This table ranks all 20 ZIP codes in the Ashtabula, OH MSA by estimated 2022 population, from highest to lowest.
| # | ZIP Code | Place Name | Population (2022) |
|---|---|---|---|
| 1 | ZIP 44004 | Ashtabula | 31,348 |
| 2 | ZIP 44030 | Conneaut | 16,387 |
| 3 | ZIP 44062 | Middlefield | 16,090 |
| 4 | ZIP 44041 | Geneva | 14,073 |
| 5 | ZIP 44047 | Jefferson | 8,736 |
| 6 | ZIP 44003 | Andover | 4,888 |
| 7 | ZIP 44076 | Orwell | 4,749 |
| 8 | ZIP 44084 | Rock Creek | 3,931 |
| 9 | ZIP 44428 | Kinsman | 3,337 |
| 10 | ZIP 44085 | Rome | 3,334 |
| 11 | ZIP 44048 | Kingsville | 2,465 |
| 12 | ZIP 44099 | Windsor | 2,290 |
| 13 | ZIP 44086 | Thompson | 2,290 |
| 14 | ZIP 44046 | Huntsburg | 2,020 |
| 15 | ZIP 44010 | Austinburg | 1,588 |
| 16 | ZIP 44082 | Pierpont | 1,587 |
| 17 | ZIP 44032 | Dorset | 1,546 |
| 18 | ZIP 44064 | Montville | 1,340 |
| 19 | ZIP 44093 | Williamsfield | 1,007 |
| 20 | ZIP 44068 | North Kingsville | 166 |