Checked
ZIP Code 21140
Riva, MD, Anne Arundel County
Population
4,417
Land area
1.4sq mi
People per sq mi
3,118
City
Riva
ZIP 21140 and nearby ZIP codes
ZIP 21140 at a glance
- ZIP 21140 (Riva) is about 4.9 times as dense as Maryland as a whole.
- The median household income is $170,156, 64% above the Maryland median of $103,678.
- A typical owner-occupied home is valued at $634,700 (51% above Maryland).
Local data for ZIP 21140
Counts from official public data
Housing and community stats
ZIP 21140, American Community Survey 2020-2024
Median household income
$170,156
Poverty rate
1.3%
Median home value
$634,700
Prices +3.9% in a year
Homeownership
98.7%
Bachelor's or higher
49.3%
Median age
43.6
Average commute
33.9 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
48
ZIP Business Patterns 2023
Employees
253
$12.13M annual payroll
PPP loans
$3.28M
52 loans
Campaign donations
$42.03K
58% D, 14% R, 2026 cycle
Environment and hazard risk
ZIP 21140, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: winter weather
Storm events since 1996
1,387
Countywide, mostly thunderstorm wind
Flood insurance policies
4,442
2.5% of homes, county
July high / Jan low
89° / 29°F
Health statistics
Share of adults in ZIP 21140, CDC PLACES estimates
Obesity
31.5%
U.S. 33.3% -1.8 pts
Diabetes
9.6%
U.S. 12.1% -2.5 pts
Smoking
8.8%
U.S. 12.8% -4.0 pts
Uninsured (18-64)
4.8%
U.S. 11.1% -6.3 pts
Cities in ZIP 21140
ZIP codes near 21140
| Name | Distance | Land area (sq mi) |
|---|---|---|
| 21037Edgewater | 2.7 mi | 16.8 |
| 21035Riva | 3 mi | 31.1 |
| 21401Parole | 3.6 mi | 19.9 |
| 21403Annapolis Neck | 5 mi | 9.3 |
| 21032Crownsville | 5.8 mi | 17.3 |
| 21405Herald Harbor | 6 mi | 1 |
| 20776Queen Anne | 6 mi | 21.6 |
| 21402Naval Academy | 6.7 mi | 1.9 |
| 21114Crofton | 6.7 mi | 5.8 |
| 20716Queen Anne | 7 mi | 11.5 |
| 20765Galesville | 7.5 mi | 0.5 |
| 20778Galesville | 7.6 mi | 7.6 |
Frequently asked questions
- What city is ZIP code 21140?
- ZIP code 21140 is in Riva, MD (Anne Arundel County).
- What county is ZIP code 21140 in?
- ZIP code 21140 is mostly in Anne Arundel County, Maryland.
- How many people live in ZIP code 21140?
- About 4,417 people live in the 21140 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.