Annapolis, MD 21403 ZIP Code Profile

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Annapolis, MD

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ZIP Code 21403: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Annapolis, MD 21403

Acceptable Alternative
Highland Bch, MD 21403

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 773
  • Single Family Addresses: 9,847
  • Multi-Family Addresses: 3,930
  • County: Anne Arundel County
  • Centroid: Latitude 38.949, Longitude -76.489
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood 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 certain data.


21403 ZIP Code Map

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Annapolis, MD 21403 Data & Demographics (As of July 1, 2016)


Total Population 31,036
Population in Households 30,833
Population in Familes 22,570
Population in Group Qrtrs 203
Population Density1 3,307
Diversity Index2 64


Total Households 12,990
Average Household Size 2.37
Family Households 7,593
Average Family Size 3


Total Housing Units 14,615 (100%)
Owner Occupied HU 7,790 (53.3%)
Renter Occupied HU 5,200 (35.6%)
Vacant Housing Units 1,625 (11.1%)
Median Home Value $466,471
Average Home Value $564,291


Median Household Income $83,897
Average Household Income $113,533
Per Capita Income $47,758
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.55% 0.78%
Households 0.32% 0.65%
Families 0.17% 0.54%
Median Household Income   1.89%
Per Capita Income   1.6%
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.

Annapolis, MD 21403 - Peer Comparisons by Rank and Percentile

The table below compares 21403 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 # 74 84th
Population Density1 # 73 84th
Diversity Index2 # 71 85th
Median Household Income # 186 59th
Per Capita Income # 84 82nd

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