
Oak Island
- County:
- Chambers County
- County Seat:
- No
- Area (mi²):
- 1.201
- State:
- Texas
Oak Island is a CDP located in Chambers County, Texas. Oak Island has a 2025 population of 229. Oak Island is currently declining at a rate of -3.78% annually and its population has decreased by -31.44% since the most recent census, which recorded a population of 334 in 2020.
The average household income in Oak Island is $50,776 with a poverty rate of 48.75%. The median age in Oak Island is 67.3 years: 50.5 years for males, and 70.4 years for females.