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Contra Costa and Alameda Counties

10th Congressional District (2022)

Representative: Mark DeSaulnier (D)
760,066 Population
501,677 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These maps were put into place during the 2022 redistricting but are no longer in effect starting with the 2026 election cycle, due to the passage of Proposition 50.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 10th Congressional District.
Contra Costa and Alameda Counties

10th Congressional District (2022)

Representative: Mark DeSaulnier (D)
760,066 Population
501,677 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These maps were put into place during the 2022 redistricting but are no longer in effect starting with the 2026 election cycle, due to the passage of Proposition 50.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 10th Congressional District.

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Population Overlap

10th Congressional District (2022)
Total Population 760,066
148 overlapping jurisdictions
11 jurisdiction types
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Counties

2 jurisdictions
7.2% of this CD
3.3% of the county
7.2% of this CD
15.7% of the subdistrict
16th Assembly District Rebecca Bauer-Kahan (D)
47.5% of this CD
70.0% of the subdistrict
20th Assembly District Liz Ortega (D)
1.5% of this CD
2.3% of the subdistrict
9th State Senate District Tim Grayson (D)
77.9% of this CD
59.6% of the subdistrict
5th State Senate District Jerry McNerney (D)
7.2% of this CD
5.4% of the subdistrict
100.0% of this CD
7.6% of the subdistrict
City of Dublin Sherry Hu
7.2% of this CD
76.9% of the subdistrict
7.2% of this CD
76.8% of the subdistrict
7.3% of this CD
7.7% of the subdistrict
7.2% of this CD
3.3% of the subdistrict
82.9% of this CD
82.9% of the subdistrict
7.2% of this CD
7.2% of the subdistrict
92.8% of this CD
60.4% of the county
32.2% of this CD
100.0% of the subdistrict
21.9% of this CD
75.0% of the subdistrict
32.0% of this CD
100.0% of the subdistrict
County of Contra Costa - District 5 Shanelle Scales-Preston
6.7% of this CD
22.9% of the subdistrict
11th Assembly District Lori D. Wilson (D)
6.5% of this CD
9.5% of the subdistrict
15th Assembly District Anamarie Ávila Farías (D)
44.5% of this CD
66.0% of the subdistrict
16th Assembly District Rebecca Bauer-Kahan (D)
47.5% of this CD
70.0% of the subdistrict
9th State Senate District Tim Grayson (D)
77.9% of this CD
59.6% of the subdistrict
3rd State Senate District Christopher Cabaldon (D)
14.9% of this CD
11.0% of the subdistrict
100.0% of this CD
7.6% of the subdistrict
City of Antioch Ron Bernal
6.9% of this CD
45.4% of the subdistrict
City of Brentwood Susannah Meyer
8.4% of this CD
99.2% of the subdistrict
1.5% of this CD
100.0% of the subdistrict
16.5% of this CD
100.0% of the subdistrict
5.7% of this CD
100.0% of the subdistrict
3.3% of this CD
100.0% of the subdistrict
City of Martinez Brianne Zorn
4.1% of this CD
83.8% of the subdistrict
2.2% of this CD
100.0% of the subdistrict
5.7% of this CD
100.0% of the subdistrict
2.6% of this CD
100.0% of the subdistrict
4.6% of this CD
100.0% of the subdistrict
City of San Ramon Mark Armstrong
11.4% of this CD
100.0% of the subdistrict
9.2% of this CD
100.0% of the subdistrict
15.7% of this CD
100.0% of the subdistrict
7.4% of this CD
46.9% of the subdistrict
8.8% of this CD
99.1% of the subdistrict
0.0% of this CD
98.2% of the subdistrict
0.3% of this CD
50.9% of the subdistrict
3.8% of this CD
100.0% of the subdistrict
14.5% of this CD
86.2% of the subdistrict
3.3% of this CD
80.3% of the subdistrict
2.3% of this CD
100.0% of the subdistrict
30.4% of this CD
86.4% of the subdistrict
5.4% of this CD
100.0% of the subdistrict
2.6% of this CD
99.9% of the subdistrict
21.5% of this CD
100.0% of the subdistrict
7.1% of this CD
100.0% of the subdistrict
92.7% of this CD
60.4% of the subdistrict
7.3% of this CD
7.7% of the subdistrict
92.8% of this CD
60.4% of the subdistrict
9.8% of this CD
9.8% of the subdistrict
82.9% of this CD
82.9% of the subdistrict
0.2% of this CD
100.0% of the subdistrict
2.0% of this CD
100.0% of the subdistrict
0.1% of this CD
100.0% of the subdistrict
0.7% of this CD
100.0% of the subdistrict
0.2% of this CD
100.0% of the subdistrict
0.1% of this CD
100.0% of the subdistrict
0.9% 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
1.3% of this CD
100.0% of the subdistrict
0.2% 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
0.1% of this CD
100.0% of the subdistrict
0.6% of this CD
100.0% of the subdistrict
0.4% of this CD
100.0% of the subdistrict
0.5% of this CD
100.0% of the subdistrict
0.8% of this CD
100.0% of the subdistrict
0.1% of this CD
100.0% of the subdistrict
0.6% of this CD
100.0% of the subdistrict

