Yolo County is located in the northern part of the U.S. state of California, bordered by the counties of Sacramento, Solano, Napa, Lake, Colusa, and Sutter. Woodland is the county seat. According to the U.S. Census Bureau, the county has a total area of 2,649 km² (1,023 mi²). 2,624 km² (1,013 mi²) of it is land and 25 km² (10 mi²) of it is water. The total area is 0.94% water. As of the census2 of 2000, there were 168,660 people, 59,375 households, and 37,465 families residing in the county. The population density was 64/km² (166/mi²). There were 61,587 housing units at an average density of 23/km² (61/mi²). The racial makeup of the county was 67.67% White, 2.03% Black or African American, 1.16% Native American, 9.85% Asian, 0.30% Pacific Islander, 13.76% from other races, and 5.23% from two or more races. 25.91% of the population were Hispanic or Latino of any race.