Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Assumption Senior High School | School | 6 | Assumption | 29 56 48 N | 091 01 37 W |
| Attakapas Canal | Populated Place | 2 | Assumption | 29 53 31 N | 091 05 28 W |
| Attakapas Landing | Populated Place | 1 | Assumption | 29 51 04 N | 091 06 11 W |
| Baker Canal East | Canal | 0 | Assumption | 29 55 12 N | 090 55 04 W |
| Baker Canal North | Canal | 0 | Assumption | 29 58 07 N | 090 58 59 W |
| Baker Canal South | Canal | 2 | Assumption | 29 54 08 N | 090 56 40 W |
| Bay Heron | Bay | 0 | Assumption | 29 50 11 N | 091 03 39 W |
| Bay Marcalite | Bay | 1 | Assumption | 29 49 55 N | 091 03 01 W |
| Bay Sherman | Bay | 0 | Assumption | 29 46 07 N | 091 04 04 W |
| Bay Sylvester | Bay | 0 | Assumption | 29 50 02 N | 091 03 14 W |
| Bayou Alcide | Stream | | Assumption | 29 57 32 N | 091 10 19 W |
| Bayou Caroline | Stream | | Assumption | 29 39 33 N | 091 05 55 W |
| Bayou Choupique | Gut | 1 | Assumption | 30 00 59 N | 091 07 34 W |
| Bayou Corne | Populated Place | 2 | Assumption | 30 00 53 N | 091 09 18 W |
| Bayou Corne | Stream | | Assumption | 30 00 09 N | 091 08 43 W |
| Bayou Crab | Populated Place | 1 | Assumption | 29 52 03 N | 091 04 34 W |
| Bayou Crouix | Gut | 1 | Assumption | 30 00 14 N | 091 09 57 W |
| Bayou Crouix | Stream | | Assumption | 30 03 10 N | 091 08 08 W |
| Bayou Etienne | Stream | | Assumption | 29 51 11 N | 091 03 51 W |
| Bayou Felix | Stream | | Assumption | 29 46 44 N | 091 05 45 W |
| Bayou Gannevait | Stream | | Assumption | 29 49 22 N | 091 06 03 W |
| Bayou Grosbec | Stream | | Assumption | 29 56 46 N | 091 11 27 W |
| Bayou L'Ourse | Stream | | Assumption | 29 41 54 N | 091 05 40 W |
| Bayou Louis | Stream | | Assumption | 29 49 26 N | 091 04 41 W |
| Bayou Magazille | Stream | | Assumption | 29 49 36 N | 091 06 38 W |
| Bayou Morgan City | Stream | | Assumption | 29 45 08 N | 091 02 55 W |
| Bayou Natchez | Stream | | Assumption | 29 57 51 N | 091 12 46 W |
| Bayou Pierre Part | Stream | | Assumption | 29 57 54 N | 091 12 43 W |
| Bayou Saint Vincent | Stream | | Assumption | 29 58 43 N | 091 01 21 W |
| Bayou Saint Vincent Gas Field | Oilfield | 1 | Assumption | 29 57 03 N | 091 09 07 W |
| Bayou Sec | Valley | | Assumption | 29 52 45 N | 090 55 53 W |
| Bayou Sherman | Stream | | Assumption | 29 46 05 N | 091 06 07 W |
| Belle Alliance | Populated Place | 5 | Assumption | 30 03 05 N | 091 01 13 W |
| Belle Alliance Landing Strip | Airport | 5 | Assumption | 30 03 11 N | 091 01 54 W |
| Belle River | Populated Place | 2 | Assumption | 29 53 17 N | 091 12 23 W |
| Belle River Church | Church | 1 | Assumption | 29 54 37 N | 091 12 54 W |
| Belle Rose | Populated Place | 6 | Assumption | 30 03 02 N | 091 02 29 W |
| Belle Rose Middle School | School | 7 | Assumption | 30 03 18 N | 091 02 18 W |
| Belle Rose Plantation (historical) | Locale | 7 | Assumption | 30 03 01 N | 091 02 29 W |
