Marengo, IL

View of Marengo, IL
Image credit: Andy McMurray / CC BY 2.5
Population
7,737
U.S. Census Population Estimates Program · 2025
Elevation
833 ft
Median Home Value
$229,900
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$1,176/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$73,523
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About Marengo

Marengo is a quiet small town in McHenry County, nestled along the Kishwaukee River about an hour northwest of Chicago and thirty minutes east of Rockford. Home to roughly 7,500 residents, it offers a relaxed, rural atmosphere surrounded by open farmland and scenic countryside. The community has roots going back to the 1830s, and today, direct access to Interstate 90, Route 20, and state routes 23 and 176 gives commuters a straightforward drive across northern Illinois.

Marengo Illinois Aerial

Day-to-day life here centers around a close-knit community and a solid park system, highlighted by the 140-acre Marengo Community Park with its sports fields and walking trails. Families are served by local public school districts, while nearby apple orchards, nature preserves, and seasonal events like the annual Settlers' Days festival give the area plenty of local flavor. If you are looking for more elbow room and a slower pace within reach of major regional hubs, Marengo is well worth a look.

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