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CASTLE ROCK VS.
FOSTER_CITY
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2025 Compare Cities Politics & Voting:
Castle Rock, CO vs Foster City, CA
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Highlights
- Registered voters in Foster City are 106.6% more likely to be registered as Democrats than registered voters in Castle Rock.
- Registered voters in Castle Rock, are 31.2% less likely to be registered as Democrats, than in the rest of the United States.
Castle Rock, CO
Foster City, CA
United States
Democrat
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75.7%
48.0%
Republican
54.7%
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45.9%
Independent Other
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5.9%
6.0%
Housing
VOTING CHART
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