Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Pleasant Point Plantation (historical) | Locale | 5 | Ascension | 30 06 56 N | 090 55 37 W |
| Point Houmas | Cape | 6 | Ascension | 30 07 29 N | 090 56 02 W |
| Point Houmas Landing | Locale | 2 | Ascension | 30 07 37 N | 090 56 36 W |
| Point Houmas Plantation (historical) | Locale | 6 | Ascension | 30 07 46 N | 090 56 00 W |
| Prairieville | Populated Place | 7 | Ascension | 30 18 11 N | 090 58 19 W |
| Prairieville Elementary School | School | 6 | Ascension | 30 18 17 N | 090 57 18 W |
| Prairieville Park | Park | 6 | Ascension | 30 17 58 N | 090 57 42 W |
| Prairieville Post Office | Post Office | 7 | Ascension | 30 17 54 N | 090 58 06 W |
| Prevost Memorial Hospital | Hospital | 5 | Ascension | 30 05 20 N | 091 00 10 W |
| Prevost Memorial Hospital Heliport | Airport | 5 | Ascension | 30 05 21 N | 091 00 08 W |
| Progress Church | Church | 4 | Ascension | 30 15 16 N | 091 00 10 W |
| Rearwood (historical) | Populated Place | 4 | Ascension | 30 10 11 N | 090 57 28 W |
| Richardson Cemetery | Cemetery | 2 | Ascension | 30 12 32 N | 090 50 24 W |
| Riverton Plantation | Locale | 4 | Ascension | 30 08 56 N | 090 56 52 W |
| Riverview Medical Center | Hospital | 3 | Ascension | 30 12 36 N | 090 55 52 W |
| Riverview Medical Center Heliport | Airport | 3 | Ascension | 30 12 15 N | 090 55 55 W |
| Rocky Canal | Canal | 2 | Ascension | 30 08 30 N | 091 05 09 W |
| Roddy Bayou | Stream | | Ascension | 30 19 40 N | 090 53 02 W |
| Sacred Heart of Mary Spiritual Church of Christ | Church | 4 | Ascension | 30 13 59 N | 090 59 37 W |
| Saint Amant | Populated Place | 2 | Ascension | 30 13 29 N | 090 52 08 W |
| Saint Amant High School | School | 2 | Ascension | 30 14 31 N | 090 52 17 W |
| Saint Amant Middle School | School | 3 | Ascension | 30 13 23 N | 090 51 34 W |
| Saint Amant Post Office | Post Office | 2 | Ascension | 30 13 26 N | 090 51 14 W |
| Saint Amant Primary School | School | 2 | Ascension | 30 13 21 N | 090 51 33 W |
| Saint Amant Swamp | Swamp | 0 | Ascension | 30 19 42 N | 090 51 46 W |
| Saint Ann Chapel | Church | 2 | Ascension | 30 10 44 N | 090 51 51 W |
| Saint Catherine Catholic Church | Church | 6 | Ascension | 30 06 05 N | 090 59 13 W |
| Saint Catherine School | School | 6 | Ascension | 30 05 52 N | 090 59 15 W |
| Saint Elmo | Populated Place | 6 | Ascension | 30 07 12 N | 090 57 38 W |
| Saint Elmo Revetment | Levee | 2 | Ascension | 30 06 46 N | 090 58 08 W |
| Saint Francis of Assisi Catholic Church | Church | 7 | Ascension | 30 06 09 N | 090 59 48 W |
| Saint Gregorys Episcopal Church | Church | 3 | Ascension | 30 14 52 N | 090 55 24 W |
| Saint James Lutheran Church | Church | 3 | Ascension | 30 12 39 N | 090 54 20 W |
| Saint John the Evangelist Church | Church | 8 | Ascension | 30 17 27 N | 090 58 36 W |
| Saint John the Evangelist School | School | 7 | Ascension | 30 17 26 N | 090 57 37 W |
