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Benton County, Washington facts for kids

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Benton County
Benton County Courthouse
Benton County Courthouse
Official seal of Benton County
Seal
Map of Washington highlighting Benton County
Location within the U.S. state of Washington
Map of the United States highlighting Washington
Washington's location within the U.S.
Country  United States
State  Washington
Founded March 8, 1905
Named for Thomas Hart Benton
Seat Prosser
Largest city Kennewick
Area
 • Total 1,760 sq mi (4,600 km2)
 • Land 1,700 sq mi (4,000 km2)
 • Water 60 sq mi (200 km2)  3.4%%
Population
 (2020)
 • Total 206,873
 • Estimate 
(2023)
215,219 Increase
 • Density 110/sq mi (40/km2)
Time zone UTC−8 (Pacific)
 • Summer (DST) UTC−7 (PDT)
Congressional district 4th
Bentoncounty-wa
Benton County, Washington is in south-central Washington state.

Benton County is a cool place in the south-central part of Washington state. In 2020, about 206,873 people lived there. The main town, called the county seat, is Prosser. But the biggest city is Kennewick. The mighty Columbia River forms its borders on the north, south, and east sides.

Benton County was started on March 8, 1905. It was named after a famous person from Missouri, Thomas Hart Benton.

Exploring Benton County's Geography

Benton County covers about 1,760 square miles. Most of this is land, with about 60 square miles of water. The tallest spot in the county is Rattlesnake Mountain, which is 3,527 feet high! The lowest spot is near Crow Butte, at 265 feet.

Rivers and Waterways

  • Columbia River: This huge river surrounds Benton County on three sides. Big boats can travel upriver.
  • Yakima River: This river cuts through the county from west to east. It flows into the Columbia River. The Yakima River is super important for farms in the area. Many fish, like salmon, are now returning to this river. Amon Creek is a smaller stream that flows into the Yakima River.

Mountains and Hills

Benton County has several interesting mountains and hills:

Neighboring Counties

Benton County shares borders with these other counties:

Special Protected Areas

Parts of these important national areas are in Benton County:

Main Roads and Highways

Major roads that help people get around Benton County include:

  • I-82.svg Interstate 82
  • I-182.svg Interstate 182
  • US 12.svg U.S. Route 12
  • US 395.svg U.S. Route 395
  • WA-14.svg Washington State Route 14
  • WA-240.svg Washington State Route 240
  • WA-397.svg Washington State Route 397

People of Benton County

Historical population
Census Pop.
1910 7,937
1920 10,903 37.4%
1930 10,952 0.4%
1940 12,053 10.1%
1950 51,370 326.2%
1960 62,070 20.8%
1970 67,540 8.8%
1980 109,444 62.0%
1990 112,560 2.8%
2000 142,475 26.6%
2010 175,177 23.0%
2020 206,873 18.1%
2023 (est.) 215,219 22.9%
U.S. Decennial Census
1790–1960 1900–1990
1990–2000 2010–2020

In 2010, about 175,177 people lived in Benton County. Most people were white (82.4%). About 18.7% of the population was of Hispanic or Latino background.

Many families live in Benton County. The average household had about 2.66 people. The average family had about 3.17 people. The median age for people in the county was 35.6 years old.

Learning in Benton County

Benton County has several public school districts. It also has a few private schools.

Public Schools

Delta High School is in Pasco, a nearby city. It's a special high school focused on STEM subjects. STEM stands for Science, Technology, Engineering, and Math. Prosser High School is closer to Prosser, the county seat.

Colleges and Universities

Benton County has two public college campuses in Richland:

  • Columbia Basin College: This is a community college. It offers two-year degrees and helps students transfer to bigger universities.
  • Washington State University Tri-Cities: This is a branch of Washington State University. It's a growing campus in North Richland.

Fun and Recreation

The Tri-Cities area, which includes Benton County, is a popular spot for fun. It has good weather and is close to big cities like Seattle and Portland. People come here for sports, festivals, and farm tours.

Golf Courses

Benton County has several golf courses where you can play:

  • Canyon Lakes (Kennewick)
  • Columbia Park (Kennewick) - a shorter "par 3" course
  • Zintel Creek Golf Club (Kennewick)
  • Buckskin (Richland) - a 9-hole course
  • Columbia Point (Richland)
  • Horn Rapids (Richland)
  • West Richland (West Richland)

Museums to Visit

You can learn about history at these museums:

  • Benton County Historical Museum
  • East Benton County Historical Museum
  • Hanford Reach Interpretive Center

Sports Teams

The Tri-City Americans are a major junior ice hockey team. They play at the Toyota Center in Kennewick. The players are usually 16–20 years old.

Public Lands and Parks

B reactor exterior 2018
Exterior of the Hanford B Reactor, 2018.

A big part of Benton County is public land. The most important is the Hanford Site. Most of this area is restricted, but you can visit some parts. The B Reactor is a popular spot for people interested in history and engineering. Part of the Hanford Site is also the Hanford Reach National Monument.

Other public lands include areas managed by the Bureau of Land Management. These are great for hiking. There are also wildlife refuges along the Columbia River.

The county and cities also have many parks. The Badger Mountain Centennial Preserve is a popular hiking spot. Over 200,000 people visit it each year!

Wine Country

Red Mountain toward Rattlesnake Mountain
Kiona Vineyard in the Red Mountain AVA looking northwest toward Rattlesnake Mountain. You can see two types of grapes growing here.

Benton County is known for its farms. In recent years, growing grapes for wine has become very important. This has changed the area's farming and tourism.

The Yakima Valley AVA was the first special wine-growing area in Washington state, started in 1983. Within this area, there are smaller, unique spots. The Red Mountain AVA is entirely in Benton County. It was created in 2001 because of its special climate and soil.

Places to See

Here are some interesting places to visit in Benton County:

Towns and Communities

Cities in Benton County

Other Communities

Smaller Towns and Areas

Old Ghost Towns

See also

Kids robot.svg In Spanish: Condado de Benton (Washington) para niños

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