Knox County ME Information


Knox County Subdivisions

Knox County ME Data & Demographics (As of July 1, 2018)


Total Population 41,140
Population in Households 39,822
Population in Familes 30,141
Population in Group Qrtrs 1,318
Population Density1 113
Diversity Index2 11


Median Household Income $54,079
Average Household Income $75,017
Per Capita Income $33,215


Total Housing Units 24,937 (100%)
Owner Occupied HU 12,915 (51.8%)
Renter Occupied HU 4,896 (19.6%)
Vacant Housing Units 7,126 (28.6%)
Median Home Value $224,660
Average Home Value $276,436


Total Households 17,811
Average Household Size 2.24
Family Households 10,808
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 0.42% 0.48%
Households 0.38% 0.45%
Families 0.16% 0.31%
Median Household Income   1.4%
Per Capita Income   1.95%


Knox County ME - Peer Comparisons by Rank and Percentile

The table below compares Knox County to the other 16 counties and county equivalents in Maine by rank and percentile using July 1, 2018 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 # 10 44th
Population Density # 6 69th
Diversity Index # 10 44th
Median Household Income # 4 81st
Per Capita Income # 2 94th

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