Port Republic, MD 20676 ZIP Code Profile

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Port Republic, MD

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Preferred City Name & Primary Data

Preferred Name, USPS
Port Republic, MD 20676

Primary Data:

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 42
  • Single Family Addresses: 1,238
  • Multi-Family Addresses: 0
  • County: Calvert County
  • Centroid: Latitude 38.492, Longitude -76.534
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Port Republic, MD 20676 - Peer Comparisons by Rank and Percentile

The table below compares 20676 to the other 441 ZIP Codes in Maryland by rank and percentile using July 1, 2014 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 # 242 45th
Population Density1 # 268 39th
Diversity Index2 # 229 48th
Median Household Income # 96 78th
Per Capita Income # 139 69th

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


Port Republic, MD 20676 Data & Demographics (As of July 1, 2014)


Total Population 4,660
Population in Households 4,654
Population in Familes 4,106
Population in Group Qrtrs 6
Population Density1 233
Diversity Index2 35


Total Households 1,589
Average Household Size 2.93
Family Households 1,250
Average Family Size 3


Total Housing Units 1,821 (100%)
Owner Occupied HU 1,403 (77.0%)
Renter Occupied HU 186 (10.2%)
Vacant Housing Units 232 (12.7%)
Median Home Value $415,897
Average Home Value $447,309


Median Household Income $104,259
Average Household Income $122,767
Per Capita Income $41,887
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.41% 0.56%
Households 0.5% 0.56%
Families 0.42% 0.46%
Median Household Income   2.8%
Per Capita Income   3.42%
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.

Information Updates

The Demographic Data for the 1,273 Maryland cities, towns, counties, ZIP Codes and Census Designated Places (CDPs) profiled in this gazetteer is updated annually. Last Update: July 1, 2014.

The ZIP Code maps and the data regarding the number of residential and business addresses in each ZIP Code are updated four times per year. Last Update: November 1, 2014.

The information on the 33,352 Maryland Physical, Cultural and Historic Features is updated six times per year. Last Update: December 2, 2014.

The School Attendance Zone Maps for 1,352 Maryland public schools are updated four times per year. Last Update: October 6, 2014.