2010 census As of the 2010 United States census, there were 18,395 people, 6,700 households, and 5,100 families living in the county. The population density was . There were 7,595 housing units at an average density of . The racial makeup of the county was 91.7% white, 2.3% black or African American, 0.9% Asian, 0.3% American Indian, 3.3% from other races, and 1.4% from two or more races. Those of Hispanic or Latino origin made up 5.7% of the population. In terms of ancestry, 18.7% were American, 8.5% were Irish, and 8.5% were English.
2010 census As of the 2010 United States census there were 18395 people 6700 households and 5100 families living in the county The population density was  There were 7595 housing units at an average density of  The racial makeup of the county was 917% white 23% black or African American 09% Asian 03% American Indian 33% from other races and 14% from two or more races Those of Hispanic or Latino origin made up 57% of the population In terms of ancestry 187% were American 85% were Irish and 85% were English