Passage: As of the census of 2000, there were 4,564 people, 1,979 households, and 1,258 families residing in the city. The population density was 1,762.4 people per square mile (680.4/km²). There were 2,191 housing units at an average density of 846.0 per square mile (326.6/km²). The racial makeup of the city was 97.98% White, 0.64% African American, 0.33% Native American, 0.20% Asian, 0.07% from other races, and 0.79% from two or more races. Hispanic or Latino of any race were 0.53% of the population.

Question: How many homes were there?
2,191