Romeville, Louisiana should not be confused with Romeoville.
| Official Name: | Romeville, Louisiana |
| Pushpin Map: | Louisiana#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Louisiana |
| Subdivision Type2: | Parish |
| Subdivision Name2: | St. James |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 9.23 |
| Area Land Km2: | 8.40 |
| Area Water Km2: | 0.83 |
| Area Total Sq Mi: | 3.56 |
| Area Land Sq Mi: | 3.25 |
| Area Water Sq Mi: | 0.32 |
| Population As Of: | 2020 |
| Population Total: | 99 |
| Population Density Km2: | 11.78 |
| Population Density Sq Mi: | 30.51 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 23 |
| Coordinates: | 30.0625°N -90.8467°W |
| Area Code: | 225 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1628069 |
Romeville is an unincorporated community and census-designated place in St. James Parish, Louisiana, United States. Its population was 130 as of the 2010 census.[2] The community is located along Louisiana Highway 44 on the east bank of the Mississippi River.
According to the U.S. Census Bureau, the community has an area of ; of its area is land, and is water.[2]
| White alone (NH) | 21 | style='background: #ffffe6; | 18 | 16.15% | style='background: #ffffe6; | 18.18% | |
| Black or African American alone (NH) | 109 | style='background: #ffffe6; | 74 | 83.85% | style='background: #ffffe6; | 74.75% | |
| Native American or Alaska Native alone (NH) | 0 | style='background: #ffffe6; | 2 | 0.00% | style='background: #ffffe6; | 2.02% | |
| Asian alone (NH) | 0 | style='background: #ffffe6; | 0 | 0.00% | style='background: #ffffe6; | 0.00% | |
| Pacific Islander alone (NH) | 0 | style='background: #ffffe6; | 0 | 0.00% | style='background: #ffffe6; | 0.00% | |
| Some Other Race alone (NH) | 0 | style='background: #ffffe6; | 0 | 0.00% | style='background: #ffffe6; | 0.00% | |
| Mixed Race or Multi-Racial (NH) | 0 | style='background: #ffffe6; | 4 | 0.00% | style='background: #ffffe6; | 4.04% | |
| Hispanic or Latino (any race) | 0 | style='background: #ffffe6; | 1 | 0.00% | style='background: #ffffe6; | 1.01% | |
| Total | 130 | style='background: #ffffe6; | 99 | 100.00% | style='background: #ffffe6; | 100.00% |
In 2020, its population was 99, down from 130 in 2010.