Gunpowder, MD 21010 ZIP Code Profile


ZIP Code 21010: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Gunpowder, MD 21010

Acceptable Alternative
Aber Prov Grd, MD 21010
Aberdeen Proving Ground, MD 21010

Not Acceptable, USPS
Edgewood Arsenal, MD 21010

  • ZIP Code Type: STANDARD
  • County: Harford County
  • Centroid: Latitude 39.405, Longitude -76.288
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 20
  • PO Box Addresses: 32
  • Residential Addresses: 111
    • Multi-Family Addresses: 63
    • Single Family Addresses: 48

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

Jump to... (On This Page!)
  1. 21010 2018 Demographic Data
  2. Growth Rates for 21010 (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

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Gunpowder, MD 21010 Data & Demographics (As of July 1, 2018)


Total Population 113
Population in Households 113
Population in Familes 106
Population in Group Qrtrs 0
Population Density2 8
Diversity Index3 57


Median Household Income $48,534
Average Household Income $61,295
Per Capita Income $20,070


Total Housing Units 116 (100%)
Owner Occupied HU 0
Renter Occupied HU 37 (31.9%)
Vacant Housing Units 79 (68.1%)
Median Home Value $0
Average Home Value $0


Total Households 37
Average Household Size 3.05
Family Households 30
Average Family Size 4
  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 1.01% 1.04%
Households 1.03% 1.06%
Families 0.84% 0.66%
Median Household Income   -0.81%
Per Capita Income   0.69%

Gunpowder, MD 21010 - Peer Comparisons by Rank and Percentile

The table below compares 21010 to the other 448 ZIP Codes 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 # 432 4th
Population Density # 439 2nd
Diversity Index # 108 76th
Median Household Income # 399 11th
Per Capita Income # 430 4th

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

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Compare Maryland July 1, 2018 Data
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