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Castaic CDP, California

Castaic CDP, California

Census Designated Place · Latest: 2024↓ R+2.9 vs 2020

Leans Republican — 19K residents

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Place Story

What defines Castaic CDP

Methodology
Similarity Explorer

Similar cities

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

Located In

Castaic CDP sits inside these higher-level geographies.
Historian Query

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Explore Castaic CDP'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.
Castaic CDPCensus ACS 2024
Census race profile
Major Census race and ethnicity groups shown as a share of total population.
Expand rows for ancestry detail
White (Non-Hispanic) 48.6%Hispanic 31.1%Asian 11.2%Multiracial 4.5%Black 3.3%Native American 1.1%
GroupCastaic CDPNational
White (Non-Hispanic)
48.6%57.4%
Hispanic / Latino
31.1%19.3%
Asian
11.2%6.0%
Multiracial / Other
4.5%4.0%
Black / African American
3.3%12.2%
Native American / Alaska Native
1.1%0.9%
Native Hawaiian / Pacific Islander
0.2%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 Castaic CDP? 18,937 residents as of the 2020 Census.

Demographic Comparison

Demographics

Read this geography's profile in three layers: local, state (where available), and national baseline.
Castaic CDP vs National19K residents
Population & electorate

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

Total population
Local vs state vs U.S.
19K
local
19KNational 334.9M
Share of U.S. population
Local vs state vs U.S.
0.01%
local
0.01%National 100%
Voting-age population
Local vs state vs U.S.
76.5%
local
76.5%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/ANational $83,960
Poverty rate
Local vs state vs U.S.
N/A
local
N/ANational 12.5%
College degree
Local vs state vs U.S.
N/A
local
N/ANational 35.6%
Homeownership
Local vs state vs U.S.
N/A
local
N/ANational 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/ANational 39.1 yrs
Age 18–29
Local vs state vs U.S.
N/A
local
N/ANational 15.7%
Age 65+
Local vs state vs U.S.
N/A
local
N/ANational 17.0%
Foreign born
Local vs state vs U.S.
N/A
local
N/ANational 14.1%
Non-English at home
Local vs state vs U.S.
N/A
local
N/ANational 22.2%
English only
Local vs state vs U.S.
N/A
local
N/ANational 77.8%
Voter Turnout

Turnout in Castaic CDP

Estimated using 2020 Census voting-age population.
2024 Turnout
72.4%
vs Previous
+0.7pp
Voting-Age Pop
14,483
History
2008–2024
Competitiveness

How competitive is Castaic CDP?

Likely RAvg margin: R+11.0 (last 3 elections)
2008
R+6.3
2012
R+15.8
2016
R+11.1
2020
R+9.5
2024
R+12.4
Elasticity
9.4pp
margin range
Party Flips
0
last 30 years
5-Elec Avg
R+11.0
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