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Solano and

8th Congressional District (2026)

760,063 Population
453,868 Voters
These maps go into effect starting with the 2026 election cycle, following the passage of Proposition 50. View 2022 8th Congressional District.
Solano and

8th Congressional District (2026)

760,063 Population
453,868 Voters
These maps go into effect starting with the 2026 election cycle, following the passage of Proposition 50. View 2022 8th Congressional District.

Unlock full voter and turnout data for 8th Congressional District Voter counts, turnout history, and demographics—ready for your next briefing in minutes, not hours.

Population Overlap

8th Congressional District (2026)
Total Population 760,063
179 overlapping jurisdictions
11 jurisdiction types
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Counties

4 jurisdictions
35.9% of this CD
23.4% of the county
31.1% of this CD
100.0% of the subdistrict
County of Contra Costa - District 5 Shanelle Scales-Preston
4.9% of this CD
16.7% of the subdistrict
11th Assembly District Lori D. Wilson (D)
59.1% of this CD
87.2% of the subdistrict
14th Assembly District Buffy Wicks (D)
35.8% of this CD
57.1% of the subdistrict
3rd State Senate District Christopher Cabaldon (D)
61.3% of this CD
45.0% of the subdistrict
7th State Senate District Jesse Arreguín (D)
35.8% of this CD
28.3% of the subdistrict
77.3% of this CD
77.3% of the subdistrict
2.8% of this CD
2.8% of the subdistrict
35.9% of this CD
2.7% of the subdistrict
3.4% of this CD
100.0% of the subdistrict
3.4% of this CD
100.0% of the subdistrict
2.5% of this CD
100.0% of the subdistrict
City of Richmond Eduardo Martinez
15.4% of this CD
100.0% of the subdistrict
4.2% of this CD
100.0% of the subdistrict
1.7% of this CD
84.9% of the subdistrict
34.2% of this CD
100.0% of the subdistrict
35.9% of this CD
23.4% of the subdistrict
35.9% of this CD
23.4% of the subdistrict
0.2% of this CD
38.1% of the subdistrict
0.2% of this CD
100.0% of the subdistrict
0.5% of this CD
100.0% of the subdistrict
2.0% of this CD
100.0% of the subdistrict
0.7% of this CD
100.0% of the subdistrict
1.3% of this CD
100.0% of the subdistrict
0.4% of this CD
100.0% of the subdistrict
0.4% of this CD
100.0% of the subdistrict
0.6% of this CD
100.0% of the subdistrict
0.7% of this CD
100.0% of the subdistrict
2.8% of this CD
2.7% of the county
2.8% of this CD
14.5% of the subdistrict
9th Assembly District Heath Flora (R)
3.1% of this CD
5.0% of the subdistrict
5th State Senate District Jerry McNerney (D)
2.8% of this CD
2.1% of the subdistrict
2.8% of this CD
2.8% of the subdistrict
64.1% of this CD
5.0% of the subdistrict
2.4% of this CD
27.6% of the subdistrict
2.7% of this CD
11.6% of the subdistrict
0.1% of this CD
27.7% of the subdistrict
4.8% of this CD
4.4% of the subdistrict
2.8% of this CD
2.7% of the subdistrict
0.1% of this CD
100.0% of the subdistrict
58.9% of this CD
100.0% of the county
12.0% of this CD
100.0% of the subdistrict
11.9% of this CD
100.0% of the subdistrict
12.0% of this CD
100.0% of the subdistrict
11.8% of this CD
100.0% of the subdistrict
11.2% of this CD
100.0% of the subdistrict
11th Assembly District Lori D. Wilson (D)
59.1% of this CD
87.2% of the subdistrict
3rd State Senate District Christopher Cabaldon (D)
61.3% of this CD
45.0% of the subdistrict
19.4% of this CD
19.4% of the subdistrict
77.3% of this CD
77.3% of the subdistrict
64.1% of this CD
5.0% of the subdistrict
3.6% of this CD
100.0% of the subdistrict
City of Dixon Steve Bird
2.5% of this CD
100.0% of the subdistrict
City of Fairfield Catherine Moy
15.8% of this CD
100.0% of the subdistrict
1.3% of this CD
100.0% of the subdistrict
3.9% of this CD
100.0% of the subdistrict
City of Vacaville John Carli
12.6% of this CD
100.0% of the subdistrict
City of Vallejo Andrea Sorce
16.6% of this CD
100.0% of the subdistrict
2.0% of this CD
86.1% of the subdistrict
3.6% of this CD
100.0% of the subdistrict
2.9% of this CD
100.0% of the subdistrict
18.7% of this CD
99.8% of the subdistrict
3.7% of this CD
100.0% of the subdistrict
11.4% of this CD
100.0% of the subdistrict
17.1% of this CD
100.0% of the subdistrict
1.8% of this CD
17.2% of the subdistrict
0.1% of this CD
10.4% of the subdistrict
57.5% of this CD
98.1% of the subdistrict
4.8% of this CD
4.4% of the subdistrict
57.3% of this CD
100.0% of the subdistrict
0.0% of this CD
100.0% of the subdistrict
0.2% of this CD
100.0% of the subdistrict
0.2% of this CD
100.0% of the subdistrict
0.3% of this CD
100.0% of the subdistrict
1.9% of this CD
6.8% of the county
0.2% of this CD
3.1% of the subdistrict
1.8% of this CD
31.2% of the subdistrict
4th Assembly District Cecilia M. Aguiar-Curry (D)
1.9% of this CD
3.1% of the subdistrict
3rd State Senate District Christopher Cabaldon (D)
61.3% of this CD
45.0% of the subdistrict
19.4% of this CD
19.4% of the subdistrict
64.1% of this CD
5.0% of the subdistrict
1.5% of this CD
17.4% of the subdistrict
2.0% of this CD
86.1% of the subdistrict
1.8% of this CD
17.2% of the subdistrict
0.1% of this CD
10.4% of the subdistrict
57.5% of this CD
98.1% of the subdistrict
4.8% of this CD
4.4% of the subdistrict
1.8% of this CD
6.3% of the subdistrict
0.1% of this CD
100.0% of the subdistrict
0.1% of this CD
100.0% of the subdistrict

