Crumpton, MD 21628 ZIP Code Profile

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Crumpton, MD

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ZIP Code 21628: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Crumpton, MD 21628

  • ZIP Code Type: PO BOX
  • County: Queen Annes County
  • Centroid: Latitude 39.237, Longitude -75.92
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 14
  • PO Box Addresses: 277
  • Residential Addresses: 1
    • Multi-Family Addresses: 0
    • Single Family Addresses: 1

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 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.


21628 ZIP Code Map

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Crumpton, MD 21628 Data & Demographics (As of July 1, 2017)


Total Population 575
Daytime Population: Workers 116
Daytime Population: Residents 256
Total Daytime Population (TDP) 372
Ratio TDP/Total Population1 0.65
Population in Households 575
Population in Familes 486
Population in Group Qrtrs 0
Population Density2 530
Diversity Index3 33


Median Household Income $65,142
Average Household Income $89,724
Per Capita Income $36,202


Total Housing Units 259 (100%)
Owner Occupied HU 191 (73.7%)
Renter Occupied HU 41 (15.8%)
Vacant Housing Units 27 (10.4%)
Median Home Value $246,711
Average Home Value $274,215


Total Households 232
Average Household Size 2.48
Family Households 172
Average Family Size 3
  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 0.62% 0.62%
Households 0.42% 0.51%
Families 0.33% 0.46%
Median Household Income   3.27%
Per Capita Income   3.05%

Crumpton, MD 21628 - Peer Comparisons by Rank and Percentile

The table below compares 21628 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 # 384 16th
Population Density # 201 56th
Diversity Index # 271 41st
Median Household Income # 285 38th
Per Capita Income # 223 51st

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

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