Keedysville, MD 21756 ZIP Code Profile

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Keedysville, MD

ZIP Code 21756: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Keedysville, MD 21756

  • ZIP Code Type: STANDARD
  • County: Washington County
  • Centroid: Latitude 39.463, Longitude -77.696
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 44
  • PO Box Addresses: 158
  • Residential Addresses: 1,238
    • Multi-Family Addresses: 0
    • Single Family Addresses: 1,238

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

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21756 ZIP Code Map

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Keedysville, MD 21756 Data & Demographics (As of July 1, 2017)


Total Population 3,394
Daytime Population: Workers 413
Daytime Population: Residents 1,527
Total Daytime Population (TDP) 1,940
Ratio TDP/Total Population1 0.57
Population in Households 3,388
Population in Familes 3,004
Population in Group Qrtrs 6
Population Density2 168
Diversity Index3 13


Median Household Income $91,306
Average Household Income $104,176
Per Capita Income $36,617


Total Housing Units 1,256 (100%)
Owner Occupied HU 1,055 (84.0%)
Renter Occupied HU 136 (10.8%)
Vacant Housing Units 65 ( 5.2%)
Median Home Value $319,010
Average Home Value $341,611


Total Households 1,191
Average Household Size 2.84
Family Households 948
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 0.15% 0.19%
Households 0.13% 0.18%
Families 0.03% 0.13%
Median Household Income   2.37%
Per Capita Income   2.78%

Keedysville, MD 21756 - Peer Comparisons by Rank and Percentile

The table below compares 21756 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 # 264 42nd
Population Density # 310 32nd
Diversity Index # 412 10th
Median Household Income # 157 66th
Per Capita Income # 214 53rd

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

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