Cities

14 jurisdictions
City of Antioch Ron Bernal
6.9% of this CD
45.4% of the city
3.4% of this CD
84.9% of the subdistrict
3.5% of this CD
94.8% of the subdistrict
City of Brentwood Susannah Meyer
8.4% of this CD
99.2% of the city
2.1% of this CD
100.0% of the subdistrict
City of Brentwood - District 2 Pa'tanisha Pierson
2.1% of this CD
100.0% of the subdistrict
2.2% of this CD
100.0% of the subdistrict
2.0% of this CD
96.6% of the subdistrict
1.5% of this CD
100.0% of the city
16.5% of this CD
100.0% of the city
City of Concord - District 1 Laura Hoffmeister
3.2% of this CD
100.0% of the subdistrict
3.5% of this CD
100.0% of the subdistrict
3.4% of this CD
100.0% of the subdistrict
3.2% of this CD
100.0% of the subdistrict
3.2% of this CD
100.0% of the subdistrict
5.7% of this CD
100.0% of the city
City of Dublin Sherry Hu
7.2% of this CD
76.9% of the city
City of Dublin - District 1 Michael McCorriston
0.6% of this CD
23.7% of the subdistrict
2.0% of this CD
83.6% of the subdistrict
2.3% of this CD
100.0% of the subdistrict
2.3% of this CD
100.0% of the subdistrict
3.3% of this CD
100.0% of the city
City of Martinez Brianne Zorn
4.1% of this CD
83.8% of the city
0.4% of this CD
34.8% of the subdistrict
1.2% of this CD
100.0% of the subdistrict
City of Martinez - District 3 Satinder S. Malhi
1.3% of this CD
100.0% of the subdistrict
1.2% of this CD
100.0% of the subdistrict
2.2% of this CD
100.0% of the city
5.7% of this CD
100.0% of the city
1.2% of this CD
100.0% of the subdistrict
1.1% of this CD
100.0% of the subdistrict
1.2% of this CD
100.0% of the subdistrict
1.1% of this CD
100.0% of the subdistrict
1.1% of this CD
100.0% of the subdistrict
2.6% of this CD
100.0% of the city
4.6% of this CD
100.0% of the city
0.9% of this CD
100.0% of the subdistrict
0.9% of this CD
100.0% of the subdistrict
0.9% of this CD
100.0% of the subdistrict
0.9% of this CD
100.0% of the subdistrict
0.9% of this CD
100.0% of the subdistrict
City of San Ramon Mark Armstrong
11.4% of this CD
100.0% of the city
2.7% of this CD
100.0% of the subdistrict
3.0% of this CD
100.0% of the subdistrict
2.9% of this CD
100.0% of the subdistrict
2.8% of this CD
100.0% of the subdistrict
9.2% of this CD
100.0% of the city

State Assembly

4 jurisdictions
11th Assembly District Lori D. Wilson (D)
6.5% of this CD
9.5% of the AD
15th Assembly District Anamarie Ávila Farías (D)
44.5% of this CD
66.0% of the AD
16th Assembly District Rebecca Bauer-Kahan (D)
47.5% of this CD
70.0% of the AD
20th Assembly District Liz Ortega (D)
1.5% of this CD
2.3% of the AD

State Senate

3 jurisdictions
3rd State Senate District Christopher Cabaldon (D)
14.9% of this CD
11.0% of the SD
5th State Senate District Jerry McNerney (D)
7.2% of this CD
5.4% of the SD
9th State Senate District Tim Grayson (D)
77.9% of this CD
59.6% of the SD

Congressional (2026)

3 jurisdictions
82.9% of this CD
82.9% of the CD
7.2% of this CD
7.2% of the CD
9.8% of this CD
9.8% of the CD

