The following list compares reported religious affiliations of U. S. Senators to religious statistics of the demographics of the United States of America:
- International Church of the Foursquare Gospel are represented by 1% of the Senate for 0.1% of the population (10.00×)
- Jews are represented by 13% of the Senate for 1.4% of the population. (9.29×)
- Episcopalians are represented by 7% of the Senate for 1.8% of the population. (5.55×)
- Presbyterians are represented by 14% of the Senate for 2.8% of the population. (5.00×)
- Latter-Day Saints are represented by 6% of the Senate for 1.4% of the population. (4.29×)
- Methodists are represented by 8% of the Senate for 7.2% of the population. (1.11×)
- Roman Catholics are represented by 26% of the Senate for 25.9% of the population. (1.00×)
- Lutherans are represented by 3% of the Senate for 4.6% of the population. (0.65×)
- Baptists are represented by 8% of the Senate for 17.2% of the population. (0.46×)
- Muslims are represented by 0% of the Senate for 2% of the population. (0.00×)
- Unaligned are represented by 0% of the Senate for 15.0% of the population. (0.00×)
