2025 Compare Cities People:
Mattawa, WA vs Kennewick, WA

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Highlights
- Kennewick is 0% more densely populated than Mattawa.
- People are 34.6% more likely to be married in Kennewick.
- The Median Age is 11.7 years older in Kennewick.
 Mattawa, WAKennewick, WAUnited States
 Population  Unlock83,082329,725,481
 Female Population49.0%  Unlock50.5%
 Male Population51.0%  Unlock49.5%
 Median Age  Unlock35.338.4
 space3
 Population - 20104,463  Unlock309,327,143
 Population - 2000  Unlock54,693285,036,114
 Population - 1990941  Unlock251,960,433
 Pop. 2000 to Now  Unlock54.5%15.6%
 Pop. 1990 to Now443.3%  Unlock30.8%
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 Population Density  Unlock3,026.893.4
 Land Area0.7  Unlock3,531,905.4
 Water Area  Unlock1.4264,836.8
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 Est. Total Population By Age
 Mattawa, WAKennewick, WAUnited States
 Age 0 to 48.3%  Unlock5.9%
 Age 5 to 9  Unlock8.1%6.1%
 Age 10 to 149.8%  Unlock6.6%
 Age 15 to 17  Unlock4.2%3.9%
 Age 18 to 209.1%  Unlock4.0%
 Age 21 to 24  Unlock5.0%5.2%
 Age 25 to 3412.9%  Unlock13.8%
 Age 35 to 44  Unlock12.9%12.9%
 Age 45 to 5410.6%  Unlock12.6%
 Age 55 to 59  Unlock5.8%6.7%
 Age 60 to 643.5%  Unlock6.3%
 Age 65 to 74  Unlock9.4%9.6%
 Age 75 to 841.6%  Unlock4.5%
 Age 85 and over  Unlock2.0%1.9%
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 Race
 Mattawa, WAKennewick, WAUnited States
 White0.5%  Unlock59.4%
 Black  Unlock1.9%12.2%
 Asian0.0%  Unlock5.6%
 Native American  Unlock0.5%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races0.0%  Unlock3.2%
 Hispanic  Unlock29.4%18.4%
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 Marriage & Family
 Mattawa, WAKennewick, WAUnited States
 Married Population38.1%  Unlock49.8%
     Currently Married  Unlock49.7%48.0%
 Married but Separated3.5%  Unlock1.8%
 Single Population  Unlock48.8%50.2%
 Never Married53.9%  Unlock33.8%
 Divorced  Unlock13.2%10.8%
 Widowed3.0%  Unlock5.6%
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 Household Size  Unlock2.692.60
 Households852  Unlock124,010,992
 Family Households  Unlock20,79480,755,759
     Married couple, w/children37.2%  Unlock30.5%
     Married couple, no children  Unlock41.8%42.9%
 Non Family Households81  Unlock43,255,233
     Single householder, w/children  Unlock19.3%15.8%
     Single householder, no children3.6%  Unlock10.8%
Reviews for Mattawa    0 Reviews

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Reviews for Kennewick    24 Reviews

Born here and lived most of my 48 years here. If people haven't gotten out and explored the versatility of this place to entertain a population at my levels and options  More

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I have lived here a few years and it’s the worst place I’ve ever been. The “ nice weather” people refer to is 100 degree hot can’t even stand outside at 9am without  More

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Over 4 years ago

I’ve lived here for 30 years. Very good place to live. Three major rivers meet here. The Columbia, Snake and Yakima rivers. So if you like fishing or boating it’s a  More

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