Cities

15 jurisdictions
3.6% of this CD
100.0% of the city
1.5% of this CD
17.4% of the city
1.5% of this CD
91.5% of the subdistrict
City of Dixon Steve Bird
2.5% of this CD
100.0% of the city
0.6% of this CD
100.0% of the subdistrict
0.6% of this CD
100.0% of the subdistrict
0.6% of this CD
100.0% of the subdistrict
0.6% of this CD
100.0% of the subdistrict
3.4% of this CD
100.0% of the city
City of Fairfield Catherine Moy
15.8% of this CD
100.0% of the city
2.7% of this CD
100.0% of the subdistrict
2.6% of this CD
100.0% of the subdistrict
2.6% of this CD
100.0% of the subdistrict
2.6% of this CD
100.0% of the subdistrict
City of Fairfield - District 1 K. Patrice Williams
2.7% of this CD
100.0% of the subdistrict
2.6% of this CD
100.0% of the subdistrict
3.4% of this CD
100.0% of the city
0.1% of this CD
100.0% of the city
2.4% of this CD
27.6% of the city
City of Lodi - District 1 Alan Nakanishi
1.3% of this CD
73.2% of the subdistrict
City of Lodi - District 3 Cameron Bregman
0.7% of this CD
40.4% of the subdistrict
0.4% of this CD
20.3% of the subdistrict
2.5% of this CD
100.0% of the city
City of Richmond Eduardo Martinez
15.4% of this CD
100.0% of the city
2.6% of this CD
100.0% of the subdistrict
2.5% of this CD
100.0% of the subdistrict
2.7% of this CD
100.0% of the subdistrict
2.6% of this CD
100.0% of the subdistrict
2.6% of this CD
100.0% of the subdistrict
2.5% of this CD
100.0% of the subdistrict
1.3% of this CD
100.0% of the city
4.2% of this CD
100.0% of the city
3.9% of this CD
100.0% of the city
City of Vacaville John Carli
12.6% of this CD
100.0% of the city
2.1% of this CD
100.0% of the subdistrict
2.2% of this CD
100.0% of the subdistrict
City of Vacaville - District 2 Gregory Ritchie II
2.1% of this CD
100.0% of the subdistrict
2.1% of this CD
100.0% of the subdistrict
2.1% of this CD
100.0% of the subdistrict
2.0% of this CD
100.0% of the subdistrict
City of Vallejo Andrea Sorce
16.6% of this CD
100.0% of the city
2.7% of this CD
100.0% of the subdistrict
2.8% of this CD
100.0% of the subdistrict
City of Vallejo - District 1 Alexander Matias
2.7% of this CD
100.0% of the subdistrict
City of Vallejo - District 2 Diosdado Matulac
2.8% of this CD
100.0% of the subdistrict
City of Vallejo - District 4 Charles Palmares
2.8% of this CD
100.0% of the subdistrict
City of Vallejo - District 6 Helen-Marie Gordon
2.9% of this CD
100.0% of the subdistrict

