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Yolo County, California
County of Yolo
YoloCourthouse.jpg
Sacramento-river-bank-pyramid-20.4.jpg
UC Davis Mondavi Center.jpg
Winters.jpg
Smaller canada-geese-and-skyline.jpg
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
Flag of Yolo County, California
Flag
Official seal of Yolo County, California
Seal
Location in the state of California
Location in the state of California
Country United States
State California
Region Sacramento Valley
CSA Greater Sacramento
Incorporated February 18, 1850
County seat Woodland
Largest city Davis (population)
West Sacramento (area)
Government
 • Type Council–CAO
 • Body Board of Supervisors
Area
 • Total 1,024 sq mi (2,650 km2)
 • Land 1,015 sq mi (2,630 km2)
 • Water 8.9 sq mi (23 km2)
Highest elevation
3,123 ft (952 m)
Population
 (2020)
 • Total 216,403
 • Density 211.33/sq mi (81.60/km2)
Time zone UTC-8 (Pacific Time Zone)
 • Summer (DST) UTC-7 (Pacific Daylight Time)
Area codes 530, 916, 279
FIPS code 06-113
GNIS feature ID 277321
Congressional districts 4th, 7th

Yolo County is a county in the northern part of California. It's officially called the County of Yolo. Yolo County was one of the very first counties in California. It was created in 1850 when California became a state.

In 2020, about 216,403 people lived here. The main city, or county seat, is Woodland. Yolo County is part of the larger Greater Sacramento area. It is located in the Sacramento Valley.

What's in a Name?

The name "Yolo" comes from the Patwin Native American people. Some believe it comes from the word Yo-loy, which means "a place with lots of rushes" (a type of plant). Others think it's from the village of Yodoi or the name of its chief, Yodo.

A Look Back: Yolo County History

Yolo County has a long history. It was one of the first counties created in California. This happened in 1850, the same year California joined the United States.

Exploring Yolo County's Geography

Aerial view of Watts-Woodland Airport and surrounding area
Aerial view of Watts Woodland Airport and surrounding area

Yolo County covers a total area of about 1,024 square miles. Most of this area, about 1,015 square miles, is land. The rest, about 8.9 square miles, is water.

Neighboring Counties

Yolo County shares its borders with several other counties:

Getting Around Yolo County

There are many ways to travel in and around Yolo County.

Main Roads

Several major highways pass through Yolo County, making it easy to get to other parts of California.

  • I-5
  • I-80
  • I-80 Bus.
  • US 50
  • I-505
  • SR 16
  • SR 45
  • SR 84
  • SR 113
  • SR 128

County Roads

Yolo County has a special system for naming its local roads. They are called "County Roads" and have numbers.

  • Roads that go north and south have numbers from 41 to 117. These numbers get higher as you go from west to east.
  • Roads that go east and west have numbers from 1 to 38A, and then from 151 to 161. These numbers get higher as you go from north to south.

Usually, each number means the roads are about 1 mile apart. Sometimes, letters are added (like 38A) for roads that are closer together. When these county roads enter a city, their names often change. For example, County Road 101 in Woodland becomes Pioneer Avenue.

Public Transportation

You can get around Yolo County and to nearby cities using public transport.

  • Yolobus runs buses throughout Yolo County. They also go to Sacramento and the Sacramento International Airport.
  • The University of California, Davis and the city of Davis work together to run Unitrans. This is a bus service for both the city and the university campus.
  • Fairfield-Suisun Transit also has a bus line that stops in Davis. It travels between Fairfield and Sacramento.
  • Amtrak has a train station in Davis.

Airports

There are several airports in Yolo County:

  • Yolo County Airport
  • University Airport
  • Borges–Clarksburg Airport
  • Watts–Woodland Airport

The Port of West Sacramento

The Port of Sacramento is now known as the Port of West Sacramento. It's an inland port located in West Sacramento, California. This port is about 79 miles northeast of San Francisco. It's in the middle of the California Central Valley, which is a very rich farming area.

Who Lives Here? Yolo County's Population

Historical population
Census Pop.
1850 1,086
1860 4,716 334.3%
1870 9,899 109.9%
1880 11,772 18.9%
1890 12,684 7.7%
1900 13,618 7.4%
1910 13,926 2.3%
1920 17,105 22.8%
1930 23,644 38.2%
1940 27,243 15.2%
1950 40,640 49.2%
1960 65,727 61.7%
1970 91,788 39.7%
1980 113,374 23.5%
1990 141,092 24.4%
2000 168,660 19.5%
2010 200,849 19.1%
2020 216,403 7.7%
2023 (est.) 220,544 9.8%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010 2020

In 2020, Yolo County had a population of 216,403 people. The county is home to a diverse mix of people. About 43.4% of the population was White (not Hispanic). About 33.1% of the people were Hispanic or Latino. Other groups included Asian (13.8%), Black or African American (2.6%), and people of two or more races (5.5%).

Back in 2000, there were 168,660 people living in the county. The average household had about 2.71 people. The median age was 30 years old. This means half the people were younger than 30, and half were older.

Learning in Yolo County

Yolo County has good schools and colleges.

Public Schools

The public schools in the county are managed by the Yolo County Office of Education.

Colleges and Universities

For higher education, students can attend:

Communities in Yolo County

Water Tower, UC Davis(cropped)
Water tower at University of California, Davis

Yolo County has several cities and smaller communities.

Cities

Census-Designated Places (CDPs)

These are areas that are like towns but are not officially incorporated as cities.

Other Communities

These are smaller, unincorporated communities.

Community Sizes (2010 Census)

Here's a list of communities in Yolo County, ranked by their population in 2010. county seat

Rank City/town/etc. Type Population (2010 Census)
1 Davis City 65,622
2 Woodland City 55,468
3 West Sacramento City 48,744
4 Winters City 6,624
5 University of California Davis CDP 5,786
6 Esparto CDP 3,108
7 Monument Hills CDP 1,542
8 Dunnigan CDP 1,416
9 Knights Landing CDP 995
10 Madison CDP 721
11 Yolo CDP 450
12 Clarksburg CDP 418
13 Guinda CDP 254
14 Rumsey Indian Rancheria AIAN 77

Images for kids

See also

Kids robot.svg In Spanish: Condado de Yolo para niños

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