 The 2010 United States census reported Hat Creek's population was 309.Hat Creek is located 26 miles (42 km) north of Lassen Park, 13 miles (21 km) southeast of Burney (9 miles (14 km) south of the junction of hwy 89 and 299), and 15 miles (24 km) south of Burney Falls.Its zip code is 96040.