Larkfield-Wikiup, California

Larkfield-Wikiup
Location in Sonoma County and the state of California
Coordinates: 38°30′31″N 122°45′11″W / 38.50861°N 122.75306°W / 38.50861; -122.75306
Country United States
State California
CountySonoma
Area
 • Total
5.308 sq mi (13.747 km2)
 • Land5.308 sq mi (13.747 km2)
 • Water0 sq mi (0 km2)  0%
Population
 (2020)
 • Total
8,492
 • Density1,600/sq mi (617.7/km2)
Time zoneUTC-8 (PST)
 • Summer (DST)UTC-7 (PDT)
ZIP code
95403
Area code707
FIPS code06-40426
Websitehttps://www.markwest.org/

Larkfield-Wikiup is a census-designated place, unincorporated area in Sonoma County, California, United States. The population was 8,492 at the 2020 census, down from 8,884 at the 2010 census. It comprises the Mark West area between Santa Rosa (to the south), Windsor (north), Calistoga (east), and Fulton (west). There are at least four schools within the limits of the CDP, including Cardinal Newman High School, John B. Riebli Elementary School, Mark West Elementary, and San Miguel Elementary schools.