Verify addresses in ZIP code 21030. Check deliverability for Cockeysville, Maryland addresses.
ZIP code 21030 covers 24.0 square miles in Maryland with a population of 25,312. The median household income is $97,875 and median rent is $1,600/month. The area sees average highs of 65°F and lows of 47°F, with 0.0" of annual snowfall. With 130 establishments, Professional Services is the dominant industry.
Check if an address in ZIP code 21030 is valid and deliverable.
Verify 21030 AddressAverage monthly temperatures and precipitation for Cockeysville, MD.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg High | 42° | 46° | 54° | 66° | 73° | 82° | 86° | 84° | 77° | 66° | 56° | 46° |
| Avg Low | 27° | 28° | 34° | 45° | 54° | 64° | 69° | 67° | 60° | 48° | 39° | 32° |
| Precip | - | - | - | - | - | - | - | - | - | - | - | - |
| Snow | - | - | - | - | - | - | - | - | - | - | - | - |
| Industry | Establishments |
|---|---|
| Professional, scientific, and technical services | 130 |
| Retail trade | 127 |
| Finance and insurance | 120 |
| Other services (except public administration) | 92 |
| Accommodation and food services | 90 |
| Construction | 87 |
| Health care and social assistance | 76 |
| Administrative and support and waste management and remediation services | 68 |
| Real estate and rental and leasing | 52 |
| Manufacturing | 32 |
ZIP code 21030 serves Cockeysville, Maryland. MailColt can verify any address within this ZIP code for deliverability and accuracy.
Approximate location: 39.5158, -76.6988