Santa Rosa-Petaluma, CA
Latest: 2024
Safe Democratic — shifted 5.3pp toward Republicans in 2024 — 485K residents — 1 counties
Race & ancestry
| Group | % |
|---|---|
▶White (Non-Hispanic)(13) | 57.9% |
▶Hispanic / Latino(19) | 30.0% |
▶Black / African American(12) | 1.6% |
▶Asian(6) | 4.5% |
▶Middle Eastern / North African(10) | 0.8% |
▶Native American / Alaska Native(3) | 1.4% |
▶Native Hawaiian / Pacific Islander(6) | 0.3% |
Multiracial / Other | 4.3% |
Religious adherence
| Tradition | % Pop | % Adherents |
|---|---|---|
| Catholic | 23.7% | 64.5% |
| Other | 5.7% | 15.5% |
| Evangelical Protestant | 5.4% | 14.7% |
| Mainline Protestant | 1.6% | 4.2% |
| LDS (Mormon) | 1.4% | 3.9% |
| Orthodox Christian | 0.4% | 1.0% |
| Non-religious | 63.3% | — |
Presidential results
| Year | Result |
|---|---|
| 2024 | Harris+46.2 |
| 2020 | Biden+51.5 |
| 2016 | Clinton+46.7 |
| 2012 | Obama+45.7 |
| 2008 | Obama+49.6 |
| 2004 | Kerry+36.3 |
| 2000 | Gore+27.3 |
| 1996 | Clinton+26.0 |
| 1992 | Clinton+28.7 |
Santa Rosa-Petaluma, CA is a metro area that has a population of 485,040. In the 2024 presidential election, it voted Democratic with a margin of D+46.2. Akashic Edge tracks 40 presidential elections here, dating back to 1868.
| Year | Dem % | Rep % | Margin | Swing |
|---|---|---|---|---|
| 2024 | 71.4% | 25.2% | D+46.2 | R+5.3 |
| 2020 | 74.5% | 23.0% | D+51.5 | D+4.8 |
| 2016 | 68.8% | 22.0% | D+46.7 | D+1.0 |
| 2012 | 71.0% | 25.3% | D+45.7 | R+3.9 |
| 2008 | 73.6% | 24.0% | D+49.6 | D+13.3 |
| 2004 | 67.2% | 30.9% | D+36.3 | D+9.0 |
| 2000 | 59.5% | 32.2% | D+27.3 | D+1.3 |
| 1996 | 55.6% | 29.5% | D+26.0 | R+2.7 |
| 1992 | 52.8% | 24.1% | D+28.7 | D+14.1 |
| 1988 | 56.5% | 41.9% | D+14.6 | D+18.0 |
| 1984 | 47.6% | 51.1% | R+3.4 | D+8.6 |
| 1980 | 36.2% | 48.2% | R+12.0 | R+11.8 |
| 1976 | 47.5% | 47.7% | R+0.2 | D+13.0 |
| 1972 | 41.5% | 54.7% | R+13.2 | R+7.5 |
| 1968 | 43.0% | 48.8% | R+5.8 | R+28.9 |
| 1964 | 61.5% | 38.4% | D+23.1 | D+31.7 |
| 1960 | 45.5% | 54.1% | R+8.6 | D+15.4 |
| 1956 | 37.9% | 61.9% | R+24.0 | D+9.0 |
| 1952 | 33.0% | 65.9% | R+32.9 | R+17.8 |
| 1948 | 40.1% | 55.2% | R+15.1 | — |
What defines Santa Rosa-Petaluma, CA?
It has a racially mixed, moderately educated electorate — the suburban swing demographic that decides close elections.
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Diverse rural democratic
Counties in Santa Rosa-Petaluma, CA
2024 presidential results across the counties that make up this geography.
Sort:
| County | Pop. | Margin | Dem | Rep | Total | Share |
|---|---|---|---|---|---|---|
| Sonoma | 485K | D+46.2 | 179,600 | 63,426 | 251,426 | 100.0% |
1 countiesTotal votes: 251,426
Ask the Historian
Explore Santa Rosa-Petaluma, CA's political evolution with the Historian
Key Insights
High-confidence patterns distilled from this geography's election history.
- Has voted Democratic in the last 5 presidential elections
- Latest election (2024) was a Democratic landslide with a 46.2% margin
- Turnout decreased by 4.4 percentage points since the previous presidential election
Who Lives Here
A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.
Census race profile
Major Census race and ethnicity groups shown as a share of total population.
| Group | Local | National |
|---|---|---|
▶White (Non-Hispanic)(13) | 57.9% | 57.4% |
▶Hispanic / Latino(19) | 30.0% | 19.3% |
▶Asian(6) | 4.5% | 6.0% |
Multiracial / Other | 4.3% | 4.0% |
▶Black / African American(12) | 1.6% | 12.2% |
▶Native American / Alaska Native(3) | 1.4% | 0.9% |
▶Middle Eastern / North African(10) | 0.8% | 0.9% |
▶Native Hawaiian / Pacific Islander(6) | 0.3% | 0.2% |
Method notes
Religious Adherents
Population that are religious adherents:
36.7%
Catholic-Evangelical edge: +45.3pp (vs national 4.5pp). A strongly Catholic-leaning religious profile, which nationally correlates with Democratic-leaning urban and suburban communities.
| Tradition | % Pop | % Adherents | US Pop | US Adherents |
|---|---|---|---|---|
| 23.7% | 64.5% | — | — | |
| 5.7% | 15.5% | — | — | |
| 5.4% | 14.7% | — | — | |
| 1.6% | 4.2% | — | — | |
LDS (Mormon) | 1.4% | 3.9% | — | — |
| 0.4% | 1.0% | — | — | |
Non-religiousPopulation | 63.3% | — | — | — |
Who lives in the Santa Rosa-Petaluma, CA metro area? 485,040 residents across 1 counties.
Demographics
Read this geography's profile in three layers: local, state (where available), and national baseline.
38% of adults hold a bachelor's degree — 5pp above the national average. Places with similar education levels vote D+8 on average nationally.
Population & electorate
Scale, voting-age share, and this geography's footprint inside the national electorate.
Total population
485K
Share of U.S. population
0.14%
Voting-age population
78.9%
Economic profile
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Median household income
$104,674
Poverty rate
8.9%
College degree
38.5%
Homeownership
62.6%
Community profile
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
Median age
42.9 yrs
Age 18–29
13.6%
Age 65+
21.5%
Foreign born
16.8%
Non-English at home
27.0%
English only
73.0%
Turnout in Santa Rosa-Petaluma, CA
Estimated using 2020 Census voting-age population.
65.7%
-4.4pp
382,536
1988–2024
How competitive is Santa Rosa-Petaluma, CA?
Safe DAvg margin: D+48.1 (last 3 elections)
2008
D+49.6
2012
D+45.7
2016
D+46.7
2020
D+51.5
2024
D+46.2
5.8pp
0
D+47.9
Do voters in Santa Rosa-Petaluma, CA split their tickets?
Divergence between offices in the same election reveals persuadable voters.
Heavy splitting (0/100)
| Offices | Margin A | Margin B | Split |
|---|---|---|---|
| President vs Senate | D+46.2 | D+44.0 | 2.3pp |
Average divergence across office pairs: 19.0pp
Located In
Santa Rosa-Petaluma, CA sits inside these higher-level geographies.
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