| Saint Joseph Church | Church | 5 | Ascension | 30 05 13 N | 091 03 17 W |
| Saint Landry Cemetery | Cemetery | 4 | Ascension | 30 12 10 N | 090 57 15 W |
| Saint Landry United Methodist Church | Church | 4 | Ascension | 30 12 13 N | 090 57 14 W |
| Saint Mark Catholic Church | Church | 4 | Ascension | 30 16 08 N | 090 54 13 W |
| Saint Mary Church | Church | 7 | Ascension | 30 12 03 N | 091 03 02 W |
| Saint Marys Cemetery | Cemetery | 7 | Ascension | 30 12 02 N | 091 03 00 W |
| Saint Paul Baptist Church | Church | 3 | Ascension | 30 13 29 N | 090 57 03 W |
| Saint Paul Cemetery | Cemetery | 3 | Ascension | 30 13 29 N | 090 57 03 W |
| Saint Paul Church | Church | 6 | Ascension | 30 17 02 N | 090 57 32 W |
| Saint Peter Baptist Church | Church | 1 | Ascension | 30 12 36 N | 090 52 41 W |
| Saint Peter Cemetery | Cemetery | 1 | Ascension | 30 12 38 N | 090 52 41 W |
| Saint Peters Methodist Church | Church | 7 | Ascension | 30 06 13 N | 090 59 26 W |
| Saint Phillip Cemetery | Cemetery | 7 | Ascension | 30 10 33 N | 091 01 07 W |
| Saint Phillip Church | Church | 7 | Ascension | 30 10 35 N | 091 01 06 W |
| Saint Theresa of Avila Catholic Cemetery | Cemetery | 3 | Ascension | 30 14 31 N | 090 55 13 W |
| Saint Theresa of Avila Catholic Church | Church | 3 | Ascension | 30 14 26 N | 090 55 12 W |
| Saint Theresa of Avila Catholic School | School | 3 | Ascension | 30 14 27 N | 090 55 09 W |
| Saveiro Canal | Canal | 0 | Ascension | 30 13 20 N | 090 47 29 W |
| Second Mount Olive Baptist Church | Church | 6 | Ascension | 30 06 27 N | 091 00 30 W |
| Seles Point | Flat | 2 | Ascension | 30 15 20 N | 090 50 08 W |
| Seventh Day Adventist Church | Church | 3 | Ascension | 30 13 58 N | 090 55 09 W |
| Shiloh Cemetery | Cemetery | 2 | Ascension | 30 20 14 N | 090 52 00 W |
| Shiloh Church | Church | 5 | Ascension | 30 20 17 N | 090 52 02 W |
| Sides Bayou | Stream | | Ascension | 30 17 58 N | 090 53 55 W |
| Smith Bayou | Stream | | Ascension | 30 13 59 N | 090 56 45 W |
| Smoke Bend | Populated Place | 6 | Ascension | 30 06 31 N | 091 01 13 W |
| Smoke Bend Revetment | Levee | 2 | Ascension | 30 06 39 N | 091 00 58 W |
| Sorrento | Populated Place | 2 | Ascension | 30 11 04 N | 090 51 33 W |
| Sorrento Gas and Oil Field | Oilfield | 0 | Ascension | 30 10 44 N | 090 47 27 W |
| South Side Church of Christ | Church | 3 | Ascension | 30 13 05 N | 090 55 24 W |
| Southside Church of Christ | Church | 3 | Ascension | 30 13 05 N | 090 55 25 W |
| Southwood | Populated Place | 6 | Ascension | 30 13 09 N | 091 02 57 W |
| Southwood Park | Park | 4 | Ascension | 30 16 49 N | 090 58 22 W |
| Spartan Stadium | Park | 3 | Ascension | 30 14 08 N | 090 55 17 W |
| Stella Landing | Locale | 2 | Ascension | 30 06 09 N | 090 57 46 W |
| Stevens Park | Park | 2 | Ascension | 30 15 23 N | 090 52 45 W |
| Summerfield | Populated Place | 4 | Ascension | 30 19 26 N | 090 50 27 W |
