| Official Name: | Oak Island, Texas |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Texas |
| Pushpin Label: | Oak Island |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Texas |
| Subdivision Type2: | County |
| Subdivision Name2: | Chambers |
| Unit Pref: | Imperial |
| Area Total Km2: | 3.11 |
| Area Land Km2: | 3.11 |
| Area Water Km2: | 0.0 |
| Population As Of: | 2020 |
| Population Total: | 371 |
| Population Density Km2: | 116.7 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 8 |
| Coordinates: | 29.6617°N -94.6897°W |
| Postal Code Type: | ZIP code |
| Area Code: | 409 |
| Blank Name: | FIPS code |
| Blank Info: | 48-53004 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1342993 |
Oak Island is an unincorporated community and census-designated place (CDP) in Chambers County, Texas, United States. The population was 371 at the 2020 census.[1]
Oak Island is located on the eastern shore of Trinity Bay, near the geographic center of Chambers County. It is 8miles south of Anahuac, the Chambers County seat.
According to the United States Census Bureau, the Oak Island CDP has a total area of 3.11km2, all land.[1]
| White (NH) | 201 | 54.18% | |
| Black or African American (NH) | 9 | 2.43% | |
| Asian (NH) | 73 | 19.68% | |
| Some Other Race (NH) | 1 | 0.27% | |
| Mixed/Multi-Racial (NH) | 16 | 4.31% | |
| Hispanic or Latino | 71 | 19.14% | |
| Total | 371 |
On September 13, 2008, Hurricane Ike rendered about 90% of the community's homes uninhabitable.[3]
Anahuac Independent School District operates schools in the area.