Skip to main content
California State Senate District 20

California State Senate District 20

California · Latest: 2024↑ D+11.9 vs 2020

Safe Democratic — shifted 11.9pp toward Democrats in 2024 — 991K residents

Ask HistorianOpen in ExploreCompareShare image

California State Senate District 20 is a state senate district that has a population of 990,736. In the 2024 presidential election, it voted Democratic with a margin of D+28.1.

California State Senate District 20 Presidential Election Results, 2020–2024
YearDem %Rep %MarginSwing
202462.4%34.4%D+28.1D+11.9
202057.0%40.8%D+16.2—
Similarity Explorer

Similar state senate districts

Nearest neighbors matched on the same place-page feature set used across the dossier system.
8 visible matches
Historian Query

Ask the Historian

Explore CA-SD-20's political evolution with the Historian
Race & Ancestry

Who Lives Here

A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.
CA-SD-20Census ACS 2024
Census race profile
Major Census race and ethnicity groups shown as a share of total population.
Expand rows for ancestry detail
Hispanic 69.8%White (Non-Hispanic) 12.2%Asian 8.4%Black 7.4%Native American 2.3%
GroupCA-SD-20StateNational
Hispanic / Latino
69.8%40.2%19.3%
White (Non-Hispanic)
12.2%33.8%57.4%
Asian
8.4%15.5%6.0%
Black / African American
7.4%5.4%12.2%
Native American / Alaska Native
2.3%1.3%0.9%
Native Hawaiian / Pacific Islander
0.3%0.4%0.2%
Method notes

Census treats race and Hispanic/Latino origin as separate questions. Race categories other than Hispanic reflect total populations (small Hispanic overlap in Black, Asian, AIAN, NHPI). “Multiracial / Other” is derived as a non-overlapping remainder.

Detailed ancestry data unavailable for this geography.

Who lives in California State Senate District 20? 990,736 residents as of the 2020 Census.

Demographic Comparison

Demographics

Read this geography's profile in three layers: local, state (where available), and national baseline.
CA-SD-20 vs California vs National991K residents
Population & electorate

Scale, voting-age share, and this geography's footprint inside the national electorate.

Total population
Local vs state vs U.S.
991K
local
991KState 39.3MNational 334.9M
Share of U.S. population
Local vs state vs U.S.
0.30%
local
0.30%National 100%
Voting-age population
Local vs state vs U.S.
74.2%
local
74.2%State 75.8%National 75.7%
Economic profile

Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.

Median household income
Local vs state vs U.S.
N/A
local
N/AState $102,676National $83,960
Poverty rate
Local vs state vs U.S.
N/A
local
N/AState 12.0%National 12.5%
College degree
Local vs state vs U.S.
N/A
local
N/AState 36.6%National 35.6%
Homeownership
Local vs state vs U.S.
N/A
local
N/AState 55.9%National 65.2%
Community profile

Age structure, language use, and nativity signals that explain how this geography differs from state and nation.

Median age
Local vs state vs U.S.
N/A
local
N/AState 37.9 yrsNational 39.1 yrs
Age 18–29
Local vs state vs U.S.
N/A
local
N/AState 16.2%National 15.7%
Age 65+
Local vs state vs U.S.
N/A
local
N/AState 15.7%National 17.0%
Foreign born
Local vs state vs U.S.
N/A
local
N/AState 27.0%National 14.1%
Non-English at home
Local vs state vs U.S.
N/A
local
N/AState 44.4%National 22.2%
English only
Local vs state vs U.S.
N/A
local
N/AState 55.6%National 77.8%

Other California State Senate Districts

Upgrade Path

Unlock Legislative District Analytics

Advance from the public dossier into precinct-level, insight-rich district intelligence.
Target plan Pro$33/mo
Precinct data, Smart Insights, full history, and export controls tailored to place pages.
Precinct-Level Data
See results for every neighborhood and voting precinct
Smart Insights
Automated highlights from recent election patterns
Full Historical Access
165 years of election data at every level of geography
CSV Exports
Download any table or chart as a CSV file
Upgrade to Pro$33/mo