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: 775
  • Single Family Addresses: 9,836
  • Multi-Family Addresses: 3,924
  • 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, 2017)


Total Population 31,081
Daytime Population: Workers 9,556
Daytime Population: Residents 14,833
Total Daytime Population (TDP) 24,389
Ratio TDP/Total Population1 0.78
Population in Households 30,871
Population in Familes 22,566
Population in Group Qrtrs 210
Population Density2 3,347
Diversity Index3 65


Median Household Income $86,642
Average Household Income $117,629
Per Capita Income $49,366


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


Total Households 12,979
Average Household Size 2.38
Family Households 7,583
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
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%

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 Density # 71 85th
Diversity Index # 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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