Most common first ancestries reported in Bethlehem Township were German (25.2%), Italian (14.7%), Irish (14.4%), Polish (9.2%), English (7.6%), United States or American (6.1%), French (except Basque) (3.3%).Bethlehem township, Hunterdon County, New Jersey, City-Data. Accessed November 14, 2012.
moST commoN firST AncestRIES reporTed in bethlehem Township Were GeRman (25.2%), italiAn (14.7%), irish (14.4%), polisH (9.2%), engLisH (7.6%), united STatEs Or americAn (6.1%), frEnch (excEPt BaSque) (3.3%).BEthlEhEm ToWnship, hunTeRdoN coUntY, new jErsey, city-dAta. accEssed NOvembEr 14, 2012.