According to census data in the year 2000 there were 7,368 housing unites in Romeoville. This represents a 86.1% growth from 3,959 in 1990.
Of those housing units, 7,262 were located in either urbanized areas or urban clusters, and 106 were located in what is classified as a rural area.
Homeownership rate in Romeoville is about 86.1%. Romeoville's vacancy rate, including seasonal lodging, is about 8.2%. Average household size is 2.99 people.
The majority of houses, apartments or condos in Romeoville were built after 1977.