Montgomery County MD Information


Montgomery County Subdivisions

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  1. Montgomery County 2018 Demographic Data
  2. Growth Rates forMontgomery County (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Maryland Research Tools (Easy Tools & Current Data)
  3. Maryland Data Comparison Tool - 2018 Demographics

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


Total Population 1,051,892
Population in Households 1,042,602
Population in Familes 854,388
Population in Group Qrtrs 9,290
Population Density2 2,141
Diversity Index3 77


Median Household Income $105,535
Average Household Income $142,831
Per Capita Income $52,463


Total Housing Units 400,633 (100%)
Owner Occupied HU 249,388 (62.2%)
Renter Occupied HU 134,627 (33.6%)
Vacant Housing Units 16,618 ( 4.1%)
Median Home Value $476,966
Average Home Value $587,198


Total Households 384,015
Average Household Size 2.72
Family Households 260,378
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.96% 0.92%
Households 0.89% 0.88%
Families 0.75% 0.77%
Median Household Income   1.91%
Per Capita Income   2.52%


Montgomery County MD - Peer Comparisons by Rank and Percentile

The table below compares Montgomery 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 # 1 100th
Population Density # 2 96th
Diversity Index # 1 100th
Median Household Income # 2 96th
Per Capita Income # 2 96th

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

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  1. Get Current Demographic Data for Cities, Towns, and ZIP Codes
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Maryland Census Data Comparison Tool

Compare Maryland July 1, 2018 Data
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