Big Thicket Lake Estates is located along the southern border of Polk County and the northern border of Liberty County at 30°29′15″N94°46′4″W / 30.48750°N 94.76778°W / 30.48750; -94.76778 (30.487388, -94.767885). The CDP has a total area of 2.5 square miles (6.5 km2), of which 2.4 square miles (6.1 km2) are land and 0.2 square miles (0.5 km2), or 7.39%, are water.[1] It is a residential community built around several artificial lakes, the largest of which is Bear Foot Lake, a reservoir built on Mill Creek, a tributary of Menard Creek and then the Trinity River.
^Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of any race.[4]