Board of Equalization

1 jurisdiction
100.0% of this CD
7.6% of the district

School Districts

15 jurisdictions
15.7% of this CD
100.0% of the district
7.4% of this CD
46.9% of the district
2.9% of this CD
88.3% of the trustee area
3.1% of this CD
100.0% of the trustee area
Antioch Unified - District 4 Olga Cobos-Smith
1.4% of this CD
46.0% of the trustee area
8.8% of this CD
99.1% of the district
0.0% of this CD
98.2% of the district
7.2% of this CD
76.8% of the district
0.4% of this CD
22.3% of the trustee area
1.1% of this CD
59.0% of the trustee area
Dublin Unified - District 3 Carolina Martinez
1.9% of this CD
100.0% of the trustee area
1.9% of this CD
100.0% of the trustee area
1.9% of this CD
100.0% of the trustee area
0.3% of this CD
50.9% of the district
3.8% of this CD
100.0% of the district
14.5% of this CD
86.2% of the district
Liberty Union High - District 1 Yolanda Peña-Mendrek
3.4% of this CD
100.0% of the trustee area
3.4% of this CD
100.0% of the trustee area
3.0% of this CD
88.0% of the trustee area
1.4% of this CD
43.0% of the trustee area
3.3% of this CD
100.0% of the trustee area
3.3% of this CD
80.3% of the district
0.4% of this CD
46.7% of the trustee area
Martinez Unified - District 2 Anne Horack Martin
0.4% of this CD
53.5% of the trustee area
0.8% of this CD
100.0% of the trustee area
Martinez Unified - District 4 Courtney Masella-O'Brien
0.8% of this CD
100.0% of the trustee area
0.8% of this CD
99.9% of the trustee area
2.3% of this CD
100.0% of the district
30.4% of this CD
86.4% of the district
2.3% of this CD
32.8% of the trustee area
7.0% of this CD
100.0% of the trustee area
7.0% of this CD
100.0% of the trustee area
7.0% of this CD
100.0% of the trustee area
7.0% of this CD
100.0% of the trustee area
5.4% of this CD
100.0% of the district
1.1% of this CD
100.0% of the trustee area
1.1% of this CD
100.0% of the trustee area
1.1% of this CD
100.0% of the trustee area
1.1% of this CD
100.0% of the trustee area
1.1% of this CD
100.0% of the trustee area
2.6% of this CD
99.9% of the district
21.5% of this CD
100.0% of the district
4.1% of this CD
100.0% of the trustee area
4.4% of this CD
100.0% of the trustee area
4.3% of this CD
100.0% of the trustee area
4.3% of this CD
100.0% of the trustee area
4.4% of this CD
100.0% of the trustee area
7.1% of this CD
100.0% of the district

Community College

2 jurisdictions
7.3% of this CD
7.7% of the CCD
5.9% of this CD
44.9% of the trustee area
1.7% of this CD
12.2% of the trustee area
92.7% of this CD
60.4% of the CCD
27.1% of this CD
88.1% of the trustee area
11.8% of this CD
38.1% of the trustee area
25.3% of this CD
82.3% of the trustee area
28.3% of this CD
93.9% of the trustee area

Supervisor Districts

5 jurisdictions
7.2% of this CD
15.7% of the district
32.2% of this CD
100.0% of the district
21.9% of this CD
75.0% of the district
32.0% of this CD
100.0% of the district
County of Contra Costa - District 5 Shanelle Scales-Preston
6.7% of this CD
22.9% of the district

County Board of Ed

2 jurisdictions
7.2% of this CD
3.3% of the district
7.2% of this CD
22.5% of the trustee area
92.8% of this CD
60.4% of the district
30.1% of this CD
100.0% of the trustee area
10.7% of this CD
35.9% of the trustee area
30.1% of this CD
100.0% of the trustee area
21.9% of this CD
67.1% of the trustee area

Unincorporated Communities

20 jurisdictions
0.2% of this CD
100.0% of the community
2.0% of this CD
100.0% of the community
0.1% of this CD
100.0% of the community
0.3% of this CD
100.0% of the community
1.3% of this CD
100.0% of the community
0.7% 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
0.9% of this CD
100.0% of the community
0.2% 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
0.2% of this CD
100.0% of the community
0.1% of this CD
100.0% of the community
0.6% 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
0.8% of this CD
100.0% of the community
0.1% of this CD
100.0% of the community
0.6% of this CD
100.0% of the community
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