Kennewick, Washington Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Kennewick, Washington is 84,389 as of the 2023 American Community Survey, making it the 15th-largest city in Washington. The median household income is $72,867, the median home value is $343,600, and the median age is 35.8.
The population has grown 16.5% since 2010 (74,447 → 86,728).
84,389
Population
2960
People / sq mi
$72,867
Median Income
$343,600
Median Home Value
Kennewick covers 28.5 sq mi of land at 2960 people per square mile.
About Kennewick, WA
Kennewick is a city in Washington with a population of 84,389. It ranks #15 among cities in Washington by population. The median age is 35.8, younger than the national median. The population is 49.5% male and 50.5% female.
The median household income in Kennewick is $72,867, near the US median of $74,580. 11.1% of residents live below the federal poverty level. Home values sit at a median of $343,600, with monthly rent averaging $1,199. The homeownership rate of 62.8% is close to the national rate of 64.8%.
Educational attainment in Kennewick reflects 26.9% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.5% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 21.1 minutes each way.
Kennewick city Population History (2010-2024)
The city of Kennewick city had a population of 74,447 in 2010 and 86,728 in 2024, a 16.5% growth over 14 years. The peak was 86,728 in 2024. Average annual growth rate: 1.10%.
86,728
Population (2024)
74,447
Population (2010)
86,728
Peak (2024)
1.10%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 74,447 |
| 2011 | 75,585 |
| 2012 | 75,930 |
| 2013 | 76,579 |
| 2014 | 77,339 |
| 2015 | 78,724 |
| 2016 | 80,081 |
| 2017 | 81,621 |
| 2018 | 82,696 |
| 2019 | 84,347 |
| 2020 | 84,000 |
| 2021 | 84,683 |
| 2022 | 85,190 |
| 2023 | 85,915 |
| 2024 | 86,728 |
Race & Ethnicity
| White | 67.2% |
| Black or African American | 2.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.3% |
| Two or More Races | 0.0% |
Economy & Income
$72,867
Median Household Income
$35,662
Per Capita Income
11.1%
Poverty Rate
3.0%
Unemployment Rate
Housing
$343,600
Median Home Value
$1,199
Median Rent
62.8%
Owner-Occupied
Education
86.8%
High School+
26.9%
Bachelor's+
Commute
1.7%
Drive Alone
75.6%
Public Transit
8.5%
Work From Home
21.1 min
Avg Commute
Community Profile
33.4%
Foreign Born
71.2%
Non-English at Home
7.2%
Veterans
16.4%
With Disability
91.2%
Health Insurance
95.9%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 21.7% |
| Finance, Insurance & Real Estate | 10.1% |
| Education, Health Care & Social Services | 9.1% |
| Construction | 8.7% |
| Manufacturing | 7.7% |
| Retail Trade | 6.8% |
| Arts, Entertainment & Food Services | 5.9% |
| Public Administration | 5.4% |
| Information | 4.2% |
| Agriculture & Mining | 4.0% |
| Transportation & Warehousing | 1.1% |
Largest cities in Washington
Largest counties in Washington
Part of Washington
Metro areas in Washington
City rankings
Frequently Asked Questions
Kennewick, Washington has a population of 84,389 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 15th-largest city in Washington.
The median household income in Kennewick, Washington is $72,867, with 11.1% of residents living below the federal poverty level.
The median home value in Kennewick, Washington is $343,600, with median monthly rent at $1,199 and a homeownership rate of 62.8%.
The median age in Kennewick, Washington is 35.8 years. The population is 49.5% male and 50.5% female.
The population has grown 16.5% since 2010 (74,447 → 86,728).
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Full rankings of Washington cities by population
Statewide data for Washington
Population, race, income, age, and trends across Washington
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.