| Belle Rose Post Office | Post Office | 7 | Assumption | 30 03 02 N | 091 02 28 W |
| Belle Rose Primary School | School | 6 | Assumption | 30 02 56 N | 091 02 23 W |
| Belle Terre | Populated Place | 5 | Assumption | 30 04 11 N | 091 00 57 W |
| Belle Wood Plantation (historical) | Locale | 3 | Assumption | 29 54 21 N | 091 03 30 W |
| Bellewood | Populated Place | 2 | Assumption | 29 54 25 N | 091 04 05 W |
| Bertie | Populated Place | 5 | Assumption | 29 55 10 N | 090 59 16 W |
| Boeuf | Populated Place | 1 | Assumption | 29 39 41 N | 091 05 46 W |
| Brule | Populated Place | 3 | Assumption | 29 49 20 N | 090 58 07 W |
| Brulie Maurin | Populated Place | 3 | Assumption | 30 02 45 N | 090 59 18 W |
| Bruly Saint Martin | Populated Place | 3 | Assumption | 30 02 46 N | 091 05 50 W |
| Brusle Saint Vincent | Populated Place | 4 | Assumption | 29 57 36 N | 091 04 13 W |
| Burbank (historical) | Populated Place | 4 | Assumption | 30 03 36 N | 091 02 50 W |
| Cancienne | Populated Place | 3 | Assumption | 29 54 01 N | 091 01 32 W |
| Cancienne Canal | Canal | 1 | Assumption | 29 53 15 N | 091 03 30 W |
| Cane-Air Airport | Airport | 4 | Assumption | 30 03 01 N | 091 04 00 W |
| Canne Church | Church | 6 | Assumption | 29 59 25 N | 091 02 11 W |
| Cedar Grove Plantation | Populated Place | 5 | Assumption | 29 51 31 N | 090 57 50 W |
| Cedar Grove Plantation Pond | Reservoir | 1 | Assumption | 29 52 43 N | 090 55 24 W |
| Cedar Grove Plantation Pond Dam | Dam | 1 | Assumption | 29 52 43 N | 090 55 24 W |
| Christ Baptist Church | Church | 6 | Assumption | 30 01 53 N | 091 02 55 W |
| Christ Cemetery | Cemetery | 6 | Assumption | 30 01 52 N | 091 02 55 W |
| Christ Episcopal Cemetery | Cemetery | 5 | Assumption | 29 56 31 N | 091 01 35 W |
| Christ Episcopal Church | Church | 6 | Assumption | 29 56 32 N | 091 01 33 W |
| Chula | Populated Place | 5 | Assumption | 29 50 34 N | 090 57 19 W |
| Church of the Assumption of the Blessed Virgin | Church | 6 | Assumption | 29 59 27 N | 091 01 25 W |
| Church Spur | Populated Place | 6 | Assumption | 29 58 53 N | 091 01 02 W |
| Coteau Frene | Area | 1 | Assumption | 29 53 09 N | 090 54 07 W |
| Coteau Frene Oil and Gas Field | Oilfield | 1 | Assumption | 29 53 46 N | 090 55 38 W |
| Delia Plantation | Locale | 3 | Assumption | 30 01 14 N | 090 59 50 W |
| District 1 Parish Governing Authority District | Civil | 2 | Assumption | 30 00 37 N | 090 59 05 W |
| District 2 Parish Governing Authority District | Civil | 1 | Assumption | 29 53 37 N | 090 56 42 W |
| District 3 Parish Governing Authority District | Civil | 1 | Assumption | 29 44 52 N | 091 02 25 W |
| District 4 Parish Governing Authority District | Civil | 1 | Assumption | 29 51 13 N | 091 01 54 W |
| District 5 Parish Governing Authority District | Civil | 1 | Assumption | 29 55 01 N | 091 04 57 W |
