How did Mountain House CDP, California vote in the 2024 presidential election?

Mountain House CDP, California voted Democratic in 2024 with a margin of D+14.8. Kamala D Harris received 4,188 votes and Donald Trump received 3,040 out of 7,741 total votes cast, a 21.6-point shift toward Republicans from 2020.

What is Mountain House CDP, California's political history?

Mountain House CDP, California has 5 presidential elections on record, spanning 2008 to 2024. It has voted Democratic in every presidential election since 2008. The largest single-election swing was 21.6 points in 2024.

What are the demographics of Mountain House CDP, California?

Mountain House CDP, California has a population of 24,499 according to the 2020 Census. The racial composition is 18.7% non-Hispanic white, 13.0% Hispanic, 7.3% Black.

Which places are most similar to Mountain House CDP, California?

Based on demographic and electoral similarity analysis, the three most similar citys to Mountain House CDP, California are Lathrop City, Eastvale City, Vineyard CDP. Similarity is computed using a vector embedding of demographic, economic, and electoral characteristics.

What county and districts is Mountain House CDP, California in?

Mountain House CDP, California is located within the following geographies: State: California. Akashic Edge provides election data and demographic analysis for each of these containing areas.

Mountain House CDP, California

Census Designated Place · Latest: 2024↓ R+21.6 vs 2020

Leans Democratic — shifted 21.6pp toward Republicans in 2024 — 24K residents

Ask Historian Open in Explore CompareShare image

POPULATION
24K
PRES MARGIN
D+14.8
2024

Place Story

What defines Mountain House CDP

Methodology

Reliably Democratic since 2008
- Safe D
- 5 straight D wins
Mobilization target, not persuasion target.
Biggest swing: R+21.6 in 2024
- 2020 → 2024
Volatile behavior — treat historical margins with caution.
Demographically distinctive: 19% non-Hispanic white (-39pp vs national)
- 19% non-Hispanic white (-39pp vs national)

Similarity Explorer

Similar cities

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

8 visible matches

Lathrop CityCA

Educated urban democratic 3

D+9.6

Similarity score95%

Eastvale CityCA

Educated urban democratic 3

R+4.3

Similarity score95%

Vineyard CDPCA

Educated urban democratic 3

D+14.5

Similarity score95%

Florin CDPCA

Educated urban democratic 3

D+23.6

Similarity score94%

Tracy CityCA

Educated urban democratic

D+9.8

Similarity score92%

Iselin CDPNJ

Educated urban democratic 3

R+0.1

Similarity score92%

Four Corners CDPTX

Educated urban democratic 3

D+19.5

Similarity score92%

Stockton CityCA

Educated urban democratic

D+16.6

Similarity score91%

Containing Geography

Located In

Mountain House CDP sits inside these higher-level geographies.

California(State)

Historian Query

Ask the Historian

Explore Mountain House CDP's political evolution with the Historian

“How has Mountain House CDP, California 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.

Mountain House CDPCensus ACS 2024

Census race profile

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

Expand rows for ancestry detail

Asian 54.6%White (Non-Hispanic) 18.7%Hispanic 13.0%Black 7.3%Multiracial 5.0%Native American 0.8%Native Hawaiian 0.6%

Group	Mountain House CDP	National
Asian	54.6%	6.0%
White (Non-Hispanic)	18.7%	57.4%
Hispanic / Latino	13.0%	19.3%
Black / African American	7.3%	12.2%
Multiracial / Other	5.0%	4.0%
Native American / Alaska Native	0.8%	0.9%
Native Hawaiian / Pacific Islander	0.6%	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 Mountain House CDP? 24,499 residents as of the 2020 Census.

Demographic Comparison

Demographics

Read this geography's profile in three layers: local, state (where available), and national baseline.

Mountain House CDP vs National24K residents

Population & electorate

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

Total population

Local vs state vs U.S.

24K

local

24KNational 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.

65.3%

local

65.3%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 Mountain House CDP

Estimated using 2020 Census voting-age population.

2024 Turnout

48.4%

vs Previous

+0.2pp

Voting-Age Pop

15,990

History

2008–2024

Competitiveness

How competitive is Mountain House CDP?

Safe DAvg margin: D+30.2 (last 3 elections)

2008

D+29.5

2012

D+34.8

2016

D+39.2

2020

D+36.4

2024

D+14.8

Elasticity

24.4pp

margin range

Party Flips

last 30 years

5-Elec Avg

D+31.0

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