† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
20042024
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupBrentwoodCaliforniaUnited States
German9.7%6.8%12.5%
English9.7%6.3%9.5%
Irish8.8%5.9%9.4%
Italian5.7%3.4%4.8%
American2.7%2.8%5.3%
French1.8%1.3%1.6%
Scottish1.8%0.9%1.3%
Polish1.6%0.9%2.2%
Mexican17.8%32.3%11.3%
Salvadoran2.6%2.0%0.7%
Guatemalan1.1%1.3%0.5%
Nicaraguan0.9%0.3%—
Peruvian0.8%——
Puerto Rican0.7%0.6%1.8%
Spaniard0.7%0.3%—
Spanish0.6%0.3%—
Filipino4.2%3.3%0.9%
Chinese3.7%3.9%1.3%
Asian Indian3.2%2.3%1.4%
Korean0.8%1.2%0.4%
Vietnamese0.7%1.7%0.6%
Japanese0.5%0.6%0.2%
Pakistani0.3%——
Afghan0.3%——
African American†7.3%4.4%9.9%
African0.4%0.3%0.5%
Nigerian0.3%—0.2%
Aztec2.6%0.3%—
Maya1.7%——
Samoan1.7%——
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
Brentwood
California
United States
Median age
40.2
37.9
39.1
Age 18–24
8.5%
9.1%
9.2%
Age 65 and older
15.8%
15.6%
17.2%
Household economy
Measure
Brentwood
California
United States
Median household income
$142,494
$99,122
$84,427
Poverty rate
8.4%
12.0%
12.5%
Bachelor's degree or higher (25+)
39.3%
36.6%
35.6%
Languages at home
Measure
Brentwood
California
United States
Speaks a non-English language at home
30.3%
44.4%
22.3%
Spanish
14.1%
28.4%
13.6%
Other Indo-European
4.9%
3.4%
2.0%
Chinese (incl. Mandarin & Cantonese)
2.2%
3.5%
1.1%
Tagalog (incl. Filipino)
3.0%
2.1%
0.6%
Religious landscape
Measure
Brentwood
California
United States
Catholic
—
26.2%
18.6%
Evangelical Protestant
—
9.0%
16.5%
Unclaimed / not counted
—
55.2%
51.5%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Brentwood, California
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2004
+1.4%
2008
+15.0%
2012
+9.8%
2016
+13.6%
2020
+17.7%
2024
+12.4%
DemocraticRepublican
6 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year. Third-party votes in 2012 are allocated from certified county totals by this place's share of each county's two-party vote — that cycle's precinct source records two-party splits. † 2004 sub-county results are estimated: the source's block-level detail for this cycle was unreliable — either county/municipality-level consolidated reporting (COVID-era) or a precinct-to-block allocation that misplaced votes — so the figures are allocated from the constituent county totals in proportion to the place and scaled to certified totals.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
D
54.7%Harris17,754
42.2%Trump13,716
3.1%
D+12.4
R+5.2
D+13.9
32,472
D
57.8%Biden19,580
40.1%Trump13,591
2.1%
D+17.7
D+4.1
D+13.2
33,884
D
54.0%Clinton13,115
40.4%Trump9,820
5.6%
D+13.6
D+3.8
D+11.5
24,304
D
53.6%Obama11,434
43.8%Romney9,343
2.7%
D+9.8
R+5.2
D+5.9
21,351
D
57.3%Obama11,379
42.3%McCain8,395
0.4%
D+15.0
D+13.7
D+7.8
19,855
D
49.8%Kerry9,576
48.5%Bush9,315
1.7%
D+1.4
—
D+3.8
19,224
Brentwood's population roughly doubled between 2000 and 2020 as Bay Area spillover transformed it from an agricultural town into a commuter city, producing a voter mix that has swung competitive in county-level races.
Across the recorded series it reached a Democratic high of 17.7 points in 2020. Between 2020 and 2024 the city moved 5.2 points toward the Republican candidate; the 2024 margin was 12.4 points.
A population of 65,208, a 43% non-Hispanic-white share, and a median household income of $142,494 describe the city. The city's voting pattern over the last decade is most similar to that of Morgan Hill and Livermore.
Akashic
Political twins — cities
The cities whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
In 2024, Brentwood, California voted Democratic by 12.4 points (D+12.4), carried by the Democratic candidate. Out of 32,472 votes cast, 17,754 went Democratic and 13,716 went Republican.
How many people live in Brentwood, California?
Brentwood, California has a population of 65,208 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Brentwood, California?
Median household income in Brentwood, California is $142,494 — above the national median of $80,734. The California state median is $99,122.
What is the political history of Brentwood, California?
Akashic tracks 6 presidential elections in Brentwood, California from 2004 to 2024. Of those, 6 went Democratic and 0 went Republican.
