Zip Code 21403
Annapolis, Maryland — Anne Arundel County
📍 ZIP code 21403 is in Annapolis, Anne Arundel County, Maryland.
ZIP code 21403 is located in Annapolis, Anne Arundel County, Maryland. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 32,757. The area code for ZIP code 21403 is 410.
Quick Answer
Zip code 21403 is in Annapolis, Maryland (Anne Arundel County). It has a population of 32,757, median household income of $115,068, and median home value of $566,900.
Population
32,757
Income
$115,068
Home Value
$566,900
Climate
86°F / 30°F
About Zip Code 21403
Zip code 21403 is located in Annapolis, Maryland, within Anne Arundel County. Home to approximately 32,757 residents, this area sits at an elevation of 30 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 410.
The median household income is $115,068 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $566,900, and the cost of living index is 173 (73% above the national average of 100).
Summers average a high of 86°F while winters drop to 30°F. The area receives about 44 in of rain and 10 in of snow annually. The zip code covers 9.1 square miles of land area and 4.7 square miles of water.
Key Statistics
32,757
$115,068
$566,900
Eastern (EST/EDT)
410
30 ft
9.1 sq mi
45.1
15,479
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Compare With Nearby Zip Codes
| Metric | 21403 | 21402 | 21037 | 21401 | 21140 | 20776 |
|---|---|---|---|---|---|---|
| City | Annapolis, MD | Annapolis, MD | Edgewater, MD | Annapolis, MD | Edgewater, MD | Harwood, MD |
| Population | 32,757 | 2,390 | 20,851 | 39,118 | 4,231 | 3,354 |
| Median Income | $115,068 | $85,893 | $135,541 | $119,296 | $152,188 | $122,440 |
| Home Value | $566,900 | $0 | $530,900 | $580,600 | $598,200 | $588,400 |
| Cost of Living | 173 | 103 | 172 | 177 | 194 | 188 |
| Median Age | 45.1 | 21.6 | 41.4 | 45.2 | 44.2 | 39.9 |
Cost of Living
100 = National Average. Annapolis's cost of living is 73% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
4.9x
Demographics
Zip code 21403 has a population of 32,757 people with a median age of 45.1. There are 15,479 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Annapolis (21403) population trend from 2010 to 2024
↓ -22.3%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
86°F
30°F
44 in
10 in
Annapolis experiences warm summers with average highs around 86°F. Winters are cool with lows averaging 30°F. The area receives about 10 in of snow per year.
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Housing & Economy
Median Home Value
$566,900
Median Household Income
$115,068
With 15,479 housing units across 9.1 square miles, 21403 has a housing density of 1,701 units per square mile. The home price-to-income ratio is 4.9x.
Location & Geography
Latitude
38.9421°
Longitude
-76.4896°
Land Area
9.1 sq mi
Water Area
4.7 sq mi
Nearby Zip Codes
Zip codes closest to 21403 (Annapolis, MD) with distances:
All Zip Codes in Annapolis, MD
Other zip codes serving Annapolis:
Related Cities in Maryland
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 21403's $115,068. A way to compare Annapolis to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 21403 (Annapolis, MD). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Annapolis, Maryland?
Annapolis, Maryland uses zip code 21403 along with 5 other zip codes.
What county is zip code 21403 in?
Zip code 21403 is located in Anne Arundel County, Maryland.
What is the population of zip code 21403?
The population of zip code 21403 is 32,757 with a median age of 45.1.
Is 21403 in Annapolis, Maryland?
Yes, zip code 21403 is in Annapolis, Anne Arundel County, Maryland. The area code is 410.
Frequently Asked Questions
What city is zip code 21403 in?
Zip code 21403 is in Annapolis, Maryland. It is part of Anne Arundel County and uses the Eastern (EST/EDT) timezone.
What is zip code 21403?
Zip code 21403 is a U.S. postal code in Annapolis, Maryland (Anne Arundel County). It has a population of 32,757 and covers 9.1 square miles.
What is the population of zip code 21403?
The population of zip code 21403 (Annapolis, MD) is 32,757 with a median age of 45.1. There are approximately 15,479 housing units in this area.
What is the median income in zip code 21403?
The median household income in zip code 21403 (Annapolis, MD) is $115,068 per year. The cost of living index is 173 (100 = national average).
What is the average home price in zip code 21403?
The median home value in zip code 21403 (Annapolis, MD) is $566,900. The cost of living index is 173 compared to the national average of 100.
What county is zip code 21403 in?
Zip code 21403 is located in Anne Arundel County, Maryland. The primary city is Annapolis.
What is the area code for zip code 21403?
Zip code 21403 in Annapolis, MD uses area code 410. It is located in the Eastern (EST/EDT) timezone.
Is zip code 21403 a good place to live?
Zip code 21403 (Annapolis, MD) has a cost of living index of 173 (100 = national average), a median household income of $115,068, and median home values of $566,900. The median age is 45.1. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 21403?
The cost of living index for zip code 21403 (Annapolis, MD) is 173, where 100 represents the national average. This area is above the national average. Median home value: $566,900.
What schools serve zip code 21403?
Zip code 21403 in Annapolis, Maryland is served by the local school district of Anne Arundel County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.