Smithsburg, MD 21783 ZIP Code Profile

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Smithsburg, MD

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ZIP Code 21783: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Smithsburg, MD 21783

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 142
  • Single Family Addresses: 3,134
  • Multi-Family Addresses: 0
  • County: Washington County
  • Centroid: Latitude 39.61, Longitude -77.526
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 21783 has segments in 2 Counties / Independent Cities (Frederick, Washington).

Neighborhood Data

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21783 ZIP Code Map

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Smithsburg, MD 21783 Data & Demographics (As of July 1, 2016)


Total Population 9,618
Population in Households 9,571
Population in Familes 8,410
Population in Group Qrtrs 47
Population Density1 193
Diversity Index2 21


Total Households 3,478
Average Household Size 2.75
Family Households 2,694
Average Family Size 3


Total Housing Units 3,728 (100%)
Owner Occupied HU 2,748 (73.7%)
Renter Occupied HU 730 (19.6%)
Vacant Housing Units 250 ( 6.7%)
Median Home Value $249,374
Average Home Value $279,394


Median Household Income $71,901
Average Household Income $85,929
Per Capita Income $31,252
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.09% 0.14%
Households 0.09% 0.14%
Families 0.0% 0.07%
Median Household Income   2.34%
Per Capita Income   1.63%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Smithsburg, MD 21783 - Peer Comparisons by Rank and Percentile

The table below compares 21783 to the other 455 ZIP Codes in Maryland by rank and percentile using July 1, 2016 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 # 187 59th
Population Density1 # 288 37th
Diversity Index2 # 359 21st
Median Household Income # 240 47th
Per Capita Income # 280 39th

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

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