01824 vs 01851 ZIP Codes
Chelmsford, MA · Lowell, MA
| Metric | 01824 | 01851 |
|---|---|---|
| City | Chelmsford | Lowell |
| County | Middlesex | Middlesex |
| State | Massachusetts | Massachusetts |
| Time zone | Eastern Time | Eastern Time |
| Population | 24,911 | 30,190 |
Demographic figures come from U.S. Census Bureau / ACS data included in the source ZIP dataset; many ZIP codes have no demographic figures in that dataset.