Outdoor Advertising Billboards for Rent in Kennewick, WA

Kennewick is a city in Benton County in the southeastern part of the U.S. state of Washington, near the Hanford nuclear site. It is the most populous of the three cities collectively referred to as the Tri-Cities (the others being Pasco and Richland). Kennewick is located along the southwest bank of the Columbia River, opposite Pasco and just south of the confluence of the Columbia and Yakima rivers. The population was 65,860 at the state Office of Financial Management's estimate in April 2008.

The nearest commercial airport is the Tri-Cities Airport in Pasco, a regional commercial and private airport.

Forbes magazine named Kennewick the #2 area in the United States for job growth, while nearby Yakima was named #1. The article cites the number of scientists employed by the Pacific Northwest National Laboratory and area farmland for this outlook.

Demographics

Historical populations
Census	Pop.		%±
1900	183		—
1910	1,219		566.1%
1920	1,684		38.1%
1930	1,519		−9.8%
1940	1,918		26.3%
1950	10,126		427.9%
1960	14,244		40.7%
1970	15,212		6.8%
1980	34,397		126.1%
1990	42,155		22.6%
2000	54,693		29.7%
Est. 2007	62,182		13.7%
source:

As of the census of 2000, there were 54,693 people, 20,786 households, and 14,176 families residing in the city. The population density was 2,384.9 people per square mile (920.9/km²). There were 22,043 housing units at an average density of 961.2/sq mi (371.2/km²). The racial makeup of the city was 82.93% White, 1.14% Black or African American, 0.93% Native American, 2.12% Asian, 0.11% Pacific Islander, 9.4% from other races, and 3.37% from two or more races. 15.55% of the population was Hispanic or Latino of any race. 18.2% were of German, 9.6% English, 8.5% Irish and 8.5% American ancestry according to Census 2000. 84.6% spoke English and 12.5% Spanish as their first language.

There were 20,786 households out of which 37.6% had children under the age of 18 living with them, 51.5% were married couples living together, 12.2% had a female householder with no husband present, and 31.8% were non-families. 26.1% of all households were made up of individuals and 8.6% had someone living alone who was 65 years of age or older. The average household size was 2.6 and the average family size was 3.15.

In the city the population was spread out with 29.6% under the age of 18, 10.3% from 18 to 24, 29.3% from 25 to 44, 20.6% from 45 to 64, and 10.2% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 98.3 males. For every 100 females age 18 and over, there were 94.3 males.

The median income for a household in the city was $41,213, and the median income for a family was $50,011. Males had a median income of $41,589 versus $26,022 for females. The per capita income for the city was $20,152. About 9.7% of families and 12.9% of the population were below the poverty line, including 18.8% of those under age 18 and 8.7% of those age 65 or over.