DeKalb County, Administrative county in northern Illinois, United States
DeKalb County spans 635 square miles of predominantly agricultural land with Sycamore serving as the county seat, located 63 miles west of Chicago.
The county formed from Kane County on March 4, 1837, receiving its name from Johann de Kalb, a military commander during the American Revolutionary War.
Northern Illinois University and Kishwaukee College contribute to the educational landscape, while the Sandwich Fairgrounds hosts annual agricultural celebrations since 1887.
The county government provides electronic access to vital records, assessments, and legal proceedings through its official website and administrative offices in Sycamore.
The DeKalb Agricultural Society established the county's first Agricultural Fair in 1852, initiating developments that led to the DeKalb Agricultural Association.
Location: Illinois
Inception: March 4, 1837
Capital city: Sycamore
Shares border with: Winnebago County, LaSalle County, Boone County, McHenry County, Kane County, Kendall County, Lee County, Ogle County
Website: http://dekalbcounty.org
GPS coordinates: 41.89000,-88.77000
Latest update: May 27, 2025 08:57
Huskie Stadium
4.9 km
Shabbona Lake State Park
18.1 km
Egyptian Theatre, DeKalb
4.8 km
Ellwood House
5.3 km
Convocation Center
5.2 km
Sycamore Historic District
12.6 km
DeKalb County Courthouse
12.2 km
Kishwaukee River State Fish and Wildlife Area
25.1 km
Civil War Memorial
12.2 km
Von KleinSmid Mansion
29.8 km
David Syme House
12.2 km
Charles O. Boynton Carriage House
12.2 km
Charles O. Boynton House
12.2 km
Sycamore Public Library
13.1 km
Sandwich City Hall
29.8 km
Elmwood Cemetery Gates
12.2 km
Haish Memorial Library
4.9 km
Andrew O. Anderson House
5.1 km
George H. Gurler House
5.1 km
Frederick B. Townsend House
12.2 km
Frederick Townsend Garage
12.2 km
D. B. James House
12.2 km
Adolphus W. Brower House
12.2 km
Ashelford Hall
21.1 km
Carlos Lattin House
12.2 km
William W. Marsh House
12.2 km
Chauncey Ellwood House
12.2 km
George's Block
12.2 kmReviews
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