Middletown, MD 21769 ZIP Code Profile

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Middletown, MD

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ZIP Code 21769: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Middletown, MD 21769

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 250
  • Single Family Addresses: 4,047
  • Multi-Family Addresses: 83
  • County: Frederick County
  • Centroid: Latitude 39.439, Longitude -77.551
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 21769 has segments in 2 Counties / Independent Cities (Frederick, Washington).

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.


21769 ZIP Code Map

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Middletown, MD 21769 Data & Demographics (As of July 1, 2017)


Total Population 12,083
Daytime Population: Workers 2,048
Daytime Population: Residents 5,605
Total Daytime Population (TDP) 7,653
Ratio TDP/Total Population1 0.63
Population in Households 12,057
Population in Familes 10,809
Population in Group Qrtrs 26
Population Density2 277
Diversity Index3 21


Median Household Income $109,293
Average Household Income $130,369
Per Capita Income $46,460


Total Housing Units 4,491 (100%)
Owner Occupied HU 3,700 (82.4%)
Renter Occupied HU 599 (13.3%)
Vacant Housing Units 192 ( 4.3%)
Median Home Value $383,849
Average Home Value $426,351


Total Households 4,299
Average Household Size 2.8
Family Households 3,440
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.
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.6% 0.75%
Households 0.63% 0.75%
Families 0.51% 0.65%
Median Household Income   0.97%
Per Capita Income   2.14%

Middletown, MD 21769 - Peer Comparisons by Rank and Percentile

The table below compares 21769 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 # 169 63rd
Population Density # 264 42nd
Diversity Index # 364 20th
Median Household Income # 77 83rd
Per Capita Income # 98 79th

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

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