† 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
GroupOakleyCaliforniaUnited States
German9.5%6.8%12.5%
English9.5%6.3%9.5%
Irish8.7%5.9%9.4%
Italian5.6%3.4%4.8%
American2.6%2.8%5.3%
French1.8%1.3%1.6%
Scottish1.8%0.9%1.3%
Polish1.5%0.9%2.2%
Mexican22.8%32.3%11.3%
Salvadoran3.3%2.0%0.7%
Guatemalan1.4%1.3%0.5%
Nicaraguan1.1%0.3%—
Peruvian1.0%——
Puerto Rican0.9%0.6%1.8%
Spaniard0.9%0.3%—
Spanish0.8%0.3%—
Filipino2.7%3.3%0.9%
Chinese2.3%3.9%1.3%
Asian Indian2.0%2.3%1.4%
Korean0.5%1.2%0.4%
Vietnamese0.4%1.7%0.6%
Japanese0.3%0.6%0.2%
Pakistani0.2%——
Afghan0.2%——
African American†7.7%4.4%9.9%
African0.5%0.3%0.5%
Nigerian0.3%—0.2%
Aztec3.5%0.3%—
Maya2.3%——
Samoan2.3%——
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
Oakley
California
United States
Median age
36.6
37.9
39.1
Age 18–24
9.8%
9.1%
9.2%
Age 65 and older
11.6%
15.6%
17.2%
Household economy
Measure
Oakley
California
United States
Median household income
$137,677
$99,122
$84,427
Poverty rate
6.1%
12.0%
12.5%
Bachelor's degree or higher (25+)
24.3%
36.6%
35.6%
Languages at home
Measure
Oakley
California
United States
Speaks a non-English language at home
30.7%
44.4%
22.3%
Spanish
21.5%
28.4%
13.6%
Other Indo-European
2.8%
3.4%
2.0%
Tagalog (incl. Filipino)
3.9%
2.1%
0.6%
Religious landscape
Measure
Oakley
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.
Oakley, California
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2004
+9.9%
2008
+23.7%
2012
+22.9%
2016
+19.1%
2020
+18.0%
2024
+7.0%
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
52.2%Harris10,120
45.2%Trump8,771
2.6%
D+7.0
R+11.1
D+8.4
19,404
D
57.8%Biden11,357
39.8%Trump7,815
2.4%
D+18.0
R+1.1
D+13.6
19,652
D
56.3%Clinton7,849
37.2%Trump5,189
6.4%
D+19.1
R+3.8
D+17.0
13,932
D
60.1%Obama7,114
37.2%Romney4,405
2.7%
D+22.9
R+0.8
D+19.0
11,837
D
61.7%Obama6,826
38.0%McCain4,204
0.4%
D+23.7
D+13.7
D+16.4
11,071
D
54.0%Kerry5,741
44.1%Bush4,684
1.9%
D+9.9
—
D+12.4
10,628
Oakley sits at the eastern edge of Contra Costa County, where rapid residential expansion has drawn working-class and middle-income families from pricier Bay Area markets, gradually reshaping a voter base that once leaned more heavily toward one party.
Across the recorded series it reached a Democratic high of 23.7 points in 2008. Between 2020 and 2024 the city moved 11.1 points toward the Republican candidate; the 2024 margin was 7.0 points.
A population of 45,183, a 42% non-Hispanic-white share, and a median household income of $137,677 describe the city. The city's voting pattern over the last decade is most similar to that of Gilroy and Pittsburg.
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, Oakley, California voted Democratic by 7.0 points (D+7.0), carried by the Democratic candidate. Out of 19,404 votes cast, 10,120 went Democratic and 8,771 went Republican.
How many people live in Oakley, California?
Oakley, California has a population of 45,183 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Oakley, California?
Median household income in Oakley, California is $137,677 — above the national median of $80,734. The California state median is $99,122.
What is the political history of Oakley, California?
Akashic tracks 6 presidential elections in Oakley, California from 2004 to 2024. Of those, 6 went Democratic and 0 went Republican.
