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San Mateo County

765,436 Population
445,212 Voters

San Mateo County

765,436 Population
445,212 Voters

Unlock full voter and turnout data for San Mateo Voter counts, turnout history, and demographics—ready for your next briefing in minutes, not hours.

Population Overlap

San Mateo County
Total Population 765,436
184 overlapping jurisdictions
11 jurisdiction types
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Cities

20 jurisdictions
0.9% of this county
100.0% of the city
City of Belmont Julia Mates
3.7% of this county
100.0% of the city
0.9% of this county
100.0% of the subdistrict
0.9% of this county
100.0% of the subdistrict
City of Belmont - District 3 Robin Pang-Maganaris
0.9% of this county
100.0% of the subdistrict
0.9% of this county
100.0% of the subdistrict
0.6% of this county
100.0% of the city
4.1% of this county
100.0% of the city
0.9% of this county
100.0% of the subdistrict
0.8% of this county
100.0% of the subdistrict
0.8% of this county
100.0% of the subdistrict
0.8% of this county
100.0% of the subdistrict
0.8% of this county
100.0% of the subdistrict
0.2% of this county
100.0% of the city
13.7% of this county
99.8% of the city
3.9% of this county
100.0% of the city
4.4% of this county
100.0% of the city
1.5% of this county
100.0% of the city
0.3% of this county
100.0% of the subdistrict
0.3% of this county
100.0% of the subdistrict
0.3% of this county
100.0% of the subdistrict
0.3% of this county
100.0% of the subdistrict
0.3% of this county
100.0% of the subdistrict
1.5% of this county
100.0% of the city
4.4% of this county
100.0% of the city
0.9% of this county
100.0% of the subdistrict
0.9% of this county
100.0% of the subdistrict
0.9% of this county
100.0% of the subdistrict
0.9% of this county
99.9% of the subdistrict
0.9% of this county
100.0% of the subdistrict
3.0% of this county
100.0% of the city
0.6% of this county
100.0% of the subdistrict
0.6% of this county
100.0% of the subdistrict
0.6% of this county
100.0% of the subdistrict
0.6% of this county
100.0% of the subdistrict
0.6% of this county
100.0% of the subdistrict
5.0% of this county
100.0% of the city
1.0% of this county
100.0% of the subdistrict
1.0% of this county
100.0% of the subdistrict
1.0% of this county
100.0% of the subdistrict
1.0% of this county
100.0% of the subdistrict
1.0% of this county
100.0% of the subdistrict
0.6% of this county
99.9% of the city
11.0% of this county
100.0% of the city
1.7% of this county
100.0% of the subdistrict
1.6% of this county
100.0% of the subdistrict
1.6% of this county
100.0% of the subdistrict
City of Redwood City - District 4 Elmer Martínez Saballos
1.5% of this county
100.0% of the subdistrict
1.6% of this county
100.0% of the subdistrict
1.6% of this county
100.0% of the subdistrict
1.6% of this county
100.0% of the subdistrict
City of San Bruno Rico E. Medina
5.7% of this county
100.0% of the city
1.5% of this county
100.0% of the subdistrict
1.4% of this county
100.0% of the subdistrict
1.4% of this county
100.0% of the subdistrict
1.4% of this county
100.0% of the subdistrict
4.0% of this county
100.0% of the city
13.8% of this county
100.0% of the city
2.8% of this county
100.0% of the subdistrict
2.8% of this county
100.0% of the subdistrict
2.8% of this county
100.0% of the subdistrict
City of San Mateo - District 4 Danielle Cwirko-Godycki
2.6% of this county
100.0% of the subdistrict
2.8% of this county
100.0% of the subdistrict
8.6% of this county
100.0% of the city
1.7% of this county
100.0% of the subdistrict
1.7% of this county
100.0% of the subdistrict
1.7% of this county
100.0% of the subdistrict
1.7% of this county
100.0% of the subdistrict
1.8% of this county
100.0% of the subdistrict
0.7% of this county
100.0% of the city
0.1% of this county
100.0% of the subdistrict
0.1% of this county
100.0% of the subdistrict
0.1% of this county
100.0% of the subdistrict
0.1% of this county
100.0% of the subdistrict
0.1% of this county
100.0% of the subdistrict

State Assembly

3 jurisdictions
19th Assembly District Catherine Stefani (D)
19.3% of this county
29.3% of the AD
21st Assembly District Diane Papan (D)
64.5% of this county
100.0% of the AD
23rd Assembly District Marc Berman (D)
16.2% of this county
26.2% of the AD

State Senate

2 jurisdictions
11th State Senate District Scott Wiener (D)
19.3% of this county
14.4% of the SD
13th State Senate District Josh Becker (D)
80.8% of this county
61.1% of the SD

Congressional (2022)

2 jurisdictions
84.3% of this county
84.9% of the CD
15.7% of this county
15.8% of the CD

Congressional (2026)

