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County of San Mateo - District 1

Supervisor: Jackie Speier
147,361 Population
88,852 Voters

County of San Mateo - District 1

Supervisor: Jackie Speier
147,361 Population
88,852 Voters

Unlock full voter and turnout data for 1st Supervisorial District Voter counts, turnout history, and demographics—ready for your next briefing in minutes, not hours.

Population Overlap

County of San Mateo - District 1
Total Population 147,361
66 overlapping jurisdictions
11 jurisdiction types
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Counties

1 jurisdiction
100.0% of this district
19.3% of the county
19th Assembly District Catherine Stefani (D)
12.1% of this district
3.5% of the subdistrict
21st Assembly District Diane Papan (D)
87.9% of this district
26.2% of the subdistrict
13th State Senate District Josh Becker (D)
87.9% of this district
12.8% of the subdistrict
11th State Senate District Scott Wiener (D)
12.1% of this district
1.8% of the subdistrict
100.0% of this district
19.4% of the subdistrict
100.0% of this district
1.5% of the subdistrict
21.3% of this district
100.0% of the subdistrict
0.1% of this district
4.0% of the subdistrict
7.7% of this district
99.8% of the subdistrict
15.8% of this district
100.0% of the subdistrict
City of San Bruno Rico E. Medina
16.8% of this district
56.4% of the subdistrict
34.5% of this district
77.2% of the subdistrict
0.3% of this district
4.5% of the subdistrict
22.1% of this district
100.0% of the subdistrict
7.7% of this district
99.9% of the subdistrict
17.8% of this district
100.0% of the subdistrict
14.8% of this district
55.7% of the subdistrict
2.8% of this district
2.9% of the subdistrict
65.2% of this district
38.5% of the subdistrict
34.5% of this district
62.7% of the subdistrict
99.9% of this district
19.3% of the subdistrict
100.0% of this district
19.3% of the subdistrict
100.0% of this district
19.4% of the subdistrict
1.2% of this district
99.7% of the subdistrict
1.6% of this district
100.0% of the subdistrict

Cities

6 jurisdictions
21.3% of this district
100.0% of the city
4.4% of this district
100.0% of the subdistrict
4.2% of this district
100.0% of the subdistrict
4.2% of this district
100.0% of the subdistrict
4.1% of this district
100.0% of the subdistrict
4.3% of this district
100.0% of the subdistrict
0.1% of this district
4.0% of the city
7.7% of this district
99.8% of the city
15.8% of this district
100.0% of the city
3.1% of this district
100.0% of the subdistrict
3.1% of this district
100.0% of the subdistrict
3.2% of this district
100.0% of the subdistrict
3.1% of this district
100.0% of the subdistrict
3.2% of this district
100.0% of the subdistrict
City of San Bruno Rico E. Medina
16.8% of this district
56.4% of the city
2.4% of this district
31.7% of the subdistrict
7.2% of this district
100.0% of the subdistrict
7.3% of this district
100.0% of the subdistrict
34.5% of this district
77.2% of the city
8.8% of this district
100.0% of the subdistrict
8.8% of this district
100.0% of the subdistrict
7.8% of this district
88.5% of the subdistrict
9.2% of this district
100.0% of the subdistrict

State Assembly

2 jurisdictions
19th Assembly District Catherine Stefani (D)
12.1% of this district
3.5% of the AD
21st Assembly District Diane Papan (D)
87.9% of this district
26.2% of the AD

State Senate

2 jurisdictions
11th State Senate District Scott Wiener (D)
12.1% of this district
1.8% of the SD
13th State Senate District Josh Becker (D)
87.9% of this district
12.8% of the SD

Congressional (2022)

1 jurisdiction
100.0% of this district
19.4% of the CD

Congressional (2026)

1 jurisdiction
100.0% of this district
19.4% of the CD

Board of Equalization

1 jurisdiction
100.0% of this district
1.5% of the district

School Districts

8 jurisdictions
0.3% of this district
4.5% of the district
22.1% of this district
100.0% of the district
4.5% of this district
100.0% of the trustee area
4.6% of this district
100.0% of the trustee area
4.3% of this district
100.0% of the trustee area
4.4% of this district
100.0% of the trustee area
4.4% of this district
100.0% of the trustee area
7.7% of this district
99.9% of the district
17.8% of this district
100.0% of the district
14.8% of this district
55.7% of the district
0.6% of this district
9.7% of the trustee area
3.7% of this district
69.9% of the trustee area
5.2% of this district
100.0% of the trustee area
5.4% of this district
100.0% of the trustee area
65.2% of this district
38.5% of the district
21.2% of this district
64.1% of the trustee area
33.5% of this district
100.0% of the trustee area
10.5% of this district
30.1% of the trustee area
2.8% of this district
2.9% of the district
2.8% of this district
15.5% of the trustee area
34.5% of this district
62.7% of the district
1.1% of this district
10.7% of the trustee area
10.9% of this district
98.4% of the trustee area
10.5% of this district
99.5% of the trustee area
12.0% of this district
100.0% of the trustee area

Community College

1 jurisdiction
99.9% of this district
19.3% of the CCD
20.4% of this district
20.3% of the trustee area
76.9% of this district
71.4% of the trustee area
2.8% of this district
2.6% of the trustee area

County Board of Ed

1 jurisdiction
100.0% of this district
19.3% of the district
49.3% of this district
60.5% of the trustee area
2.8% of this district
3.9% of the trustee area
47.6% of this district
64.9% of the trustee area

Unincorporated Communities

2 jurisdictions
1.2% of this district
99.7% of the community
1.6% of this district
100.0% of the community
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