Middlesex County MA Information


Middlesex County Subdivisions

Middlesex County MA Data & Demographics (As of July 1, 2015)


Total Population 1,539,657
Population in Households 1,483,273
Population in Familes 1,157,251
Population in Group Qrtrs 56,384
Population Density1 1,883
Diversity Index2 48


Total Households 597,449
Average Household Size 2.48
Family Households 374,426
Average Family Size 3


Total Housing Units 631,168 (100%)
Owner Occupied HU 373,949 (59.2%)
Renter Occupied HU 223,500 (35.4%)
Vacant Housing Units 33,719 ( 5.3%)
Median Home Value $457,904
Average Home Value $530,913


Median Household Income $82,594
Average Household Income $111,812
Per Capita Income $43,565
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.46% 0.72%
Households 0.54% 0.77%
Families 0.4% 0.69%
Median Household Income   2.52%
Per Capita Income   2.68%
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.


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, 2015 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 Density1 # 2 93rd
Diversity Index2 # 4 79th
Median Household Income # 2 93rd
Per Capita Income # 2 93rd

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