akashic
1876–2024
Kennewick-Richland, WA·Washington

Kennewick-Richland, WA has voted Republican in fifteen straight presidential cycles.

Tri-Cities metro anchors a rare Republican lean in western-state Washington

1876 — 2024·38 elections
WA
Latest
R+22
in 2024
Archetype
Republican loyalist
since the recent cycles
Population
311,807
2024 ACS

Kennewick-Richland, WA, Washington: Republican loyalist metro. In 2024, voted R+22%. Democratic peak: D+49 in 1896.

Key facts

2024 presidential margin
R+22MIT Election Lab
Political archetype
Republican loyalistAkashic typology
Population
311,8072024 5-year
Median household income
$88,8722024 5-year
White (non-Hispanic)
62.0%2024 5-year
Black
1.8%2024 5-year
Hispanic / Latino
35.0%2024 5-year
Peak Democratic margin
D+49 in 1896MIT Election Lab
Peak Republican margin
R+42 in 1904MIT Election Lab
2024 results by constituent county
2 counties · 0 D · 2 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−21.9%
49,54678,641132,590
R
−19.5%
52,04678,404135,437
R
−23.2%
35,24660,400108,206
R
−25.9%
36,54363,209102,981
R
−25.6%
33,64957,38292,607
R
−34.2%
26,73755,10783,051
R
−31.1%
24,16546,96173,393
R
−10.4%
25,74432,61065,899
R
−11.3%
20,20227,36963,539
R
−28.1%
19,58935,17655,468
R
−37.2%
18,11240,03158,899
R
−36.9%
15,28036,05556,374
R
−26.9%
15,67527,80645,014
R
−26.4%
13,69124,48940,869
R
−10.4%
14,91618,89338,154
D
+20.0%
23,02515,32338,430
R
−0.9%
17,67417,99835,753
R
−4.4%
16,08217,57033,661
R
−13.6%
12,68716,70329,471
D
+19.3%
10,9837,39318,597
D
+8.0%
6,2075,28611,543
D
+6.5%
4,2823,7548,122
D
+27.4%
4,1862,2327,121
D
+23.2%
4,1732,5327,070
R
−35.5%
1,8793,9895,950
O
−29.4%
6742,5216,273
R
−22.6%
1,5462,8405,734
D
+6.4%
2,4612,1315,130
O
+14.8%
1,8501,0215,594
R
−21.2%
9501,5342,757
R
−42.3%
223572826
D
+20.9%
8152139
D
+49.0%
11338153
D
+21.8%
5428119
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
14.4%
English
12.1%
Irish
8.1%
American
3.9%
Scottish
2.4%
French
2.1%
Italian
2.0%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 34.6 in this county, 39.1 nationally
Male
Age
Female
0.6%
85+
0.9%
1.8%
75–84
2.2%
4.4%
65–74
4.5%
5.2%
55–64
5.3%
5.7%
45–54
5.3%
7.2%
35–44
6.6%
7.2%
25–34
6.7%
4.8%
18–24
4.3%
10.6%
5–17
10.2%
3.5%
<5
3.3%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$88,872
Kennewick-Richland, WA ranks near the middle of US counties.
Kennewick-Richland, WA$88,872
Washington$98,141
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
11.7%
Child poverty is below the national average.
Children under 1814.6%
Working age (18–64)10.5%
Seniors (65+)10.1%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
69.6%
speak English only
Spanish26.0%
Other Indo-European2.1%
Asian & Pacific Islander1.7%
Other languages0.7%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Other Christian
25.0%
Catholic & Orthodox
18.6%
Pentecostal & Holiness
3.4%
Mainline Protestant
1.9%
Baptist
1.8%
Non-Christian
1.1%
Methodist
0.7%
Source · 2020 US Religion Census. Remaining 47.4% of residents not counted as adherents by any reporting body.

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.

The Republican margin in Kennewick-Richland, WA reached its widest at forty-two points in 1904. The margin in 2024 was twenty-two points, in line with the metro's deep historical pattern.

Its loyalty is rooted in its place. Median household income of $88,872, a 62% non-Hispanic-white share, and a population of 311,807 together describe a metro whose political habits are deeply settled.

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Kennewick-Richland, WA, Washington — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/cbsa/28420/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Kennewick-Richland, WA, Washington vote in 2024?
In 2024, Kennewick-Richland, WA, Washington voted Republican by 21.9 points (R+22), carried by the Republican candidate. Out of 132,590 votes cast, 49,546 went Democratic and 78,641 went Republican.
What is Kennewick-Richland, WA, Washington's political archetype?
Akashic classifies Kennewick-Richland, WA, Washington as a "Republican loyalist" metro based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the metro has voted Democratic 10 times, Republican 22 times, and other 2 times.
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 38 presidential elections in Kennewick-Richland, WA, Washington from 1876 to 2024. Of those, 10 went Democratic and 22 went Republican. The metro's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.