Northern Illinois Data by Subject Demographic Characteristics - Households by Household Size Select an Area Rockford, Illinois MSA* * The Rockford, Illinois Metropolitan Statistical Area (MSA) consists of Boone, Ogle and Winnebago counties.   Boone County   Bureau County   Carroll County   Cook County   DeKalb County   DuPage County   Grundy County   Henry County   JoDaviess County   Kane County   Kankakee County   Kendall County   Lake County   LaSalle County   Lee County   McHenry County   Mercer County   Ogle County   Putnam County   Rock Island County   Stephenson County   Whiteside County   Will County   Winnebago County   Chicago PMSA   Quad Cities MSA   Rockford MSA   State of Illinois Household Size 1980 1990 2000 Change 1980-1990 Change 1990-2000 Number Percent Number Percent Total households 115,433 124,809 141,826 9,376 8.1 17,017 13.6   1 person 23,932 29,573 35,536 5,641 23.6 5,963 20.2   2 persons 36,552 41,316 47,295 4,764 13.0 5,979 14.5   3 - 4 persons 39,743 41,631 44,169 1,888 4.8 2,538 6.1   5 or more persons 15,206 12,289 14,826 -2,917 -19.2 2,537 20.6 Persons per household (Mean) 2.83 2.46 2.66   SOURCE: U.S. Census Bureau, 1980, 1990, 2000. ::: click here to print this page :::