| District 6 Parish Governing Authority District | Civil | 0 | Assumption | 29 58 40 N | 091 05 40 W |
| District 7 Parish Governing Authority District | Civil | 3 | Assumption | 30 02 23 N | 091 04 52 W |
| District 8 Parish Governing Authority District | Civil | 1 | Assumption | 30 00 13 N | 091 10 58 W |
| District 9 Parish Governing Authority District | Civil | 1 | Assumption | 29 53 45 N | 091 11 09 W |
| Dons Flying Service Airport | Airport | 4 | Assumption | 29 55 51 N | 090 59 19 W |
| Dwight Fields | Populated Place | 1 | Assumption | 29 51 18 N | 091 03 04 W |
| East Lake Palourde Oil and Gas Field | Oilfield | 1 | Assumption | 29 44 13 N | 091 04 51 W |
| East Lake Verret Gas and Oil Field | Oilfield | 1 | Assumption | 29 54 47 N | 091 06 49 W |
| Elm Hall | Populated Place | 3 | Assumption | 29 56 03 N | 091 03 02 W |
| Elm Hall Junction | Populated Place | 4 | Assumption | 29 55 13 N | 091 02 31 W |
| Elmfield | Populated Place | 4 | Assumption | 29 56 13 N | 090 59 43 W |
| Enola | Populated Place | 4 | Assumption | 29 56 33 N | 091 03 09 W |
| Evening Star Cemetery | Cemetery | 3 | Assumption | 29 54 21 N | 091 03 31 W |
| First Bay | Lake | 0 | Assumption | 29 48 58 N | 091 02 09 W |
| Foley | Populated Place | 4 | Assumption | 29 55 24 N | 091 01 29 W |
| Fourmile Bayou | Stream | | Assumption | 29 47 09 N | 091 06 01 W |
| Freetown | Populated Place | 5 | Assumption | 29 51 26 N | 090 58 30 W |
| Freetown | Populated Place | 7 | Assumption | 30 02 45 N | 091 02 33 W |
| Georgia | Populated Place | 2 | Assumption | 29 50 25 N | 090 59 18 W |
| Glenwood | Populated Place | 7 | Assumption | 29 57 06 N | 091 02 37 W |
| Glenwood Canal | Canal | 1 | Assumption | 29 56 45 N | 091 04 36 W |
| Godchaux Canal | Canal | 0 | Assumption | 29 56 07 N | 091 05 34 W |
| Grand Bayou | Populated Place | 1 | Assumption | 30 00 55 N | 091 07 50 W |
| Grand Bayou | Stream | | Assumption | 29 56 41 N | 091 11 16 W |
| Grand Bayou Oil and Gas Field | Oilfield | 1 | Assumption | 30 00 06 N | 091 10 20 W |
| Graveyard Island Oil Field | Oilfield | 0 | Assumption | 29 52 46 N | 091 11 40 W |
| Grosbec Bayou Gas Field | Oilfield | 1 | Assumption | 29 58 12 N | 091 13 06 W |
| Hard Times Plantation | Locale | 2 | Assumption | 29 54 03 N | 091 01 19 W |
| Himalaya | Populated Place | 3 | Assumption | 29 50 58 N | 090 59 50 W |
| Himalaya Canal | Canal | 1 | Assumption | 29 49 56 N | 091 01 37 W |
| Hothman Bayou | Stream | | Assumption | 29 46 00 N | 091 03 32 W |
| Ike Canal | Canal | 0 | Assumption | 29 53 60 N | 091 07 31 W |
| Ingleside | Populated Place | 5 | Assumption | 29 53 54 N | 090 59 15 W |
| Kessler | Populated Place | 6 | Assumption | 30 02 10 N | 091 03 34 W |
| Klotzville | Populated Place | 6 | Assumption | 30 00 56 N | 091 02 48 W |
| Labadieville | Populated Place | 5 | Assumption | 29 50 15 N | 090 57 22 W |
| Labadieville Post Office | Post Office | 5 | Assumption | 29 50 25 N | 090 57 18 W |