Aberdeen, MD 21001 ZIP Code Profile

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Aberdeen, MD

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ZIP Code 21001: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Aberdeen, MD 21001

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 702
  • Single Family Addresses: 8,505
  • Multi-Family Addresses: 1,549
  • County: Harford County
  • Centroid: Latitude 39.509, Longitude -76.182
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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21001 ZIP Code Map

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Aberdeen, MD 21001 Data & Demographics (As of July 1, 2016)


Total Population 24,500
Population in Households 24,405
Population in Familes 19,724
Population in Group Qrtrs 95
Population Density1 481
Diversity Index2 59


Total Households 9,448
Average Household Size 2.58
Family Households 6,382
Average Family Size 3


Total Housing Units 10,212 (100%)
Owner Occupied HU 6,064 (59.4%)
Renter Occupied HU 3,384 (33.1%)
Vacant Housing Units 764 ( 7.5%)
Median Home Value $220,708
Average Home Value $239,718


Median Household Income $55,770
Average Household Income $71,447
Per Capita Income $27,685
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.51% 1.03%
Households 1.42% 0.98%
Families 1.32% 0.9%
Median Household Income   0.92%
Per Capita Income   1.47%
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.

Aberdeen, MD 21001 - Peer Comparisons by Rank and Percentile

The table below compares 21001 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 # 108 76th
Population Density1 # 207 55th
Diversity Index2 # 93 80th
Median Household Income # 349 24th
Per Capita Income # 334 27th

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

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