The following were living within Middlesex County at the time the 1820 Census was enumerated
Stamped No. (Page) The Hampden 1820 census includes a stamped number on each page
Penned No. (Sheet) The Hampden 1820 census includes a penned number on each sheet
| Stamped No. (Page) | Penned No. (Sheet) | Name | Location |
| 142 | 36 | Jacob Reeves | East Sudbury |
| 142 | 36 | Hervey Reeves | East Sudbury |
Stamped No. (Page) The Hampden 1820 census includes a stamped number on each page
Penned No. (Sheet) The Hampden 1820 census includes a penned number on each sheet