% of adults in the Washington, DC metro area who are…
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Religious tradition
Men
Women
Sample size
Catholic
50%
50%
163
Evangelical Protestant
44%
56%
113
Historically Black Protestant
44%
56%
112
Mainline Protestant
47%
53%
153
Unaffiliated (religious "nones")
61%
39%
232
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.