Marydel, MD 21649 ZIP Code Profile

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Marydel, MD

ZIP Code 21649: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Marydel, MD 21649

  • ZIP Code Type: STANDARD
  • County: Caroline County
  • Centroid: Latitude 39.109, Longitude -75.767
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 21649 has segments in 2 Counties / Independent Cities (Caroline, Queen Annes).

  • Businesses Addresses: 28
  • PO Box Addresses: 172
  • Residential Addresses: 514
    • Multi-Family Addresses: 0
    • Single Family Addresses: 514

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

EXTREMELY LOCAL Demographic 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 demographic data.


21649 ZIP Code Map

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Marydel, MD 21649 Data & Demographics (As of July 1, 2017)


Total Population 2,022
Daytime Population: Workers 85
Daytime Population: Residents 1,030
Total Daytime Population (TDP) 1,115
Ratio TDP/Total Population1 0.55
Population in Households 2,021
Population in Familes 1,613
Population in Group Qrtrs 1
Population Density2 96
Diversity Index3 81


Median Household Income $57,703
Average Household Income $71,175
Per Capita Income $19,624


Total Housing Units 696 (100%)
Owner Occupied HU 387 (55.6%)
Renter Occupied HU 170 (24.4%)
Vacant Housing Units 139 (20.0%)
Median Home Value $255,938
Average Home Value $271,124


Total Households 557
Average Household Size 3.63
Family Households 415
Average Family Size 4
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population -0.46% 0.26%
Households -0.56% 0.25%
Families -0.65% 0.19%
Median Household Income   2.09%
Per Capita Income   3.36%

Marydel, MD 21649 - Peer Comparisons by Rank and Percentile

The table below compares 21649 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 # 309 32nd
Population Density # 361 21st
Diversity Index # 22 96th
Median Household Income # 340 26th
Per Capita Income # 440 4th

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

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