ZIP code 21401
Where is ZIP code 21401?
Annapolis, Maryland
Anne Arundel County · Standard ZIP code
ZIP code 21401 belongs to Annapolis, Maryland in Anne Arundel County. 21401 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 410, 443 and 667. About 38,629 people live in the 21401 area, where the median household income is $123,381. The closest ZIP codes are 21062 (Glen Burnie, 2.6 mi southwest), 21123 (Pasadena, 2.6 mi southwest) and 21411 (Annapolis, 2.6 mi southwest).
| ZIP code | 21401 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Annapolis |
| Also accepted | Cape Saint Claire, Cpe St Claire |
| State | Maryland (MD) |
| County | Anne Arundel County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 38.9898, -76.5501 map |
| 3-digit prefix | 214 |
Population and income in 21401
| Population | 38,629 · higher than 90% of Maryland ZIP codes |
|---|---|
| People per square mile | 1,938 · higher than 74% of Maryland ZIP codes |
| Median age | 47.7 years · higher than 76% of Maryland ZIP codes |
| Men / women | 47% / 53% |
| Median household income | $123,381 · higher than 64% of Maryland ZIP codes |
| Income per person | $80,697 |
| Below the poverty line | 7.1% |
| Bachelor’s degree or higher | 61% of adults 25+ |
| Median home value | $601,400 · higher than 82% of Maryland ZIP codes |
| Median rent | $2,150 a month |
| Housing units | 19,567 |
| Households | 17,984 (2.09 people on average) |
| Owners / renters | 65% / 35% |
| Land area | 19.93 sq mi (plus 2.27 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21401. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21401
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21062 | Glen Burnie, MD | 2.6 mi SW | Unique |
| 21123 | Pasadena, MD | 2.6 mi SW | PO Box only |
| 21411 | Annapolis, MD | 2.6 mi SW | Unique |
| 21412 | Annapolis, MD | 2.6 mi SW | Standard |
| 21405 | Annapolis, MD | 2.8 mi N | Standard |
| 21404 | Annapolis, MD | 3.2 mi E | PO Box only |
| 21140 | Riva, MD | 3.3 mi SW | Standard |
| 21403 | Annapolis, MD | 4.1 mi SE | Standard |
| 21402 | Annapolis, MD | 4.2 mi E | Standard |
| 21032 | Crownsville, MD | 4.7 mi NW | Standard |
| 21012 | Arnold, MD | 5 mi NE | Standard |
| 21037 | Edgewater, MD | 5.2 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21401 or measure the distance to another ZIP code.
How to address mail to 21401
123 MAIN ST
ANNAPOLIS MD 21401
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts CAPE SAINT CLAIRE and CPE ST CLAIRE as the city name for 21401. Adding the 4-digit ZIP+4 code (21401-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Annapolis, MD
All Annapolis ZIP codes with population and income →
Questions
- What city is ZIP code 21401?
- 21401 is a Annapolis, Maryland ZIP code. Cape Saint Claire and Cpe St Claire are also accepted as the city name.
- What county is 21401 in?
- ZIP code 21401 is in Anne Arundel County, Maryland.
- What time zone is ZIP code 21401 in?
- 21401 is in the Eastern Time zone (America/New_York).
- What area code is 21401?
- Phone numbers in ZIP code 21401 use area codes 410, 443 and 667.
- What is the population of ZIP code 21401?
- About 38,629 people live in ZIP code 21401, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21401?
- The median household income in 21401 is $123,381 a year, higher than 64% of Maryland ZIP codes.
- What ZIP codes are near 21401?
- The nearest ZIP codes to 21401 are 21062 (Glen Burnie, 2.6 miles), 21123 (Pasadena, 2.6 miles), 21411 (Annapolis, 2.6 miles) and 21412 (Annapolis, 2.6 miles).