Star Harbor is a city in Henderson County, Texas, United States. The population was 482 at the 2020 census. Star Harbor is located in wes…Star Harbor is a city in Henderson County, Texas, United States. The population was 482 at the 2020 census. Star Harbor is located in western Henderson County at the south end of Cedar Creek Reservoir. The city occupies a peninsula on the east side of the lake, half a mile north of the lake's dam. The main body of the lake is to the south, west, and north of the city, while the lake arm formed by Caney Creek is to the northeast. Star Harbor is 4 miles northwest of Malakoff and 13 miles west of Athens, the Henderson county seat.