Party affiliation among adults in the Chicago metro area by religious group (2014) Switch to: Religious tradition among adults in the Chicago metro area by political party

% of adults in the Chicago metro area who identify as…

Religious traditionRepublican/lean Rep.No leanDemocrat/lean Dem.Sample size
Catholic39%15%46%276
Evangelical Protestant51%9%39%133
Mainline Protestant41%15%44%124
Unaffiliated (religious "nones")16%27%57%170
Sample sizes and margins of error vary from subgroup to subgroup, from year to year and from state to state. You can see the sample size for the estimates in this chart on rollover or in the last column of the table. And visit this table to see approximate margins of error for a group of a given size. Readers should always bear in mind the approximate margin of error for the group they are examining when making comparisons with other groups or assessing the significance of trends over time. For full question wording, see the survey questionnaire.

Learn More: Republican/lean Rep., No lean, Democrat/lean Dem.