Yolo County, California

Yolo County, California
County of Yolo
Images, from top down, left to right: The former Yolo County Courthouse in Woodland, The Ziggurat in West Sacramento, Mondavi Center on the UC Davis campus, Downtown Winters, Canada Geese at the Yolo Bypass Wildlife Area
Interactive map of Yolo County
Location in the state of California
Coordinates: 38°33′14″N 121°44′17″W / 38.55389°N 121.73806°W / 38.55389; -121.73806
CountryUnited States
StateCalifornia
RegionSacramento Valley
CSAGreater Sacramento
IncorporatedFebruary 18, 1850
County seatWoodland
Largest cityDavis (population)
West Sacramento (area)
Government
  TypeCouncil–CAO
  BodyBoard of Supervisors
  ChairMary Vixie Sandy
  Vice ChairSheila Allen
  Board of Supervisors
Supervisors
  • Oscar Villegas
  • Lucas Frerichs
  • Mary Vixie Sandy
  • Sheila Allen
  • Angel Barajas
  Chief Administrative OfficerGerardo Pinedo
Area
  Total
1,024 sq mi (2,650 km2)
  Land1,015 sq mi (2,630 km2)
  Water8.9 sq mi (23 km2)
Highest elevation
3,123 ft (952 m)
Population
 (2020)
  Total
216,403
  Density210/sq mi (82/km2)
GDP
  Total$18.735 billion (2022)
Time zoneUTC-8 (Pacific Time Zone)
  Summer (DST)UTC-7 (Pacific Daylight Time)
Area codes530, 916, 279
FIPS code06-113
GNIS feature ID277321
Congressional districts4th, 7th
Websitewww.yolocounty.org

Yolo County (/ˈjl/ ; Wintun: Yo-loy), officially the County of Yolo, is a county located in the northern portion of the U.S. state of California. Yolo County was one of the original counties of California, created in 1850 at the time of statehood. As of the 2020 census, its population was 216,403. Its county seat is Woodland. Yolo County is included in the greater Sacramento metropolitan area in the Sacramento Valley.