Catholic Population Distribution Across the United States by County #1534957 (License: Personal Use)

The map displays Catholic Church adherence as a percentage of total population at the county level across the United States, using a six-tier color scale ranging from dark red (25% or more) to dark blue (0.01%-0.49%), with gray indicating no data. Strongest concentrations appear in the Northeast, Great Lakes, and parts of the Southwest, while the Deep South and Mountain West show significantly lower adherence. Alaska and Hawaii are included as insets for geographic completeness.

Used in demographic studies, religious trend analyses, and educational resources to illustrate regional religious composition; serves users seeking insights into U.S. Catholic distribution for research, journalism, or community planning.