Verify addresses in ZIP code 21140. Check deliverability for Riva, Maryland addresses.
ZIP code 21140 covers 1.4 square miles in Maryland with a population of 4,231. The median household income is $152,188 and median rent is $2,071/month. The area sees average highs of 67°F and lows of 50°F, with 0.0" of annual snowfall. With 9 establishments, Construction is the dominant industry.
Check if an address in ZIP code 21140 is valid and deliverable.
Verify 21140 AddressAverage monthly temperatures and precipitation for Riva, MD.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg High | 44° | 48° | 55° | 68° | 77° | 85° | 89° | 86° | 80° | 68° | 58° | 48° |
| Avg Low | 29° | 31° | 38° | 48° | 57° | 67° | 71° | 70° | 64° | 52° | 41° | 34° |
| Precip | - | - | - | - | - | - | - | - | - | - | - | - |
| Snow | - | - | - | - | - | - | - | - | - | - | - | - |
| Industry | Establishments |
|---|---|
| Construction | 9 |
| Real estate and rental and leasing | 7 |
| Professional, scientific, and technical services | 6 |
| Administrative and support and waste management and remediation services | 5 |
| Health care and social assistance | 5 |
| Wholesale trade | 3 |
ZIP code 21140 serves Riva, Maryland. MailColt can verify any address within this ZIP code for deliverability and accuracy.
Approximate location: 38.9508, -76.5867