Cortland, IL

Population
4,676
U.S. Census Population Estimates Program · 2025
Elevation
901 ft
Median Home Value
$233,200
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$1,552/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$73,971
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About Cortland

Sitting just east of DeKalb and south of Sycamore, Cortland is a quiet, friendly community surrounded by open northern Illinois farmland. With around 4,500 residents, the town features comfortable residential neighborhoods and newer subdivisions that offer plenty of space and a relaxed pace. Route 38 runs right through town, making it simple to commute to Northern Illinois University, run errands, or head into neighboring DeKalb for shopping and dining.

Families have Cortland Elementary right in town, and Cortland Community Park serves as a favorite gathering spot thanks to its playground, open green space, and popular splash pad. The community comes together every year for Cortland Summerfest to enjoy fireworks, food vendors, and live music, while local groups like the Lions Club host events and support neighbors year-round. With Interstate 88 just a short drive away, Cortland is a practical, peaceful home base with quick access to regional employers and schools.

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