing Units 18,290 ( 8.8%)
Median Home Value $379,326
Average Home Value $449,709


Total Households 190,116
Average Household Size 2.69
Family Households 133,714
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 0.79% 0.74%
Households 0.67% 0.68%
Families 0.61% 0.65%
Median Household Income   1.81%
Per Capita Income   2.2%


Plymouth County MA - Peer Comparisons by Rank and Percentile

The table below compares Plymouth County to the other 14 counties and county equivalents in Massachusetts by rank and percentile using July 1, 2017 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 # 7 57th
Population Density # 6 64th
Diversity Index # 9 43rd
Median Household Income # 4 79th
Per Capita Income # 7 57th

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