This table ranks all 17 ZIP codes in the Marion, IN MSA by estimated 2022 population, from highest to lowest.
| # | ZIP Code | Place Name | Population (2022) |
|---|---|---|---|
| 1 | ZIP 46953 | Marion | 23,334 |
| 2 | ZIP 46952 | Marion | 18,101 |
| 3 | ZIP 46036 | Elwood | 11,392 |
| 4 | ZIP 47348 | Hartford City | 9,110 |
| 5 | ZIP 46933 | Gas City | 6,417 |
| 6 | ZIP 46989 | Upland | 5,621 |
| 7 | ZIP 46928 | Fairmount | 4,710 |
| 8 | ZIP 46940 | La Fontaine | 2,821 |
| 9 | ZIP 46938 | Jonesboro | 2,385 |
| 10 | ZIP 46070 | Summitville | 2,335 |
| 11 | ZIP 47342 | Gaston | 2,316 |
| 12 | ZIP 46991 | Van Buren | 1,879 |
| 13 | ZIP 46986 | Swayzee | 1,671 |
| 14 | ZIP 46919 | Converse | 1,527 |
| 15 | ZIP 46987 | Sweetser | 1,053 |
| 16 | ZIP 46957 | Matthews | 407 |
| 17 | ZIP 46930 | Fowlerton | 219 |