Delmar, MD 21875 ZIP Code Profile

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Delmar, MD

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ZIP Code 21875: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Delmar, MD 21875

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 93
  • Single Family Addresses: 2,725
  • Multi-Family Addresses: 99
  • County: Wicomico County
  • Centroid: Latitude 38.449, Longitude -75.581
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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21875 ZIP Code Map

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Delmar, MD 21875 Data & Demographics (As of July 1, 2017)


Total Population 7,171
Population in Households 6,775
Population in Familes 5,491
Population in Group Qrtrs 396
Population Density1 303
Diversity Index2 51


Total Households 2,742
Average Household Size 2.47
Family Households 1,900
Average Family Size 3


Total Housing Units 3,058 (100%)
Owner Occupied HU 1,849 (60.5%)
Renter Occupied HU 893 (29.2%)
Vacant Housing Units 316 (10.3%)
Median Home Value $180,588
Average Home Value $197,729


Median Household Income $52,009
Average Household Income $68,001
Per Capita Income $28,021
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.94% 1.16%
Households 0.81% 1.1%
Families 0.71% 1.05%
Median Household Income   1.41%
Per Capita Income   2.52%
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.

Delmar, MD 21875 - Peer Comparisons by Rank and Percentile

The table below compares 21875 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 # 208 55th
Population Density1 # 250 45th
Diversity Index2 # 141 69th
Median Household Income # 382 16th
Per Capita Income # 345 25th

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

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