2 jurisdictions
84.3% of this county
84.9% of the CD
15.7% of this county
15.8% of the CD

Board of Equalization

1 jurisdiction
100.0% of this county
7.7% of the district

School Districts

22 jurisdictions
0.8% of this county
99.7% of the district
5.9% of this county
100.0% of the district
1.2% of this county
100.0% of the trustee area
1.1% of this county
100.0% of the trustee area
1.2% of this county
100.0% of the trustee area
1.2% of this county
100.0% of the trustee area
1.2% of this county
100.0% of the trustee area
1.2% of this county
100.0% of the district
4.3% of this county
100.0% of the district
0.9% of this county
100.0% of the trustee area
0.9% of this county
100.0% of the trustee area
0.8% of this county
100.0% of the trustee area
0.9% of this county
100.0% of the trustee area
0.8% of this county
100.0% of the trustee area
3.4% of this county
100.0% of the district
0.7% of this county
100.0% of the trustee area
0.7% of this county
100.0% of the trustee area
0.7% of this county
100.0% of the trustee area
0.7% of this county
100.0% of the trustee area
0.7% of this county
100.0% of the trustee area
1.5% of this county
100.0% of the district
18.7% of this county
100.0% of the district
0.5% of this county
100.0% of the district
1.5% of this county
100.0% of the district
3.7% of this county
100.0% of the district
3.4% of this county
100.0% of the district
5.0% of this county
100.0% of the district
0.9% of this county
100.0% of the district
4.8% of this county
100.0% of the district
13.2% of this county
100.0% of the district
Redwood City Elementary - District 1 Jennifer Ng Kwing King
2.7% of this county
100.0% of the trustee area
2.5% of this county
100.0% of the trustee area
2.8% of this county
100.0% of the trustee area
2.6% of this county
100.0% of the trustee area
2.6% of this county
100.0% of the trustee area
5.1% of this county
100.0% of the district
1.0% of this county
100.0% of the trustee area
1.1% of this county
100.0% of the trustee area
1.0% of this county
100.0% of the trustee area
1.0% of this county
100.0% of the trustee area
1.0% of this county
100.0% of the trustee area
3.8% of this county
100.0% of the district
32.6% of this county
100.0% of the district
6.4% of this county
100.0% of the trustee area
6.5% of this county
100.0% of the trustee area
6.7% of this county
100.0% of the trustee area
San Mateo Union High - District 4 Ligia Andrade Zúñiga
6.6% of this county
100.0% of the trustee area
6.5% of this county
100.0% of the trustee area
18.3% of this county
100.0% of the district
3.7% of this county
100.0% of the trustee area
3.8% of this county
100.0% of the trustee area
3.5% of this county
100.0% of the trustee area
3.7% of this county
100.0% of the trustee area
3.7% of this county
100.0% of the trustee area
34.1% of this county
100.0% of the district
7.0% of this county
100.0% of the trustee area
6.7% of this county
100.0% of the trustee area
6.8% of this county
100.0% of the trustee area
6.9% of this county
100.0% of the trustee area
6.7% of this county
100.0% of the trustee area
10.6% of this county
100.0% of the district
2.0% of this county
100.0% of the trustee area
2.1% of this county
100.0% of the trustee area
2.1% of this county
100.0% of the trustee area
2.0% of this county
100.0% of the trustee area
2.3% of this county
100.0% of the trustee area
0.4% of this county
100.0% of the district

Community College

1 jurisdiction
99.4% of this county
100.0% of the CCD
19.5% of this county
100.0% of the trustee area
19.3% of this county
99.7% of the trustee area
20.7% of this county
100.0% of the trustee area
20.3% of this county
100.0% of the trustee area
20.2% of this county
100.0% of the trustee area

Supervisor Districts

5 jurisdictions
19.3% of this county
100.0% of the district
20.7% of this county
100.0% of the district
20.1% of this county
100.0% of the district
20.1% of this county
100.0% of the district
19.8% of this county
99.7% of the district

County Board of Ed

1 jurisdiction
99.9% of this county
100.0% of the district
14.2% of this county
100.0% of the trustee area
13.8% of this county
99.6% of the trustee area
15.7% of this county
100.0% of the trustee area
14.0% of this county
100.0% of the trustee area
14.1% of this county
100.0% of the trustee area
14.0% of this county
100.0% of the trustee area
14.2% of this county
100.0% of the trustee area

Unincorporated Communities

13 jurisdictions
0.2% of this county
100.0% of the community
0.6% of this county
100.0% of the community
0.7% of this county
100.0% of the community
0.6% of this county
100.0% of the community
0.3% of this county
100.0% of the community
0.1% of this county
100.0% of the community
0.2% of this county
100.0% of the community
0.0% of this county
100.0% of the community
0.4% of this county
100.0% of the community
0.4% of this county
100.0% of the community
1.8% of this county
100.0% of the community
0.1% of this county
100.0% of the community
0.5% of this county
100.0% of the community
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