Millington, MD 21651 ZIP Code Profile

Related Place Profiles:
Millington, MD

Camera Icon Photos of the local Millington, MD area

ZIP Code 21651: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Millington, MD 21651

  • ZIP Code Type: STANDARD
  • County: Kent County
  • Centroid: Latitude 39.257, Longitude -75.837
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 21651 has segments in 2 Counties / Independent Cities (Kent, Queen Annes).

  • Businesses Addresses: 49
  • PO Box Addresses: 237
  • Residential Addresses: 952
    • Multi-Family Addresses: 0
    • Single Family Addresses: 952

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.


21651 ZIP Code Map

Search the map for:

Millington, MD 21651 Data & Demographics (As of July 1, 2017)


Total Population 3,186
Daytime Population: Workers 542
Daytime Population: Residents 1,444
Total Daytime Population (TDP) 1,986
Ratio TDP/Total Population1 0.62
Population in Households 3,172
Population in Familes 2,654
Population in Group Qrtrs 14
Population Density2 67
Diversity Index3 43


Median Household Income $57,342
Average Household Income $79,857
Per Capita Income $29,256


Total Housing Units 1,362 (100%)
Owner Occupied HU 894 (65.6%)
Renter Occupied HU 268 (19.7%)
Vacant Housing Units 200 (14.7%)
Median Home Value $229,641
Average Home Value $251,091


Total Households 1,162
Average Household Size 2.73
Family Households 863
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 0.35% 0.37%
Households 0.16% 0.29%
Families 0.06% 0.23%
Median Household Income   2.13%
Per Capita Income   2.95%

Millington, MD 21651 - Peer Comparisons by Rank and Percentile

The table below compares 21651 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 # 270 41st
Population Density # 393 14th
Diversity Index # 202 56th
Median Household Income # 346 24th
Per Capita Income # 319 30th

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

Maryland Research Tools

Maryland Census Data Comparison Tool

Compare Maryland Census Data
Highest or Lowest: