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Solano and Contra Costa Counties

8th Congressional District (2022)

Representative: John Garamendi (D)
760,064 Population
455,346 Voters
These maps were put into place during the 2022 redistricting but are no longer in effect starting with the 2026 election cycle, due to the passage of Proposition 50. View 2026 8th Congressional District.
Solano and Contra Costa Counties

8th Congressional District (2022)

Representative: John Garamendi (D)
760,064 Population
455,346 Voters
These maps were put into place during the 2022 redistricting but are no longer in effect starting with the 2026 election cycle, due to the passage of Proposition 50. View 2026 8th Congressional District.

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Population Overlap

8th Congressional District (2022)
Total Population 760,064
141 overlapping jurisdictions
11 jurisdiction types
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Counties

2 jurisdictions
58.6% of this CD
38.1% of the county
31.1% of this CD
100.0% of the subdistrict
5.0% of this CD
17.1% of the subdistrict
County of Contra Costa - District 5 Shanelle Scales-Preston
22.5% of this CD
77.1% of the subdistrict
11th Assembly District Lori D. Wilson (D)
41.4% of this CD
61.1% of the subdistrict
14th Assembly District Buffy Wicks (D)
35.8% of this CD
57.1% of the subdistrict
15th Assembly District Anamarie Ávila Farías (D)
22.8% of this CD
33.9% of the subdistrict
9th State Senate District Tim Grayson (D)
22.8% of this CD
17.5% of the subdistrict
3rd State Senate District Christopher Cabaldon (D)
41.4% of this CD
30.4% of the subdistrict
7th State Senate District Jesse Arreguín (D)
35.8% of this CD
28.3% of the subdistrict
58.6% of this CD
4.5% of the subdistrict
City of Antioch Ron Bernal
8.3% of this CD
54.6% of the subdistrict
3.4% of this CD
100.0% of the subdistrict
3.4% of this CD
100.0% of the subdistrict
City of Martinez Brianne Zorn
0.8% of this CD
16.2% of the subdistrict
2.5% of this CD
100.0% of the subdistrict
10.1% 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
8.4% of this CD
53.1% of the subdistrict
2.0% of this CD
100.0% of the subdistrict
0.8% of this CD
19.7% of the subdistrict
4.8% of this CD
13.6% of the subdistrict
8.4% of this CD
100.0% of the subdistrict
34.2% of this CD
100.0% of the subdistrict
58.6% of this CD
38.1% of the subdistrict
58.6% of this CD
38.1% of the subdistrict
77.3% of this CD
77.3% of the subdistrict
18.4% of this CD
18.4% of the subdistrict
4.3% of this CD
4.3% of the subdistrict
3.2% of this CD
100.0% of the subdistrict
0.4% of this CD
100.0% 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
0.0% 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
41.4% of this CD
70.3% 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
5.5% of this CD
49.3% of the subdistrict
11th Assembly District Lori D. Wilson (D)
41.4% of this CD
61.1% of the subdistrict
3rd State Senate District Christopher Cabaldon (D)
41.4% of this CD
30.4% of the subdistrict
41.4% of this CD
3.2% of the subdistrict
3.6% of this CD
100.0% of the subdistrict
City of Fairfield Catherine Moy
15.8% of this CD
100.0% of the subdistrict
3.9% of this CD
100.0% of the subdistrict
City of Vacaville John Carli
0.4% of this CD
3.2% of the subdistrict
City of Vallejo Andrea Sorce
16.6% of this CD
100.0% of the subdistrict
3.6% of this CD
100.0% of the subdistrict
18.7% of this CD
99.8% of the subdistrict
1.8% of this CD
48.1% of the subdistrict
0.3% of this CD
2.4% of the subdistrict
17.1% of this CD
100.0% of the subdistrict
41.4% of this CD
70.7% of the subdistrict
41.4% of this CD
72.2% of the subdistrict
77.3% of this CD
77.3% of the subdistrict
0.0% of this CD
100.0% of the subdistrict
0.2% of this CD
100.0% of the subdistrict

Cities

13 jurisdictions
City of Antioch Ron Bernal
8.3% of this CD
54.6% of the city
City of Antioch - District 1 Tamisha Torres-Walker
3.8% of this CD
100.0% of the subdistrict
3.8% of this CD
98.6% of the subdistrict
0.6% of this CD
15.1% of the subdistrict
0.2% of this CD
5.2% of the subdistrict
3.6% of this CD
100.0% of the city
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
City of Martinez Brianne Zorn
0.8% of this CD
16.2% of the city
0.8% of this CD
65.2% of the subdistrict
2.5% of this CD
100.0% of the city
10.1% 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
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
0.4% of this CD
3.2% of the city
0.2% of this CD
9.4% of the subdistrict
City of Vacaville - District 2 Gregory Ritchie II
0.2% of this CD
9.1% 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

3 jurisdictions
11th Assembly District Lori D. Wilson (D)
41.4% of this CD
61.1% of the AD
14th Assembly District Buffy Wicks (D)
35.8% of this CD
57.1% of the AD
15th Assembly District Anamarie Ávila Farías (D)
22.8% of this CD
33.9% of the AD

State Senate

3 jurisdictions
3rd State Senate District Christopher Cabaldon (D)
41.4% of this CD
30.4% of the SD
7th State Senate District Jesse Arreguín (D)
35.8% of this CD
28.3% of the SD
9th State Senate District Tim Grayson (D)
22.8% of this CD
17.5% of the SD

Congressional (2026)

3 jurisdictions
4.3% of this CD
4.3% of the CD
77.3% of this CD
77.3% of the CD
18.4% of this CD
18.4% of the CD

Board of Equalization

2 jurisdictions
41.4% of this CD
3.2% of the district
58.6% of this CD
4.5% of the district

School Districts

11 jurisdictions
8.4% of this CD
53.1% of the district
Antioch Unified - District 1 Antonio Hernandez
3.3% of this CD
100.0% of the trustee area
0.4% of this CD
11.7% of the trustee area
Antioch Unified - District 4 Olga Cobos-Smith
1.6% of this CD
54.0% of the trustee area
Antioch Unified - District 5 Mary Helen Rocha
3.1% of this CD
98.3% of the trustee area
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
18.7% of this CD
99.8% of the district
2.7% of this CD
99.9% of the trustee area
2.6% of this CD
100.0% of the trustee area
2.6% of this CD
99.8% 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
2.0% of this CD
100.0% of the district
0.8% of this CD
19.7% of the district
0.4% of this CD
53.3% of the trustee area
Martinez Unified - District 2 Anne Horack Martin
0.4% of this CD
46.5% of the trustee area
4.8% of this CD
13.6% of the district
4.8% of this CD
67.2% of the trustee area
8.4% of this CD
100.0% of the district
1.8% of this CD
48.1% of the district
0.6% of this CD
100.0% of the trustee area
1.2% of this CD
38.5% of the trustee area
0.3% of this CD
2.4% of the district
0.3% of this CD
16.9% 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

Community College

2 jurisdictions
58.6% of this CD
38.1% of the CCD
30.8% of this CD
100.0% of the trustee area
3.6% of this CD
11.9% of the trustee area
18.7% of this CD
60.3% of the trustee area
5.5% of this CD
17.7% of the trustee area
41.4% of this CD
70.7% 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
7.5% of this CD
85.4% of the trustee area
8.7% of this CD
100.0% of the trustee area
0.3% of this CD
3.3% of the trustee area
0.2% of this CD
2.4% of the trustee area

Supervisor Districts

7 jurisdictions
31.1% of this CD
100.0% of the district
5.0% of this CD
17.1% of the district
County of Contra Costa - District 5 Shanelle Scales-Preston
22.5% of this CD
77.1% 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
5.5% of this CD
49.3% of the district

County Board of Ed

2 jurisdictions
58.6% of this CD
38.1% of the district
31.1% of this CD
100.0% of the trustee area
19.1% of this CD
64.1% of the trustee area
8.4% of this CD
25.8% of the trustee area
41.4% of this CD
72.2% of the district
5.1% of this CD
68.5% of the trustee area
3.3% of this CD
38.2% of the trustee area
8.1% of this CD
95.8% 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
0.3% of this CD
3.2% of the trustee area
8.3% of this CD
100.0% of the trustee area

Unincorporated Communities

14 jurisdictions
3.2% of this CD
100.0% of the community
0.2% of this CD
100.0% of the community
0.4% of this CD
100.0% of the community
0.5% 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
0.7% 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
0.0% 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
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