sentences:  In terms of ancestry, 25.9% were German, 21.6% were American, 15.4% were Irish, and 14.5% were English.Those citing "American" ancestry in Morgan County, Illinois are of overwhelmingly English extraction, in many cases going back to colonial New England, however most English Americans identify simply as having "American" ancestry because their roots have been in North America for so long, in many cases since the early sixteen hundreds.Of the 14,104 households, 28.3% had children under the age of 18 living with them, 47.4% were married couples living together, 11.2% had a female householder with no husband present, 37.2% were non-families, and 31.5% of all households were made up of individuals.