Kennewick is a city of 85,295 people in Washington. The population has risen by half since 2000, adding 30,602 people. About 26% of adults have finished a four-year degree. There are 2,992 people per square mile. Households here earn about 25% less than in Washington as a whole. This skews young, with a median age of 35.7.
At a glance
Lower income
median household income $73,576, below the US median
US median: $82,259
Younger
median age 35.7
US median: 38.9
Less educated
26% hold a bachelor's degree
US average: 36%
Less affordable
home values up 91%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Kennewick
What changed most since 1990
Hispanic share8.5% → 33.0%(+24.5 pts)US over the same years: +9.9 pts
Median home value (2024 dollars)$155,284 → $370,700(+139%)US over the same years: +67%
Population42,155 → 85,295(+102%)US over the same years: +35%
Kennewick's population equals 40% of Benton County's. Its number of households without a car equals 61% of the county's. Its number of people who work from home equals 29% of the county's.
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)22.1%(945)
US avg: 26.4%
Gulf War (1990s)18.4%(786)
US avg: 24.3%
Vietnam era35.6%(1,520)
US avg: 33.1%
Korean War8.2%(350)
US avg: 4.5%
World War II1.2%(50)
US avg: 1%
Share of the 4,273 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Kennewick, decade by decade
Kennewick population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
42,155
$67,828
$155,284
19.8%
27.3
2000
54,693
$75,076
$193,642
22.1%
45.5
2010
73,917
$69,788
$228,301
21.5%
58.4
2020
83,921
$75,489
$289,920
26.6%
69.5
2024
85,295
$73,576
$370,700
26.2%
68.6
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
