| Voter Registration Trend | |||||
|---|---|---|---|---|---|
| Report Date | Registered Voters | Democratic % | Republican % | No Party Preference* % | Other** |
| 2012-10-22 | 245,198 | 50.69% | 20.26% | 25.14% | 3.91% |
| 2014-09-05 | 238,410 | 50.28% | 19.58% | 26.19% | 3.95% |
| 2016-10-24 | 267,376 | 51.20% | 17.79% | 27.29% | 3.72% |
| 2018-10-22 | 268,834 | 49.81% | 16.01% | 30.55% | 3.63% |
| * Includes "unknown" in some counties that appeared to have moved the prior "Decline to State" to NPP when it was created *Includes qualified third parties and "other" | |||||
| Change between 10/2012 and 10/2018 | ||||
|---|---|---|---|---|
| Registered Voters | Democratic Share | Republican Share | No Party Preference* Share | Other** Share |
| 23,636 | -0.88% | -4.25% | 5.41% | -0.28% |
| * Includes "unknown" in some counties that appeared to have moved the prior "Decline to State" to NPP when it was created **Includes qualified third parties and "other" Source: California Secretary of State | ||||