District 9 MD Demographic Data and Boundary Map


District 9, MD

The District 9 is a County Subdivision of Montgomery County. The subdivision has a Z1 Census Class Code which indicates that the District 9 is a nonfunctioning county subdivision.

Also See: Montgomery County Data | Cities in Montgomery County | County Subdivisions in Montgomery County

District 9 Boundary Map


District 9 Data & Demographics (As of July 1, 2017)


Total Population 182,776
Population in Households 181,769
Population in Familes 146,140
Population in Group Qrtrs 1,007
Population Density1 5,746
Diversity Index2 84


Total Households 64,898
Average Household Size 2.8
Family Households 43,832
Average Family Size 3


Total Housing Units 67,717 (100%)
Owner Occupied HU 37,792 (55.8%)
Renter Occupied HU 27,106 (40.0%)
Vacant Housing Units 2,819 ( 4.2%)
Median Home Value $346,494
Average Home Value $381,703


Median Household Income $83,734
Average Household Income $103,427
Per Capita Income $36,917
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 1.19% 1.29%
Households 1.05% 1.27%
Families 0.92% 1.11%
Median Household Income   1.92%
Per Capita Income   2.49%
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.