Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| District 3 Supervisor District | Civil | 85 | Copiah | 31 49 42 N | 090 28 14 W |
| District 3 Supervisor District | Civil | 90 | Covington | 31 39 09 N | 089 34 46 W |
| District 3 Supervisor District | Civil | 85 | DeSoto | 34 57 25 N | 090 05 03 W |
| District 3 Supervisor District | Civil | 44 | Forrest | 31 19 25 N | 089 14 45 W |
| District 3 Supervisor District | Civil | 88 | Franklin | 31 28 29 N | 090 51 51 W |
| District 3 Supervisor District | Civil | 30 | George | 30 51 15 N | 088 37 25 W |
| District 3 Supervisor District | Civil | 70 | Greene | 31 18 29 N | 088 45 46 W |
| District 3 Supervisor District | Civil | 62 | Grenada | 33 47 48 N | 089 45 25 W |
| District 3 Supervisor District | Civil | 19 | Hancock | 30 26 37 N | 089 22 00 W |
| District 3 Supervisor District | Civil | 6 | Harrison | 30 22 02 N | 089 10 35 W |
| District 3 Supervisor District | Civil | 115 | Hinds | 32 15 11 N | 090 16 40 W |
| District 3 Supervisor District | Civil | 96 | Holmes | 32 57 08 N | 089 59 09 W |
| District 3 Supervisor District | Civil | 32 | Humphreys | 33 03 54 N | 090 29 43 W |
| District 3 Supervisor District | Civil | 30 | Issaquena | 32 53 38 N | 091 01 50 W |
| District 3 Supervisor District | Civil | 100 | Itawamba | 34 12 43 N | 088 28 11 W |
| District 3 Supervisor District | Civil | 3 | Jackson | 30 21 35 N | 088 31 46 W |
| District 3 Supervisor District | Civil | 106 | Jasper | 32 03 18 N | 089 14 18 W |
| District 3 Supervisor District | Civil | 79 | Jefferson | 31 42 07 N | 091 04 20 W |
| District 3 Supervisor District | Civil | 111 | Jefferson Davis | 31 30 06 N | 089 42 05 W |
| District 3 Supervisor District | Civil | 79 | Jones | 31 41 22 N | 089 03 34 W |
| District 3 Supervisor District | Civil | 174 | Kemper | 32 40 51 N | 088 49 29 W |
| District 3 Supervisor District | Civil | 102 | Lafayette | 34 27 24 N | 089 33 32 W |
| District 3 Supervisor District | Civil | 99 | Lamar | 31 08 04 N | 089 28 40 W |
| District 3 Supervisor District | Civil | 95 | Lauderdale | 32 24 30 N | 088 45 46 W |
| District 3 Supervisor District | Civil | 101 | Lawrence | 31 29 01 N | 090 07 27 W |
| District 3 Supervisor District | Civil | 123 | Leake | 32 45 59 N | 089 37 30 W |
| District 3 Supervisor District | Civil | 99 | Lee | 34 16 28 N | 088 42 48 W |
| District 3 Supervisor District | Civil | 40 | Leflore | 33 32 13 N | 090 13 08 W |
| District 3 Supervisor District | Civil | 117 | Lincoln | 31 28 23 N | 090 25 34 W |
| District 3 Supervisor District | Civil | 58 | Lowndes | 33 28 49 N | 088 21 14 W |