Potomac, MD Profile: Facts, Map & Data


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Potomac, Maryland - Basic Facts

The Potomac Census Designated Place had a population of 46,634 as of July 1, 2016.

The primary coordinate point for Potomac is located at latitude 39.0133 and longitude -77.1936 in Montgomery County. The formal boundaries for the Potomac Census Designated Place (see map below) encompass a land area of 25.13 sq. miles and a water area of 1.45 sq. miles. Montgomery County is in the Eastern time zone (GMT -5). The elevation is 361 feet.

The Potomac Census Designated Place (GNIS ID: 2389701) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Potomac Census Designated Place is located within District 10, a minor civil division (MCD) of Montgomery County.

Beneath the boundary map are tables with Potomac population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Potomac: Offutts Cross Road, Offutt's Crossroads, Section Eight.

Neighborhood Data

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Potomac Census Designated Place, MD Boundary Map

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Boundary Maps: District 10 | Montgomery County | Maryland Counties / Independent Cities

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Potomac, MD Data & Demographics (As of July 1, 2016)


Total Population 46,634
Population in Households 46,171
Population in Familes 41,666
Population in Group Qrtrs 463
Population Density1 1,856
Diversity Index2 54


Total Households 16,457
Average Household Size 2.81
Family Households 13,318
Average Family Size 3


Total Housing Units 16,955 (100%)
Owner Occupied HU 14,230 (83.9%)
Renter Occupied HU 2,226 (13.1%)
Vacant Housing Units 498 ( 2.9%)
Median Home Value $893,320
Average Home Value $896,934


Median Household Income $174,984
Average Household Income $238,644
Per Capita Income $84,001
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.58% 0.85%
Households 0.35% 0.7%
Families 0.31% 0.67%
Median Household Income   1.47%
Per Capita Income   1.33%
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.

Potomac, MD - Peer Comparisons by Rank and Percentile

The table below compares Potomac to the other 518 incorporated cities, towns and CDPs in Maryland by rank and percentile using July 1, 2016 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 # 20 96th
Population Density1 # 203 61st
Diversity Index2 # 142 73rd
Median Household Income # 11 98th
Per Capita Income # 10 98th

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

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