Meridian is a census-designated place (CDP) in Sutter County, California.

According to the United States Census Bureau, the CDP covers an area of 5.3 square miles (13.7 km2), all of it land.

35 households (24.0%) were made up of individuals, and 17 (11.6%) had someone living alone who was 65 years of age or older.

There were 161 housing units at an average density of 30.4 per square mile (11.7/km2), of which 99 (67.8%) were owner-occupied, and 47 (32.2%) were occupied by renters.

Federally, Meridian is in California's 3rd congressional district, represented by Republican Kevin Kiley.