| Tee Joe Gonzales Museum | Building | 3 | Ascension | 30 14 18 N | 090 54 58 W |
| The Church of Jesus Christ of Latter Day Saints | Church | 3 | Ascension | 30 12 42 N | 090 54 58 W |
| The Mall on Burnside Shopping Center | Locale | 3 | Ascension | 30 14 39 N | 090 55 12 W |
| Truelight Baptist Church | Church | 6 | Ascension | 30 17 56 N | 090 57 37 W |
| Truelight Church | Church | 6 | Ascension | 30 17 56 N | 090 57 37 W |
| Union Texas Petroleum Heliport | Airport | 4 | Ascension | 30 14 20 N | 091 03 13 W |
| Universal Church | Church | 12 | Ascension | 30 17 57 N | 090 57 22 W |
| Vencor Hospital | Hospital | 3 | Ascension | 30 13 28 N | 090 54 53 W |
| Wade Hampton Post Light | Locale | 15 | Ascension | 30 08 01 N | 090 57 00 W |
| Wall Cemetery | Cemetery | 4 | Ascension | 30 18 28 N | 090 50 43 W |
| Ward Eight | Civil | 11 | Ascension | 30 17 43 N | 090 58 17 W |
| Ward Five | Civil | 3 | Ascension | 30 09 03 N | 090 57 00 W |
| Ward Four | Civil | 5 | Ascension | 30 05 30 N | 090 59 25 W |
| Ward Nine | Civil | 5 | Ascension | 30 18 56 N | 090 53 43 W |
| Ward One | Civil | 7 | Ascension | 30 07 03 N | 091 00 59 W |
| Ward Seven | Civil | 3 | Ascension | 30 14 12 N | 090 55 09 W |
| Ward Six | Civil | 5 | Ascension | 30 13 09 N | 091 00 16 W |
| Ward Ten | Civil | 2 | Ascension | 30 13 32 N | 090 51 24 W |
| Ward Three | Civil | 6 | Ascension | 30 06 03 N | 090 59 21 W |
| Ward Two | Civil | 9 | Ascension | 30 05 39 N | 091 01 46 W |
| Weber City | Populated Place | 2 | Ascension | 30 13 46 N | 090 53 20 W |
| Welsh Gully | Stream | | Ascension | 30 20 42 N | 090 57 33 W |
| Willow Grove Landing | Locale | 2 | Ascension | 30 09 41 N | 090 59 49 W |
| Woodstock Landing | Locale | 5 | Ascension | 30 10 19 N | 091 00 08 W |
| WSLG Radio Towers | Tower | 5 | Ascension | 30 15 13 N | 090 56 37 W |
| WSLG-AM (Gonzales) | Tower | 5 | Ascension | 30 15 15 N | 090 56 38 W |
| Albemarle | Populated Place | 4 | Assumption | 29 52 58 N | 090 58 29 W |
| Alligator Bayou | Stream | | Assumption | 29 37 40 N | 091 04 35 W |
| Amehe (historical) | Populated Place | 4 | Assumption | 30 00 06 N | 091 04 33 W |
| Amelia Airport | Airport | 1 | Assumption | 29 41 07 N | 091 05 34 W |
| Amelia Base Heliport | Airport | 2 | Assumption | 29 40 06 N | 091 05 48 W |
| Amelia Gas Field | Oilfield | 1 | Assumption | 29 42 30 N | 091 02 10 W |
| Armelise Canal | Canal | 1 | Assumption | 29 59 22 N | 091 06 07 W |
| Assumption General Heliport | Airport | 5 | Assumption | 29 57 26 N | 091 02 01 W |
| Assumption General Hospital | Hospital | 5 | Assumption | 29 57 23 N | 091 02 01 W |
| Assumption Middle Magnet School | School | 6 | Assumption | 29 56 46 N | 091 01 34 W |
| Assumption Parish | Civil | 1 | Assumption | 29 52 33 N | 091 05 00 W |
| Assumption Parish Courthouse | Building | 6 | Assumption | 29 56 29 N | 091 01 28 W |