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

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21403 ZIP Code Map

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Annapolis, MD 21403 Data & Demographics (As of July 1, 2017)


Total Population 31,081
Population in Households 30,871
Population in Familes 22,566
Population in Group Qrtrs 210
Population Density1 3,347
Diversity Index2 65


Total Households 12,979
Average Household Size 2.38
Family Households 7,583
Average Family Size 3


Total Housing Units 14,557 (100%)
Owner Occupied HU 7,835 (53.8%)
Renter Occupied HU 5,144 (35.3%)
Vacant Housing Units 1,578 (10.8%)
Median Home Value $457,944
Average Home Value $560,616


Median Household Income $86,642
Average Household Income $117,629
Per Capita Income $49,366
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.55% 0.69%
Households 0.32% 0.56%
Families 0.2% 0.47%
Median Household Income   1.73%
Per Capita Income   2.0%
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 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 # 75 84th
Population Density1 # 71 85th
Diversity Index2 # 71 85th
Median Household Income # 178 61st
Per Capita Income # 81 82nd

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

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