Frederick, MD 21703 ZIP Code Profile

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Frederick, MD

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ZIP Code 21703: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Frederick, MD 21703

  • ZIP Code Type: STANDARD
  • County: Frederick County
  • Centroid: Latitude 39.367, Longitude -77.464
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 837
  • PO Box Addresses: 0
  • Residential Addresses: 13,937
    • Multi-Family Addresses: 1,883
    • Single Family Addresses: 12,054

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.


21703 ZIP Code Map

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Frederick, MD 21703 Data & Demographics (As of July 1, 2017)


Total Population 36,125
Daytime Population: Workers 17,518
Daytime Population: Residents 16,702
Total Daytime Population (TDP) 34,220
Ratio TDP/Total Population1 0.95
Population in Households 35,743
Population in Familes 29,119
Population in Group Qrtrs 382
Population Density2 1,083
Diversity Index3 72


Median Household Income $80,548
Average Household Income $94,686
Per Capita Income $34,606


Total Housing Units 13,872 (100%)
Owner Occupied HU 8,490 (61.2%)
Renter Occupied HU 4,566 (32.9%)
Vacant Housing Units 816 ( 5.9%)
Median Home Value $274,212
Average Home Value $302,951


Total Households 13,056
Average Household Size 2.74
Family Households 8,934
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 1.44% 1.32%
Households 1.34% 1.3%
Families 1.24% 1.19%
Median Household Income   1.43%
Per Capita Income   2.43%

Frederick, MD 21703 - Peer Comparisons by Rank and Percentile

The table below compares 21703 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 # 55 88th
Population Density # 152 67th
Diversity Index # 40 91st
Median Household Income # 203 56th
Per Capita Income # 246 46th

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

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