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2025 Compare Cities Politics & Voting:
Johnston, IA vs San Diego, CA

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Highlights
- Registered voters in San Diego are 8.8% more likely to be registered as Democrats than registered voters in Johnston.
- Registered voters in Johnston, are 7.2% more likely to be registered as Democrats, than in the rest of the United States.
 Johnston, IASan Diego, CAUnited States
 Democrat  Unlock56.3%48.0%
 Republican40.4%  Unlock45.9%
 Independent Other  Unlock7.1%6.0%
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Learn More About Johnston, Iowa
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Learn More About San Diego, California
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