Zip Code 21401
Annapolis, Maryland — Anne Arundel County
📍 ZIP code 21401 is in Annapolis, Anne Arundel County, Maryland.
ZIP code 21401 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 39,118. The area code for ZIP code 21401 is 410.
Quick Answer
Zip code 21401 is in Annapolis, Maryland (Anne Arundel County). It has a population of 39,118, median household income of $119,296, and median home value of $580,600.
Population
39,118
Income
$119,296
Home Value
$580,600
Climate
89°F / 29°F
About Zip Code 21401
Zip code 21401 is located in Annapolis, Maryland, within Anne Arundel County. Home to approximately 39,118 residents, this area sits at an elevation of 84 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 410.
The median household income is $119,296 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $580,600, and the cost of living index is 177 (77% above the national average of 100).
Summers average a high of 89°F while winters drop to 29°F. The area receives about 45 in of rain and 10 in of snow annually. The zip code covers 19.8 square miles of land area and 2.3 square miles of water.
Key Statistics
39,118
$119,296
$580,600
Eastern (EST/EDT)
410
84 ft
19.8 sq mi
45.2
19,293
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Compare With Nearby Zip Codes
| Metric | 21401 | 21405 | 21140 | 21032 | 21402 | 21403 |
|---|---|---|---|---|---|---|
| City | Annapolis, MD | Sherwood Forest, MD | Edgewater, MD | Annapolis, MD | Annapolis, MD | Annapolis, MD |
| Population | 39,118 | 426 | 4,231 | 8,553 | 2,390 | 32,757 |
| Median Income | $119,296 | $182,614 | $152,188 | $175,234 | $85,893 | $115,068 |
| Home Value | $580,600 | $944,000 | $598,200 | $643,000 | $0 | $566,900 |
| Cost of Living | 177 | 250 | 194 | 206 | 103 | 173 |
| Median Age | 45.2 | 61.9 | 44.2 | 50.2 | 21.6 | 45.1 |
Cost of Living
100 = National Average. Annapolis's cost of living is 77% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
4.9x
Demographics
Zip code 21401 has a population of 39,118 people with a median age of 45.2. There are 19,293 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Annapolis (21401) population trend from 2010 to 2024
↓ -16.2%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
89°F
29°F
45 in
10 in
Annapolis experiences warm summers with average highs around 89°F. Winters are cool with lows averaging 29°F. The area receives about 10 in of snow per year.
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Housing & Economy
Median Home Value
$580,600
Median Household Income
$119,296
With 19,293 housing units across 19.8 square miles, 21401 has a housing density of 974 units per square mile. The home price-to-income ratio is 4.9x.
Location & Geography
Latitude
38.9879°
Longitude
-76.5527°
Land Area
19.8 sq mi
Water Area
2.3 sq mi
Nearby Zip Codes
Zip codes closest to 21401 (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 21401's $119,296. 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 21401 (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 21401 along with 5 other zip codes.
What county is zip code 21401 in?
Zip code 21401 is located in Anne Arundel County, Maryland.
What is the population of zip code 21401?
The population of zip code 21401 is 39,118 with a median age of 45.2.
Is 21401 in Annapolis, Maryland?
Yes, zip code 21401 is in Annapolis, Anne Arundel County, Maryland. The area code is 410.
Frequently Asked Questions
What city is zip code 21401 in?
Zip code 21401 is in Annapolis, Maryland. It is part of Anne Arundel County and uses the Eastern (EST/EDT) timezone.
What is zip code 21401?
Zip code 21401 is a U.S. postal code in Annapolis, Maryland (Anne Arundel County). It has a population of 39,118 and covers 19.8 square miles.
What is the population of zip code 21401?
The population of zip code 21401 (Annapolis, MD) is 39,118 with a median age of 45.2. There are approximately 19,293 housing units in this area.
What is the median income in zip code 21401?
The median household income in zip code 21401 (Annapolis, MD) is $119,296 per year. The cost of living index is 177 (100 = national average).
What is the average home price in zip code 21401?
The median home value in zip code 21401 (Annapolis, MD) is $580,600. The cost of living index is 177 compared to the national average of 100.
What county is zip code 21401 in?
Zip code 21401 is located in Anne Arundel County, Maryland. The primary city is Annapolis.
What is the area code for zip code 21401?
Zip code 21401 in Annapolis, MD uses area code 410. It is located in the Eastern (EST/EDT) timezone.
Is zip code 21401 a good place to live?
Zip code 21401 (Annapolis, MD) has a cost of living index of 177 (100 = national average), a median household income of $119,296, and median home values of $580,600. The median age is 45.2. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 21401?
The cost of living index for zip code 21401 (Annapolis, MD) is 177, where 100 represents the national average. This area is above the national average. Median home value: $580,600.
What schools serve zip code 21401?
Zip code 21401 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.