† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
2 counties by 2024 margin · County returns · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupKennewick-Richland, WAWashingtonUnited States
German14.4%14.5%12.5%
English12.1%12.1%9.5%
Irish8.1%9.8%9.4%
American3.9%3.8%5.3%
Norwegian2.9%4.0%—
Scottish2.4%2.6%1.3%
French2.1%—1.6%
Italian2.0%3.1%4.8%
Mexican31.2%10.8%11.3%
Guatemalan0.5%0.2%0.5%
Salvadoran0.5%0.4%0.7%
Spaniard0.4%0.4%—
Spanish0.4%0.3%—
Cuban0.3%—0.7%
Puerto Rican0.2%0.5%1.8%
Vietnamese0.5%1.1%0.6%
Asian Indian0.4%2.0%1.4%
Chinese0.4%2.2%1.3%
Filipino0.3%1.5%0.9%
Korean0.2%0.9%0.4%
African American†1.1%2.3%9.9%
African0.4%0.4%0.5%
Aztec0.2%——
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
Kennewick-Richland, WA
Washington
United States
Median age
34.6
38.5
39.1
Age 18–24
9.1%
8.5%
9.2%
Age 65 and older
14.4%
16.7%
17.2%
Household economy
Measure
Kennewick-Richland, WA
Washington
United States
Median household income
$88,872
$98,141
$84,427
Poverty rate
11.7%
9.9%
12.5%
Bachelor's degree or higher (25+)
29.4%
39.3%
35.6%
Languages at home
Measure
Kennewick-Richland, WA
Washington
United States
Speaks a non-English language at home
30.4%
21.5%
22.3%
Spanish
26.0%
9.1%
13.6%
Russian, Polish, or other Slavic
1.1%
1.5%
0.7%
Religious landscape
Measure
Kennewick-Richland, WA
Washington
United States
Catholic
18.6%
10.7%
18.6%
Evangelical Protestant
18.8%
20.5%
16.5%
Unclaimed / not counted
47.5%
58.8%
51.5%
Latter-day Saints
10.4%
3.6%
2.0%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Kennewick-Richland, WA
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
+21.8%
1896
+49.0%
1900
+20.9%
1904
−42.3%
1908
−21.2%
1912
+14.8%
1916
+6.4%
1920
−22.6%
1924
−29.4%
1928
−35.5%
1932
+23.2%
1936
+27.4%
1940
+6.5%
1944
+8.0%
1948
+19.3%
1952
−13.6%
1956
−4.4%
1960
−0.9%
1964
+20.0%
1968
−10.4%
1972
−26.4%
1976
−26.9%
1980
−36.9%
1984
−37.2%
1988
−28.1%
1992
−11.3%
1996
−10.4%
2000
−31.1%
2004
−34.2%
2008
−25.6%
2012
−25.9%
2016
−23.2%
2020
−19.5%
2024
−21.9%
DemocraticRepublican
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
R
37.4%Harris49,546
59.3%Trump78,641
1.4%Kennedy1,920 +8
R+21.9
R+2.5
R+20.5
132,590
All 11 candidates in 2024 · 9 minor / independent
Donald J TrumpRepublican59.3%78,641
Kamala D HarrisDemocratic37.4%49,546
Robert F KennedyIndependent1.4%1,920
OtherAll other candidates0.7%908
Chase OliverLibertarian0.5%624
Jill SteinIndependent0.4%496
Claudia De La CruzIndependent0.1%186
Cornel WestIndependent0.1%123
Shiva AyyaduraiIndependent0.1%107
Joseph KishoreIndependent0.0%21
Rachele FruitIndependent0.0%18
R
38.4%Biden52,046
57.9%Trump78,404
3.7%
R+19.5
D+3.8
R+23.9
135,437
R
32.6%Clinton35,246
55.8%Trump60,400
11.6%
R+23.2
D+2.6
R+25.3
108,206
R
35.5%Obama36,543
61.4%Romney63,209
3.1%
R+25.9
R+0.3
R+29.7
102,981
R
36.3%Obama33,649
62.0%McCain57,382
1.7%
R+25.6
D+8.5
R+32.9
92,607
R
32.2%Kerry26,737
66.4%Bush55,107
1.5%
R+34.2
R+3.1
R+31.7
83,051
R
32.9%Gore24,165
64.0%Bush46,961
3.1%
R+31.1
R+20.6
R+31.6
73,393
R
39.1%Clinton25,744
49.5%Dole32,610
11.4%
R+10.4
D+0.9
R+18.9
65,899
R
31.8%Clinton20,202
43.1%Bush27,369
25.1%
R+11.3
D+16.8
R+16.8
63,539
R
35.3%Dukakis19,589
63.4%Bush35,176
1.3%
R+28.1
D+9.1
R+20.4
55,468
R
30.8%Mondale18,112
68.0%Reagan40,031
1.3%
R+37.2
R+0.4
R+19.0
58,899
R
27.1%Carter15,280
64.0%Reagan36,055
8.9%
R+36.9
R+9.9
R+27.1
56,374
R
34.8%Carter15,675
61.8%Ford27,806
3.4%
R+26.9
R+0.5
R+29.0
45,014
R
33.5%McGovern13,691
59.9%Nixon24,489
6.6%
R+26.4
R+16.0
R+3.3
40,869
R
39.1%Humphrey14,916
49.5%Nixon18,893
11.4%
R+10.4
R+30.5
R+9.7
38,154
D
59.9%Johnson23,025
39.9%Goldwater15,323
0.2%
D+20.0
D+20.9
R+2.5
38,430
R
49.4%Kennedy17,674
50.3%Nixon17,998
0.2%
R+0.9
D+3.5
R+1.1
35,753
R
47.8%Stevenson16,082
52.2%Eisenhower17,570
0.0%
R+4.4
D+9.2
D+11.0
33,661
R
43.0%Stevenson12,687
56.7%Eisenhower16,703
0.3%
R+13.6
R+32.9
R+2.9
29,471
D
