Washington County MD Information


Washington County Subdivisions

Washington County MD Data & Demographics (As of July 1, 2018)


Total Population 151,388
Population in Households 143,151
Population in Familes 116,139
Population in Group Qrtrs 8,237
Population Density2 331
Diversity Index3 39


Median Household Income $57,473
Average Household Income $74,779
Per Capita Income $28,794


Total Housing Units 62,554 (100%)
Owner Occupied HU 38,033 (60.8%)
Renter Occupied HU 19,179 (30.7%)
Vacant Housing Units 5,342 ( 8.5%)
Median Home Value $229,712
Average Home Value $269,005


Total Households 57,212
Average Household Size 2.5
Family Households 38,076
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 0.32% 0.38%
Households 0.33% 0.39%
Families 0.18% 0.28%
Median Household Income   3.54%
Per Capita Income   3.71%


Washington County MD - Peer Comparisons by Rank and Percentile

The table below compares Washington County to the other 24 counties / independent cities and county equivalents in Maryland 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 # 11 58th
Population Density # 12 54th
Diversity Index # 18 29th
Median Household Income # 17 33rd
Per Capita Income # 17 33rd

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