Middlesex County MA Information


Middlesex County Subdivisions

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


Total Population 1,602,184
Daytime Population: Workers 941,252
Daytime Population: Residents 732,449
Total Daytime Population (TDP) 1,673,701
Ratio TDP/Total Population1 1.04
Population in Households 1,545,508
Population in Familes 1,206,409
Population in Group Qrtrs 56,676
Population Density2 1,959
Diversity Index3 50


Median Household Income $88,668
Average Household Income $123,029
Per Capita Income $47,645


Total Housing Units 643,114 (100%)
Owner Occupied HU 368,362 (57.3%)
Renter Occupied HU 243,834 (37.9%)
Vacant Housing Units 30,918 ( 4.8%)
Median Home Value $460,412
Average Home Value $534,517


Total Households 612,196
Average Household Size 2.52
Family Households 384,516
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 0.88% 0.89%
Households 0.73% 0.86%
Families 0.66% 0.82%
Median Household Income   2.59%
Per Capita Income   2.35%


Middlesex County MA - Peer Comparisons by Rank and Percentile

The table below compares Middlesex 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 # 1 100th
Population Density # 2 93rd
Diversity Index # 4 79th
Median Household Income # 3 86th
Per Capita Income # 2 93rd

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