How did CA-SD-16, California vote in the 2024 presidential election?

CA-SD-16, California voted Republican in 2024 with a margin of R+8.9. Kamala D Harris received 98,400 votes and Donald Trump received 118,141 out of 222,245 total votes cast, a 17.2-point shift toward Republicans from 2020.

What is CA-SD-16, California's political history?

CA-SD-16, California has 5 presidential elections on record, spanning 2008 to 2024. Democrats have won 4 and Republicans 1 of those contests. The largest single-election swing was 17.2 points in 2024.

What are the demographics of CA-SD-16, California?

CA-SD-16, California has a population of 963,417 according to the 2020 Census. The racial composition is 11.7% non-Hispanic white, 47.6% Hispanic, 4.0% Black.

Which places are most similar to CA-SD-16, California?

Based on demographic and electoral similarity analysis, the three most similar state senate districts to CA-SD-16, California are California State Senate District 23, California State Senate District 14, California State Senate District 29. Similarity is computed using a vector embedding of demographic, economic, and electoral characteristics.

California State Senate District 16

California · Latest: 2024↓ R+17.2 vs 2020

Leans Republican — shifted 17.2pp toward Republicans in 2024 — 963K residents

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Similarity Explorer

Similar state senate districts

Nearest neighbors matched on the same place-page feature set used across the dossier system.

8 visible matches

California State Senate District 23CA

Diverse urban competitive

R+1.7

Similarity score96%

California State Senate District 14CA

Diverse urban competitive

D+4.0

Similarity score96%

California State Senate District 29CA

Diverse urban competitive

D+9.8

Similarity score93%

California State Senate District 31CA

Diverse urban competitive

D+7.6

Similarity score92%

Washington State Senate District 15WA

Diverse urban competitive

R+12.3

Similarity score92%

Arizona State Senate District 22AZ

Diverse urban competitive

D+21.1

Similarity score91%

Arizona State Senate District 23AZ

Diverse urban competitive

D+1.8

Similarity score90%

Colorado State Senate District 13CO

Diverse urban competitive

R+11.5

Similarity score90%

Historian Query

Ask the Historian

Explore CA-SD-16's political evolution with the Historian

“How has California State Senate District 16 voted in presidential elections?”

Race & Ancestry

Who Lives Here

A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.

CA-SD-16Census ACS 2024

Census race profile

Major Census race and ethnicity groups shown as a share of total population.

Expand rows for ancestry detail

Hispanic 47.6%Multiracial 32.0%White (Non-Hispanic) 11.7%Black 4.0%Asian 3.0%Native American 1.6%

Group	CA-SD-16	State	National
Hispanic / Latino	47.6%	40.2%	19.3%
Multiracial / Other	32.0%	3.5%	4.0%
White (Non-Hispanic)	11.7%	33.8%	57.4%
Black / African American	4.0%	5.4%	12.2%
Asian	3.0%	15.5%	6.0%
Native American / Alaska Native	1.6%	1.3%	0.9%
Native Hawaiian / Pacific Islander	0.1%	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 16? 963,417 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-16 vs California vs National963K residents

Population & electorate

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

Total population

Local vs state vs U.S.

963K

local

963KState 39.3MNational 334.9M

Share of U.S. population

Local vs state vs U.S.

0.29%

local

0.29%National 100%

Voting-age population

Local vs state vs U.S.

69.5%

local

69.5%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%

Voter Turnout

Turnout in CA-SD-16

Estimated using 2020 Census voting-age population.

2024 Turnout

33.2%

vs Previous

-3.1pp

Voting-Age Pop

669,833

History

2008–2024

Competitiveness

How competitive is CA-SD-16?

Tilt DAvg margin: D+3.3 (last 3 elections)

2008

D+1.2

2012

D+4.9

2016

D+10.4

2020

D+8.4

2024

R+8.9

Elasticity

19.3pp

margin range

Party Flips

last 30 years

5-Elec Avg

D+3.2

Other California State Senate Districts

39 total

Name	Margin ↓
CA-SD-07	D+71.7
CA-SD-11	D+62.3
CA-SD-28	D+59.7
CA-SD-26	D+54.1
CA-SD-13	D+52.3
CA-SD-35	D+45.8
CA-SD-02	D+43.3
CA-SD-09	D+38.3
CA-SD-10	D+37.3
CA-SD-24	D+36.6
CA-SD-33	D+36.2
CA-SD-15	D+35.0
CA-SD-08	D+32.5
CA-SD-17	D+31.9
CA-SD-20	D+28.1
CA-SD-39	D+27.5
CA-SD-03	D+27.0
CA-SD-25	D+24.3
CA-SD-21	D+22.7
CA-SD-27	D+21.9
CA-SD-30	D+17.3
CA-SD-34	D+16.3
CA-SD-22	D+14.1
CA-SD-18	D+13.1
CA-SD-38	D+12.9

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