Poolesville, MD 20837 ZIP Code Profile

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Poolesville, MD

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ZIP Code 20837: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Poolesville, MD 20837

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 208
  • Single Family Addresses: 2,097
  • Multi-Family Addresses: 0
  • County: Montgomery County
  • Centroid: Latitude 39.132, Longitude -77.404
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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20837 ZIP Code Map

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Poolesville, MD 20837 Data & Demographics (As of July 1, 2016)


Total Population 6,323
Population in Households 6,319
Population in Familes 5,658
Population in Group Qrtrs 4
Population Density1 138
Diversity Index2 40


Total Households 2,109
Average Household Size 3.0
Family Households 1,698
Average Family Size 3


Total Housing Units 2,203 (100%)
Owner Occupied HU 1,771 (80.4%)
Renter Occupied HU 338 (15.3%)
Vacant Housing Units 94 ( 4.3%)
Median Home Value $485,918
Average Home Value $531,846


Median Household Income $109,840
Average Household Income $132,369
Per Capita Income $44,177
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.65% 1.38%
Households 1.4% 1.21%
Families 1.34% 1.17%
Median Household Income   2.51%
Per Capita Income   1.8%
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.

Poolesville, MD 20837 - Peer Comparisons by Rank and Percentile

The table below compares 20837 to the other 455 ZIP Codes 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 # 217 53rd
Population Density1 # 320 30th
Diversity Index2 # 211 54th
Median Household Income # 72 84th
Per Capita Income # 114 75th

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

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