ZIP code 21140
Where is ZIP code 21140?
Riva, Maryland
Anne Arundel County · Standard ZIP code
ZIP code 21140 belongs to Riva, Maryland in Anne Arundel County. 21140 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 4,417 people live in the 21140 area, where the median household income is $170,156. The closest ZIP codes are 21062 (Glen Burnie, 1.7 mi north), 21123 (Pasadena, 1.7 mi north) and 21411 (Annapolis, 1.7 mi north).
| ZIP code | 21140 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Riva |
| State | Maryland (MD) |
| County | Anne Arundel County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 38.9504, -76.5854 map |
| 3-digit prefix | 211 |
Population and income in 21140
| Population | 4,417 · lower than 52% of Maryland ZIP codes |
|---|---|
| People per square mile | 3,117 · higher than 84% of Maryland ZIP codes |
| Median age | 43.6 years · higher than 60% of Maryland ZIP codes |
| Men / women | 52% / 48% |
| Median household income | $170,156 · higher than 89% of Maryland ZIP codes |
| Income per person | $75,559 |
| Below the poverty line | 1.3% |
| Bachelor’s degree or higher | 49% of adults 25+ |
| Median home value | $634,700 · higher than 87% of Maryland ZIP codes |
| Housing units | 1,527 |
| Households | 1,495 (2.95 people on average) |
| Owners / renters | 99% / 1.3% |
| Land area | 1.42 sq mi (plus 0.34 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21140. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21140
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21062 | Glen Burnie, MD | 1.7 mi N | Unique |
| 21123 | Pasadena, MD | 1.7 mi N | PO Box only |
| 21411 | Annapolis, MD | 1.7 mi N | Unique |
| 21412 | Annapolis, MD | 1.7 mi N | Standard |
| 21035 | Davidsonville, MD | 2.9 mi W | Standard |
| 21401 | Annapolis, MD | 3.3 mi NE | Standard |
| 21037 | Edgewater, MD | 3.4 mi SE | Standard |
| 21403 | Annapolis, MD | 5.1 mi E | Standard |
| 21404 | Annapolis, MD | 5.4 mi E | PO Box only |
| 21405 | Annapolis, MD | 5.8 mi N | Standard |
| 21106 | Mayo, MD | 5.9 mi SE | PO Box only |
| 20776 | Harwood, MD | 6.6 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21140 or measure the distance to another ZIP code.
How to address mail to 21140
123 MAIN ST
RIVA MD 21140
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21140-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21140?
- 21140 is a Riva, Maryland ZIP code.
- What county is 21140 in?
- ZIP code 21140 is in Anne Arundel County, Maryland.
- What time zone is ZIP code 21140 in?
- 21140 is in the Eastern Time zone (America/New_York).
- What area code is 21140?
- Phone numbers in ZIP code 21140 use area codes 410, 443 and 667.
- What is the population of ZIP code 21140?
- About 4,417 people live in ZIP code 21140, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21140?
- The median household income in 21140 is $170,156 a year, higher than 89% of Maryland ZIP codes.
- What ZIP codes are near 21140?
- The nearest ZIP codes to 21140 are 21062 (Glen Burnie, 1.7 miles), 21123 (Pasadena, 1.7 miles), 21411 (Annapolis, 1.7 miles) and 21412 (Annapolis, 1.7 miles).