What city has the Largest Catholic population in USA?

The city of New York has the largest Catholic population in the United States. According to the 2020 American Community Survey, there are an estimated 2.8 million Catholics living in the city, making up about 34.5% of the total population. This is the highest percentage of Catholics among all large cities in the country. The Archdiocese of New York, which encompasses the city and its surrounding areas, is one of the largest and most influential Catholic dioceses in the United States, serving over 2.5 million Catholics.