Sattley, formerly known as Church's Corners, is a census-designated place in Sierra County, California, United States. Sattley is located on California State Route 49 and California State Route 89 southwest of Loyalton. According to the Sattley-Sierraville community association, it was named after resident Harriet Sattley Church. The community board also states that the town was founded in 1881 by Eric Amen, a wealthy prospector. The post office in Sattley opened in 1884.
As of the 2020 census, Sattley had a population of 44.
According to the United States Census Bureau, the CDP covers an area of 2.0 square miles (5.3 km), 99.91% of it land and 0.09% of it water.
The 2020 United States census reported that Sattley had a population of 44. The population density was . The racial makeup of Sattley was 39 (89%) White, and 5 (11%) from two or more races. Hispanic or Latino of any race were 2 persons (5%).
There were 27 households, and the average household size was 1.63.
The age distribution was 8 people (18%) under the age of 18, 7 people (16%) aged 18 to 24, 8 people (18%) aged 25 to 44, 13 people (30%) aged 45 to 64, and 8 people (18%) who were 65years of age or older. The median age was 39.0years. There were 18 males and 26 females.
There were 30 housing units at an average density of , of which 27 (90%) were occupied. Of these, 13 (48%) were owner-occupied, and 14 (52%) were occupied by renters.
In the state legislature, Sattley is in , and .
Federally, Sattley is in .