sentences:  Joe Donnelly in his 2018 senate re-election loss also came less than 10% away from winning the county, winning 44.4% of the vote.According to the 2010 census, the county has a total area of , of which (or 97.97%) is land and (or 2.03%) is water.As of the 2010 United States Census, there were 274,569 people, 99,835 households, and 74,755 families residing in the county.