Frederick, MD 21701 ZIP Code Profile

Related Place Profiles:
Frederick, MD | Lewistown, MD

ZIP Code 21701: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Frederick, MD 21701

Acceptable Alternative
Lewistown, MD 21701

Not Acceptable, USPS
Hood College, MD 21701

  • ZIP Code Type: STANDARD
  • County: Frederick County
  • Centroid: Latitude 39.418, Longitude -77.336
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,761
  • PO Box Addresses: 0
  • Residential Addresses: 16,505
    • Multi-Family Addresses: 3,135
    • Single Family Addresses: 13,370

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.


21701 ZIP Code Map

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Frederick, MD 21701 Data & Demographics (As of July 1, 2017)


Total Population 37,516
Daytime Population: Workers 31,508
Daytime Population: Residents 16,774
Total Daytime Population (TDP) 48,282
Ratio TDP/Total Population1 1.29
Population in Households 36,145
Population in Familes 27,036
Population in Group Qrtrs 1,371
Population Density2 1,014
Diversity Index3 48


Median Household Income $77,464
Average Household Income $96,870
Per Capita Income $41,532


Total Housing Units 16,923 (100%)
Owner Occupied HU 9,999 (59.1%)
Renter Occupied HU 5,572 (32.9%)
Vacant Housing Units 1,352 ( 8.0%)
Median Home Value $301,737
Average Home Value $339,571


Total Households 15,571
Average Household Size 2.32
Family Households 9,067
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 1.15% 1.1%
Households 1.14% 1.11%
Families 0.99% 0.99%
Median Household Income   1.79%
Per Capita Income   2.45%

Frederick, MD 21701 - Peer Comparisons by Rank and Percentile

The table below compares 21701 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 # 50 89th
Population Density # 157 66th
Diversity Index # 153 67th
Median Household Income # 218 52nd
Per Capita Income # 165 64th

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

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