Verify addresses in ZIP code 21409. Check deliverability for Arnold, Maryland addresses.
ZIP code 21409 covers 14.0 square miles in Maryland with a population of 20,175. The median household income is $146,667 and median rent is $2,007/month. The area sees average highs of 65°F and lows of 51°F, with 0.0" of annual snowfall. Professional Services forms the backbone of the local economy (76 firms).
Check if an address in ZIP code 21409 is valid and deliverable.
Verify 21409 AddressAverage monthly temperatures and precipitation for Arnold, MD.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg High | 43° | 45° | 53° | 64° | 73° | 82° | 86° | 84° | 77° | 67° | 56° | 47° |
| Avg Low | 30° | 32° | 38° | 47° | 57° | 68° | 72° | 70° | 65° | 52° | 42° | 34° |
| Precip | 2.8" | 2.4" | 3.8" | 3.4" | 3.1" | 4.0" | 4.9" | 4.3" | 5.1" | 4.0" | 3.0" | 3.0" |
| Snow | - | - | - | - | - | - | - | - | - | - | - | - |
| Industry | Establishments |
|---|---|
| Professional, scientific, and technical services | 76 |
| Construction | 48 |
| Retail trade | 28 |
| Other services (except public administration) | 27 |
| Real estate and rental and leasing | 23 |
| Health care and social assistance | 19 |
| Administrative and support and waste management and remediation services | 18 |
| Accommodation and food services | 18 |
| Finance and insurance | 15 |
| Wholesale trade | 13 |
ZIP code 21409 serves Arnold, Maryland. MailColt can verify any address within this ZIP code for deliverability and accuracy.
Approximate location: 39.0184, -76.4425