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77.69% of the people in Irwin, IA are religious, meaning they affiliate with a religion. 32.62% are Catholic; 40.03% are Protestant; 0.16% are LDS; 4.87% are another Christian faith; 0.00% in Irwin, IA are Jewish; 0.02% are an eastern faith; 0.00% affilitates with Islam.
Irwin, IA Religion data
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