the following: [ 24 ] 13.2% German 10.7% Irish 9.4% English 6.4% Italian 4.1% American 4.0% Scandinavian (1.7% Norwegian , 1.5% Swedish , and 0.8% Danish ). [ edit ] Religion Major religious affiliations of the people of Nevada are: [ 25 ] Roman Catholic – 27% Protestant Mainline – 11%