59.1%Truman10,983
39.8%Dewey7,393
1.2%
D+19.3
D+11.3
D+14.8
18,597
D
53.8%Roosevelt6,207
45.8%Dewey5,286
0.4%
D+8.0
D+1.5
D+0.5
11,543
D
52.7%Roosevelt4,282
46.2%Willkie3,754
1.1%
D+6.5
R+20.9
R+3.4
8,122
D
58.8%Roosevelt4,186
31.3%Landon2,232
9.9%
D+27.4
D+4.2
D+3.2
7,121
D
59.0%Roosevelt4,173
35.8%Hoover2,532
5.2%
D+23.2
D+58.7
D+5.4
7,070
R
31.6%Smith1,879
67.0%Hoover3,989
1.4%
R+35.5
R+6.0
R+18.0
5,950
O
10.7%Davis674
40.2%Coolidge2,521
49.1%
La Follette +8.9
R+6.9
R+4.3
6,273
R
27.0%Cox1,546
49.5%Harding2,840
23.5%
R+22.6
R+29.0
D+3.6
5,734
D
48.0%Wilson2,461
41.5%Hughes2,131
10.5%
D+6.4
R+8.4
D+3.3
5,130
O
33.1%Wilson1,850
18.3%Taft1,021
48.7%
Roosevelt +15.6
D+36.0
R+4.7
5,594
R
34.5%Bryan950
55.6%Taft1,534
9.9%
R+21.2
D+21.1
R+11.6
2,757
R
27.0%Parker223
69.2%Roosevelt572
3.8%
R+42.3
R+63.1
R+22.6
826
D
58.3%Bryan81
37.4%McKinley52
4.3%
D+20.9
R+28.2
D+28.4
139
D
73.9%Bryan113
24.8%McKinley38
1.3%
D+49.0
D+27.2
D+55.1
153
D
45.4%Cleveland54
23.5%Harrison28
31.1%
D+21.8
—
D+20.2
119
Congressional elections · 3 Senate races
U.S. Senate
Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year
Won
Democratic
Republican
Total
2024
R
40.6%52,133
59.2%76,016
128,512
2022
R
33.2%32,535
66.6%65,282
97,963
2018
R
38.1%37,170
61.9%60,267
97,437
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Kennewick-Richland, WA
Year
Total registered
2016
152,812
2018
163,981
2020
179,717
2022
184,703
2024
200,305
domestic migration
Who moves in and out
Net domestic migration over time
+1,338 net domestic migration · 2025
20112025
Net +23,625 over 2011–2025 · gain loss
Domestic migration in Kennewick-Richland, WA in Kennewick-Richland, WA: net domestic migration by year
Year
Net domestic migration
2011
+5,113
2012
+1,552
2013
−121
2014
+384
2015
+1,603
2016
+1,734
2017
+3,439
2018
+2,618
2019
+1,784
2021
+2,102
2022
+308
2023
+836
2024
+935
2025
+1,338
Kennewick-Richland sits at the confluence of three rivers in the arid Columbia Basin, where the federal Hanford nuclear site drives a high-skilled workforce that has kept the metro reliably Republican even as Washington's statewide margins trend Democratic.
Across the recorded series it reached a Democratic high of 49.0 points in 1896 and a Republican high of 42.3 points in 1904. Between 2020 and 2024 the metro moved 2.5 points toward the Republican candidate; the 2024 margin was 21.9 points.
A population of 311,807, a 56% non-Hispanic-white share, and a median household income of $88,872 describe the metro. The metro's voting pattern over the last decade is most similar to that of Fayetteville-Springdale-Rogers, AR and Moses Lake, WA.
Akashic
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Kennewick-Richland, WA, Washington. Akashic. https://akashic.app/cbsa/28420/. Accessed May 20, 2026. License: CC BY 4.0.
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How did Kennewick-Richland, WA, Washington vote in 2024?
In 2024, Kennewick-Richland, WA, Washington voted Republican by 21.9 points (R+21.9), carried by the Republican candidate. Out of 132,590 votes cast, 49,546 went Democratic and 78,641 went Republican.
When did Kennewick-Richland, WA, Washington last vote Democratic?
The most recent presidential election in which Kennewick-Richland, WA, Washington voted Democratic was 1964.
How many people live in Kennewick-Richland, WA, Washington?
Kennewick-Richland, WA, Washington has a population of 311,807 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Kennewick-Richland, WA, Washington?
Median household income in Kennewick-Richland, WA, Washington is $88,872 — above the national median of $80,734. The Washington state median is $98,141.
What is the political history of Kennewick-Richland, WA, Washington?
Akashic tracks 34 presidential elections in Kennewick-Richland, WA, Washington from 1892 to 2024. Of those, 10 went Democratic and 22 went Republican.