State Assembly

4 jurisdictions
11th Assembly District Lori D. Wilson (D)
59.1% of this CD
87.2% of the AD
14th Assembly District Buffy Wicks (D)
35.8% of this CD
57.1% of the AD
4th Assembly District Cecilia M. Aguiar-Curry (D)
1.9% of this CD
3.1% of the AD
9th Assembly District Heath Flora (R)
3.1% of this CD
5.0% of the AD

State Senate

3 jurisdictions
3rd State Senate District Christopher Cabaldon (D)
61.3% of this CD
45.0% of the SD
5th State Senate District Jerry McNerney (D)
2.8% of this CD
2.1% of the SD
7th State Senate District Jesse Arreguín (D)
35.8% of this CD
28.3% of the SD

Congressional (2022)

3 jurisdictions
19.4% of this CD
19.4% of the CD
77.3% of this CD
77.3% of the CD
2.8% of this CD
2.8% of the CD

Board of Equalization

2 jurisdictions
64.1% of this CD
5.0% of the district
35.9% of this CD
2.7% of the district

School Districts

13 jurisdictions
3.6% of this CD
100.0% of the district
0.7% of this CD
100.0% of the trustee area
0.7% of this CD
100.0% of the trustee area
0.7% of this CD
100.0% of the trustee area
0.7% of this CD
100.0% of the trustee area
0.7% of this CD
100.0% of the trustee area
1.8% of this CD
17.2% of the district
0.8% of this CD
37.9% of the trustee area
Davis Joint Unified - District 5 Cecilia Escamilla Greenwald
1.0% of this CD
45.7% of the trustee area
2.9% of this CD
100.0% of the district
18.7% of this CD
99.8% of the district
2.7% of this CD
100.0% of the trustee area
2.6% of this CD
100.0% of the trustee area
2.7% of this CD
100.0% of the trustee area
2.7% of this CD
100.0% of the trustee area
2.6% of this CD
100.0% of the trustee area
2.7% of this CD
100.0% of the trustee area
2.7% of this CD
100.0% of the trustee area
1.7% of this CD
84.9% of the district
2.7% of this CD
11.6% of the district
Lodi Unified - District 3 Sherry Alexander
1.0% of this CD
29.6% of the trustee area
Lodi Unified - District 4 Courtney Porter
1.3% of this CD
37.1% of the trustee area
0.4% of this CD
13.4% of the trustee area
0.1% of this CD
27.7% of the district
2.0% of this CD
86.1% of the district
0.3% of this CD
100.0% of the trustee area
0.3% of this CD
100.0% of the trustee area
0.3% of this CD
100.0% of the trustee area
0.3% of this CD
100.0% of the trustee area
0.3% of this CD
100.0% of the trustee area
0.2% of this CD
59.3% of the trustee area
0.1% of this CD
42.0% of the trustee area
3.7% of this CD
100.0% of the district
0.6% of this CD
100.0% of the trustee area
3.1% of this CD
100.0% of the trustee area
11.4% of this CD
100.0% of the district
1.6% of this CD
100.0% of the trustee area
1.7% of this CD
100.0% of the trustee area
1.7% of this CD
100.0% of the trustee area
1.6% of this CD
100.0% of the trustee area
1.7% of this CD
100.0% of the trustee area
1.6% of this CD
100.0% of the trustee area
1.6% of this CD
100.0% of the trustee area
17.1% of this CD
100.0% of the district
3.5% of this CD
100.0% of the trustee area
3.6% of this CD
100.0% of the trustee area
3.5% of this CD
100.0% of the trustee area
3.3% of this CD
100.0% of the trustee area
3.3% of this CD
100.0% of the trustee area
34.2% of this CD
100.0% of the district
6.8% of this CD
100.0% of the trustee area
6.8% of this CD
100.0% of the trustee area
7.0% of this CD
100.0% of the trustee area
6.6% of this CD
100.0% of the trustee area
7.1% of this CD
100.0% of the trustee area
0.1% of this CD
10.4% of the district
0.1% of this CD
34.6% of the trustee area
0.0% of this CD
17.0% of the trustee area

