According to the 2007 estimates, 21.1% of the population had German ancestry, 13.3% had Irish ancestry, 8% had British ancestry, 7.9% had Polish ancestry, 6.4% had Italian ancestry, 4.6% listed themselves as American, 2.4% had Swedish ancestry, 2.2% had French ancestry, other than Basque, 1.6% had Dutch ancestry, and 1.4% had Norwegian ancestry.
По происхождению 21,1 % населения имели немецкие корни, 13,3 % — ирландские, 7,9 % — польские, 6,7 % — английские, 6,4 % — итальянские, 2,4 % — шведские, 2,2 % — французские, 1,6 % — голландские, 1,4 % — норвежские и 1,3 % — шотландские.