City of Marengo, Illinois

City of Marengo: a city in McHenry County, Illinois.

About

City of Marengo is a place located in the county of McHenry in the U.S. state of Illinois.

Quick Facts about City of Marengo

State Illinois (United States)
County McHenry County
Latitude & Longitude 42.2474,-88.6063
Time Zone America/Chicago
Local time 21:04:01 (7th November 2026)
Weather 29℉ Partly Cloudy 7-days weather

Geography

City of Marengo is located at 42°14'50"N 88°36'23"W (42.2473500, -88.6062800).

City of Marengo map

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Weather

29°F
Partly Cloudy
0 to 5 mph NNW Friday Night

Partly cloudy, with a low around 29. North northwest wind 0 to 5 mph, with gusts as high as 15 mph.

7-Day Forecast

Other cities in McHenry County

Cities, towns, neighborhoods & other populated places in McHenry County , IL. (more)

City Name Population Title
Crystal Lake 39,642 City located in McHenry County, Illinois, USA
Algonquin 30,730 Village in Illinois
Lake in the Hills 28,345 Village in Illinois
Huntley 27,256 Village in McHenry and Kane counties, Illinois, United States
McHenry 27,100 City in Illinois
Cary 17,929 Village in Illinois, United States
Harvard 8,979 Private research university in Cambridge, Massachusetts, United States
Chemung 8,702 Township in McHenry County, Illinois
Marengo 7,377 City in McHenry County, Illinois, United States
Johnsburg 6,310 Village in United States of America
Lakemoor 5,912 City in Illinois, United States of America
Spring Grove 5,679 City in Houston County, Minnesota, United States
Fox River Grove 4,518 City in United States of America
Lawrence 4,380 Township in Lawrence County, Illinois
Wonder Lake 3,837 Human settlement in Illinois, United States of America
Oakwood Hills 2,011 City in Illinois, United States of America