Muslims have become the third-largest religious group in the state after Roman Catholics and independent evangelicals. Not to mention, the fastest-growing one.

That’s according to a census of American religious congregations unveiled Tuesday in Chicago.

This year, for the first time, the nationwide aggregation of religious traditions, dubbed the “Religion Census,” counted nondenominational evangelical congregations, ranging from storefront sanctuaries to megachurches with multiple sites such as Willow Creek Community Church.

That calculation revealed that evangelicals affiliated with independent churches make up the second-largest religious group in Illinois. In fact, in 48 of the 50 states, independent evangelicals occupy a top-five spot. In the Chicago area, Illinois and nationwide, Roman Catholics rank as the largest religious group.

With 176 religious traditions, Illinois slipped from its top spot as the most religiously diverse state in 2000, falling to Pennsylvania with 184.

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