These Are the U.S. States With the Most Muslims

"Some are immigrants, making a home in America from countries all over the world, while others are from families that have lived in the states for many generations. Many American Muslims have converted to Islam from other religions as well. Their numbers are reflected in education, business, and government. Today, four Muslims serve in the U.S. Congress. And just one day ago, Zohran Mamdani, a 34-year-old democratic socialist, was elected as mayor of New York City, making history as the city's first Muslim mayor."

"The most authoritative recent data on the American Muslim population comes from the 2020 U.S. Religion Census, a non-mandatory, voluntary survey. These data are incomplete and often inaccurate, however. The Muslim community is growing rapidly, so these data are already a bit inaccurate five years later. Additionally, some avoid answering these kinds of survey questions, fearing potential persecution. Language barriers can also interfere with accurate data-gathering."

About four million Muslims live in the United States, including immigrants from around the world, long-established families, and converts. Muslims participate across education, business, and government, with four serving in the U.S. Congress and Zohran Mamdani elected as New York City’s first Muslim mayor on November 6, 2025. The most recent authoritative data come from the 2020 U.S. Religion Census, a voluntary survey, but those counts are incomplete and often inaccurate due to rapid growth, survey nonresponse, fear of persecution, and language barriers. State rankings identify New York, California, and Illinois among the largest Muslim populations.

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