In the 2000 census, religion was broken down into several smaller categories. From the , 58.1% were some type of Protestant, with 54% belonging to the Swiss Reformed Church and 4.2% belonging to other Protestant churches.
The 2000 census provided information on religious affiliation in the United States.  It showed that 58.1% of people identified as Protestant, with the Swiss Reformed Church being the most prevalent denomination at 54%, and other Protestant churches representing 4.2%.