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57.63% of the people in Cook County, IL are religious, meaning they affiliate with a religion. 39.93% are Catholic; 6.77% are Protestant; 0.17% are LDS; 4.57% are another Christian faith; 4.36% in Cook County, IL are Jewish; 0.05% are an eastern faith; 1.78% affilite with Islam.
Cook, IL Religion data
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