Clarksburg, MD 20871 ZIP Code Profile

Related Place Profiles:
Clarksburg, MD | Hyattstown, MD

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ZIP Code 20871: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Clarksburg, MD 20871

Acceptable Alternative
Hyattstown, MD 20871

  • ZIP Code Type: STANDARD
  • County: Montgomery County
  • Centroid: Latitude 39.256, Longitude -77.28
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 20871 has segments in 2 Counties / Independent Cities (Frederick, Montgomery).

  • Businesses Addresses: 377
  • PO Box Addresses: 248
  • Residential Addresses: 7,708
    • Multi-Family Addresses: 173
    • Single Family Addresses: 7,535

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


20871 ZIP Code Map

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Clarksburg, MD 20871 Data & Demographics (As of July 1, 2017)


Total Population 22,799
Daytime Population: Workers 4,808
Daytime Population: Residents 10,797
Total Daytime Population (TDP) 15,605
Ratio TDP/Total Population1 0.68
Population in Households 22,636
Population in Familes 20,765
Population in Group Qrtrs 163
Population Density2 1,065
Diversity Index3 73


Median Household Income $131,368
Average Household Income $156,565
Per Capita Income $47,603


Total Housing Units 6,993 (100%)
Owner Occupied HU 6,151 (88.0%)
Renter Occupied HU 743 (10.6%)
Vacant Housing Units 99 ( 1.4%)
Median Home Value $526,607
Average Home Value $566,920


Total Households 6,894
Average Household Size 3.28
Family Households 5,868
Average Family Size 4
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population 7.78% 3.06%
Households 7.37% 2.96%
Families 7.41% 2.96%
Median Household Income   2.47%
Per Capita Income   2.54%

Clarksburg, MD 20871 - Peer Comparisons by Rank and Percentile

The table below compares 20871 to the other 456 ZIP Codes in Maryland by rank and percentile using July 1, 2017 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 # 115 75th
Population Density # 154 66th
Diversity Index # 36 92nd
Median Household Income # 32 93rd
Per Capita Income # 88 81st

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

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