Stephenson County is named for Benjamin Stephenson, who was the Adjutant General of the Illinois Territory from 1813 to 1814.
Surrounding County Courthouses:
N – Lafayette County, Wisconsin and Green County, Wisconsin
E – Winnebago County
S – Ogle County and Carroll County
Created: March 4, 1837 
County Seat:
Freeport 1837 – present
County Courthouse – Freeport
Location: 15 North Galena Avenue / East Stephenson Street
Built: 1973 – 1974
Style: Modern
Architect: Johnson, Kile and Seehaussen
Contractor: Cheeseman Construction
Description: The building faces southwest and is a two story concrete, stone and glass structure. Horizontal pillars support the outside of the building with the first story being recessed. The second story has few windows and large panels of buff colored concrete. The roof line is recessed with brown color.
History: The county was created in 1837 and Freeport was selected as the county seat. The first courthouse was a frame structure built in 1840. The second courthouse was designed by E E Myers and constructed by A Walbaum Company in 1873. The building was torn down for the construction of the third and present courthouse in 1972 to 1974.
County Courthouse – Freeport
Photos taken by 2006 and 2010