District 12 MD Demographic Data and Boundary Map


District 12, MD

The District 12 is a County Subdivision of Montgomery County. The subdivision has a Z1 Census Class Code which indicates that the District 12 is a nonfunctioning county subdivision.

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

District 12 Boundary Map


District 12 Data & Demographics (As of July 1, 2017)


Total Population 21,011
Population in Households 20,981
Population in Familes 18,932
Population in Group Qrtrs 30
Population Density1 653
Diversity Index2 56


Total Households 6,929
Average Household Size 3.03
Family Households 5,675
Average Family Size 3


Total Housing Units 7,037 (100%)
Owner Occupied HU 6,051 (86.0%)
Renter Occupied HU 878 (12.5%)
Vacant Housing Units 108 ( 1.5%)
Median Home Value $425,424
Average Home Value $479,189


Median Household Income $112,341
Average Household Income $135,565
Per Capita Income $44,587
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.72% 0.92%
Households 0.64% 0.83%
Families 0.61% 0.8%
Median Household Income   1.25%
Per Capita Income   2.06%
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.