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Kennewick, Washington

Located in Benton County, Washington, Kennewick was established in 1904. Kennewick Man is one of the oldest and most complete skeletons found in North America (9,000+ years). The Hanford Site produced the plutonium for the atomic bomb dropped on Nagasaki.

Founded 1904 | Population 88,000 | Peak 88,000 (2024) | County Benton County

Top 10 Most Important Events for Kennewick, Washington

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1904Railroad Town: Northern Pacific Railway stop.

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1943Hanford Nuclear Site: Manhattan Project plutonium production nearby.

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1996Kennewick Man: 9,000-year-old skeleton found on Columbia River.

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2023Tri-Cities Growth: Wine, ag, and energy economy thrives.

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Complete Historical Timeline

1904 Transport

Railroad Town

1943 Science

Hanford Nuclear Site

1996 Science

Kennewick Man

2023 Business

Tri-Cities Growth

Did You Know?

1

Kennewick Man is one of the oldest and most complete skeletons found in North America (9,000+ years).

2

The Hanford Site produced the plutonium for the atomic bomb dropped on Nagasaki.

3

The Tri-Cities (Kennewick, Richland, Pasco) are a growing wine and agriculture hub.

4

Kennewick is located in Benton County, Washington.

5

Kennewick was founded in 1904.

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