Washington County MD Information


Washington County Subdivisions

Washington County MD Data & Demographics (As of July 1, 2015)


Total Population 151,193
Population in Households 142,374
Population in Familes 114,811
Population in Group Qrtrs 8,819
Population Density1 330
Diversity Index2 36


Total Households 56,883
Average Household Size 2.5
Family Households 38,008
Average Family Size 3


Total Housing Units 62,049 (100%)
Owner Occupied HU 36,152 (58.3%)
Renter Occupied HU 20,731 (33.4%)
Vacant Housing Units 5,166 ( 8.3%)
Median Home Value $199,604
Average Home Value $232,773


Median Household Income $53,552
Average Household Income $68,268
Per Capita Income $26,702
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.48% 0.43%
Households 0.41% 0.42%
Families 0.25% 0.32%
Median Household Income   2.72%
Per Capita Income   2.44%
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.


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, 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 # 11 58th
Population Density1 # 12 54th
Diversity Index2 # 19 25th
Median Household Income # 16 38th
Per Capita Income # 18 29th

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