Warwick, MD 21912 ZIP Code Profile

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Warwick, MD

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ZIP Code 21912: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Warwick, MD 21912

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 16
  • Single Family Addresses: 407
  • Multi-Family Addresses: 0
  • County: Cecil County
  • Centroid: Latitude 39.43, Longitude -75.804
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood 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 certain data.


21912 ZIP Code Map

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Warwick, MD 21912 Data & Demographics (As of July 1, 2017)


Total Population 1,216
Population in Households 1,216
Population in Familes 993
Population in Group Qrtrs 0
Population Density1 40
Diversity Index2 44


Total Households 451
Average Household Size 2.7
Family Households 322
Average Family Size 3


Total Housing Units 503 (100%)
Owner Occupied HU 314 (62.4%)
Renter Occupied HU 137 (27.2%)
Vacant Housing Units 52 (10.3%)
Median Home Value $248,750
Average Home Value $352,787


Median Household Income $59,906
Average Household Income $77,145
Per Capita Income $28,612
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.19% 0.94%
Households 1.05% 0.83%
Families 0.93% 0.73%
Median Household Income   1.76%
Per Capita Income   2.8%
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.

Warwick, MD 21912 - Peer Comparisons by Rank and Percentile

The table below compares 21912 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 # 340 26th
Population Density1 # 418 9th
Diversity Index2 # 187 59th
Median Household Income # 323 29th
Per Capita Income # 333 27th

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

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