Annapolis, MD 21405 ZIP Code Profile

Related Place Profiles:
Annapolis, MD | Sherwood Forest, MD

ZIP Code 21405: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Annapolis, MD 21405

Acceptable Alternative
Sherwood Forest, MD 21405
Sherwood Frst, MD 21405

  • ZIP Code Type: STANDARD
  • County: Anne Arundel County
  • Centroid: Latitude 38.978, Longitude -76.492
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1
  • PO Box Addresses: 0
  • Residential Addresses: 0
    • Multi-Family Addresses: 0
    • Single Family Addresses: 0

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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21405 ZIP Code Map

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Annapolis, MD 21405 Data & Demographics (As of July 1, 2017)


Total Population 248
Daytime Population: Workers 1
Daytime Population: Residents 121
Total Daytime Population (TDP) 122
Ratio TDP/Total Population1 0.49
Population in Households 248
Population in Familes 230
Population in Group Qrtrs 0
Population Density2 550
Diversity Index3 16


Median Household Income $181,168
Average Household Income $249,494
Per Capita Income $94,566


Total Housing Units 169 (100%)
Owner Occupied HU 89 (52.7%)
Renter Occupied HU 5 ( 3.0%)
Vacant Housing Units 75 (44.4%)
Median Home Value $1,000,001
Average Home Value $951,404


Total Households 94
Average Household Size 2.64
Family Households 80
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 0.45% 0.56%
Households 0.3% 0.63%
Families 0.17% 0.5%
Median Household Income   0.24%
Per Capita Income   1.33%

Annapolis, MD 21405 - Peer Comparisons by Rank and Percentile

The table below compares 21405 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 # 421 8th
Population Density # 198 57th
Diversity Index # 398 13th
Median Household Income # 5 99th
Per Capita Income # 4 99th

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

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