Point of Rocks, MD 21777 ZIP Code Profile

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Point of Rocks, MD

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ZIP Code 21777: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Point of Rocks, MD 21777

Acceptable Alternative
Pt of Rocks, MD 21777

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 42
  • Single Family Addresses: 615
  • Multi-Family Addresses: 0
  • County: Frederick County
  • Centroid: Latitude 39.28, Longitude -77.533
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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21777 ZIP Code Map

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Point of Rocks, MD 21777 Data & Demographics (As of July 1, 2016)


Total Population 1,889
Population in Households 1,889
Population in Familes 1,696
Population in Group Qrtrs 0
Population Density1 400
Diversity Index2 38


Total Households 626
Average Household Size 3.02
Family Households 504
Average Family Size 3


Total Housing Units 673 (100%)
Owner Occupied HU 562 (83.5%)
Renter Occupied HU 64 ( 9.5%)
Vacant Housing Units 47 ( 7.0%)
Median Home Value $298,592
Average Home Value $360,009


Median Household Income $106,212
Average Household Income $114,987
Per Capita Income $38,106
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 3.35% 2.36%
Households 3.14% 2.35%
Families 3.08% 2.28%
Median Household Income   0.76%
Per Capita Income   1.66%
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.

Point of Rocks, MD 21777 - Peer Comparisons by Rank and Percentile

The table below compares 21777 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 # 317 31st
Population Density1 # 228 50th
Diversity Index2 # 221 52nd
Median Household Income # 92 80th
Per Capita Income # 187 59th

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

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