Read this article and answer this question As of the census of 2000, there were 45,087 people, 15,867 households, and 11,424 families residing in the county.  The population density was 87 people per square mile (34/km²).  There were 17,703 housing units at an average density of 34 per square mile (13/km²).  The racial makeup of the county was 57.14% Race (United States Census) or Race (United States Census), 38.70% Race (United States Census), 0.23% Race (United States Census), 0.26% Race (United States Census), 0.02% Race (United States Census), 2.76% from Race (United States Census), and 0.89% from two or more races.  6.17% of the population were Race (United States Census) or Race (United States Census) of any race.
How many more housing units were there than households?
1836