Residential delivery area · Maryland
ZIP Code 21401: Annapolis, MD
ZIP code 21401 uses the postal name Annapolis, Maryland and lies entirely in Anne Arundel County (Census 2020 ZIP-county file). About 39,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Annapolis's 5 residential ZIP codes. Median household income is $123,381 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Parole (49%) and Annapolis (19%), and 7% in smaller places; 26% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Annapolis · 5 residential ZIPs
- County
- Anne Arundel County
- Census places
- Parole (49%) census-designated place; Annapolis (19%)
- Neighborhoods
- Bay View Heights, Baytowne Village, Bloomsbury Square, Greenbriar, Greenbriar Gardens, Heritage and 2 more GeoNames
- Metro area
- Baltimore-Columbia-Towson, MD
- House district
- MD-3 119th Congress
- State
- Maryland
- Time zone
- Eastern
- Land area
- 19.9 sq mi · 1,938 people per sq mi
Where is ZIP code 21401?
21401 centers on 38.988°, -76.553° and covers 19.9 square miles of land plus 2.3 of water. It borders 9 ZIP codes: 21405, 21140, 21032, 21402, 21403, 21037, 21012, 21035, 21409.
The map draws ZIP code areas only. For the streets inside 21401, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 21401 compare with the rest of Annapolis?
| Measure | 21401 | In Annapolis | In Anne Arundel County | In MD |
|---|---|---|---|---|
| People (ACS 2020-2024) | 38,629 | 1st of 5 | 4th of 42 | 49th of 477 |
| Median household income | $123k | 2nd of 3 | 19th of 30 | 113th of 293 |
| Median home value | $601k | 1st of 3 | 9th of 32 | 53rd of 320 |
Its median household income is higher than in 91% of U.S. residential ZIP codes, and it is denser than 84% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 21401?
The 2020 Census counted 39,308 people in 21401; the ACS, which samples households over 2020-2024, estimates 38,629. Between the 2010 and 2020 censuses its population grew 9.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 38,629
- 2020 Census count
- 39,308+9.2% since 2010 (36,012)
- Households
- 17,984
- Median age
- 47.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 21401?
Of the 38,629 people the ACS estimates in 21401, 17.1% are under 18 and 28.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (68.0%), then Black (not Hispanic) (16.1%).
- Under 1817.1%
- 18 to 6454.9%
- 65 and older28.0%
- White, not Hispanic68.0%
- Black, not Hispanic16.1%
- Hispanic or Latino8.1%
- Other or two or more4.2%
- Asian, not Hispanic3.6%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 21401 earn?
Median household income is $123,381 (ACS 2020-2024), the 19th highest of the 30 ranked ZIP codes in Anne Arundel County. It is not measurably different from 2015-2019 ($127,498 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $123,381
- Income per person
- $80,697
- Below the poverty line
- 7.1%
- Unemployed (of the labor force)
- 3.8%
- Adults 25+ with a bachelor's degree
- 61.1%
- Adjusted gross income per tax return, 2022
- $141,05721,170 returns; wages 54% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 21401?
FHFA's house price index for 21401, built from repeat sales and appraisals of the same homes, rose 65% from 2015 to 2025 and rose 46% from 2020 to 2025, and moved +3.2% in 2025.
- Median home value (owners' estimate)
- $601,400
- Median gross rent
- $2,150
- Homes owned by their occupants
- 65.4%
- Housing units
- 19,567
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 21401?
2,837 business establishments had a location in this ZIP code in 2023, 20 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services511
- Retail trade447
- Health care and social assistance386
- Other services (except public administration)274
- Accommodation and food services245
- Finance and insurance228
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 21401?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 21405 | Annapolis | 495 | $161k | 2.8 mi |
| 21140 | Riva | 4,417 | $170k | 3.1 mi |
| 21032 | Crownsville | 8,850 | $169k | 3.9 mi |
| 21402 | Annapolis | 4,303 | $81k | 4.4 mi |
| 21403 | Annapolis | 32,681 | $123k | 4.6 mi |
| 21037 | Edgewater | 20,854 | $146k | 4.8 mi |
| 21012 | Arnold | 22,570 | $139k | 5.1 mi |
| 21035 | Davidsonville | 7,879 | $188k | 5.2 mi |
| 21409 | Annapolis | 20,289 | $147k | 6.3 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.