Community College

3 jurisdictions
35.9% of this CD
23.4% of the CCD
30.8% of this CD
100.0% of the trustee area
5.1% of this CD
16.7% of the trustee area
4.8% of this CD
4.4% of the CCD
4.6% of this CD
29.5% of the trustee area
57.5% of this CD
98.1% of the CCD
8.2% of this CD
100.0% of the trustee area
8.2% of this CD
100.0% of the trustee area
8.3% of this CD
100.0% of the trustee area
8.8% of this CD
100.0% of the trustee area
8.7% of this CD
100.0% of the trustee area
7.6% of this CD
100.0% of the trustee area
7.7% of this CD
87.5% of the trustee area

Supervisor Districts

10 jurisdictions
31.1% of this CD
100.0% of the district
County of Contra Costa - District 5 Shanelle Scales-Preston
4.9% of this CD
16.7% of the district
2.8% of this CD
14.5% of the district
12.0% of this CD
100.0% of the district
11.9% of this CD
100.0% of the district
12.0% of this CD
100.0% of the district
11.8% of this CD
100.0% of the district
11.2% of this CD
100.0% of the district
0.2% of this CD
3.1% of the district
1.8% of this CD
31.2% of the district

County Board of Ed

4 jurisdictions
35.9% of this CD
23.4% of the district
31.1% of this CD
100.0% of the trustee area
4.9% of this CD
16.3% of the trustee area
2.8% of this CD
2.7% of the district
2.8% of this CD
13.6% of the trustee area
57.3% of this CD
100.0% of the district
7.5% of this CD
100.0% of the trustee area
8.6% of this CD
99.7% of the trustee area
8.5% of this CD
100.0% of the trustee area
8.0% of this CD
100.0% of the trustee area
8.3% of this CD
100.0% of the trustee area
8.2% of this CD
100.0% of the trustee area
8.3% of this CD
100.0% of the trustee area
1.8% of this CD
6.3% of the district
1.8% of this CD
32.2% of the trustee area
0.1% of this CD
2.1% of the trustee area

Unincorporated Communities

17 jurisdictions
0.2% of this CD
100.0% of the community
0.2% of this CD
100.0% of the community
0.1% of this CD
100.0% of the community
0.2% of this CD
38.1% of the community
0.5% of this CD
100.0% of the community
0.1% of this CD
100.0% of the community
2.0% of this CD
100.0% of the community
0.0% of this CD
100.0% of the community
0.2% of this CD
100.0% of the community
0.3% of this CD
100.0% of the community
0.7% of this CD
100.0% of the community
0.4% of this CD
100.0% of the community
0.6% of this CD
100.0% of the community
1.3% of this CD
100.0% of the community
0.4% of this CD
100.0% of the community
0.7% of this CD
100.0% of the community
0.1% of this CD
100.0% of the community
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