Sunderland, MD 20689 ZIP Code Profile

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Sunderland, MD

ZIP Code 20689: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Sunderland, MD 20689

  • ZIP Code Type: STANDARD
  • County: Calvert County
  • Centroid: Latitude 38.657, Longitude -76.586
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 32
  • PO Box Addresses: 108
  • Residential Addresses: 584
    • Multi-Family Addresses: 0
    • Single Family Addresses: 584

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

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Sunderland, MD 20689 Data & Demographics (As of July 1, 2018)


Total Population 1,997
Population in Households 1,997
Population in Familes 1,823
Population in Group Qrtrs 0
Population Density1 267
Diversity Index2 38


Median Household Income $116,446
Average Household Income $140,083
Per Capita Income $46,367


Total Housing Units 694 (100%)
Owner Occupied HU 608 (87.6%)
Renter Occupied HU 53 ( 7.6%)
Vacant Housing Units 33 ( 4.8%)
Median Home Value $447,399
Average Home Value $473,396


Total Households 661
Average Household Size 3.02
Family Households 558
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 0.81% 0.88%
Households 0.78% 0.86%
Families 0.72% 0.78%
Median Household Income   1.46%
Per Capita Income   2.54%

Sunderland, MD 20689 - Peer Comparisons by Rank and Percentile

The table below compares 20689 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 # 308 31st
Population Density # 261 42nd
Diversity Index # 230 49th
Median Household Income # 68 85th
Per Capita Income # 116 74th

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

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