Marengo, Illinois
Marengo is a city of 7,040 people in McHenry County, Illinois, founded in 1835.
Why visit Marengo
Townapedia lists 4 museums and landmarks, 5 parks and trails, 10 places to eat and 2 places to stay in and around town.
Highlights include Charles H. Hibbard House, Orson Rogers House, Marengo Ridge Conservation Area and Coral Woods Conservation Area.
July is the warmest month, with average highs of 84°F; January lows average 13°F, and about 31 inches of snow fall in a normal year.
Weather in Marengo
Forecast from the National Weather Service. Full forecast
About Marengo
Marengo is a city in McHenry County, Illinois, United States on the Kishwaukee River. It lies approximately 60 miles west northwest of Chicago and approximately 30 miles east of Rockford. Per the 2020 census, the population was 7,568.
From the Wikipedia article Marengo, Illinois (this version), under CC BY-SA 4.0.
Museums and landmarks4
Charles H. Hibbard House
Monument and historic site · National Register of Historic Places · 0.8 mi
Historic house in Illinois, United States
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Orson Rogers House
Monument and historic site · National Register of Historic Places · 0.5 mi
Historic house in Illinois, United States
Parks, trails and playgrounds5
Restaurants and cafes10
Cantinitas
Restaurant · Mexican, Tacos · 0.7 mi
104 West Railroad Street, Marengo
Restaurante La Hacienda Los Lopez
Restaurant · Mexican · 0.5 mi
150 East Grant Highway, Marengo
Where to stay2
Churches and places of worship6
Shopping2
Gas and EV charging1
Schools, colleges and libraries12
Map of Marengo
42 places. The map loads OpenStreetMap tiles when you open it.
Climate by month
Monthly table
| Month | High | Low | Rain | Snow |
|---|---|---|---|---|
| Jan | 29°F | 13°F | 1.7 in | 8.0 in |
| Feb | 33°F | 16°F | 1.6 in | 9.1 in |
| Mar | 45°F | 26°F | 2.1 in | 2.4 in |
| Apr | 59°F | 36°F | 3.8 in | 0.4 in |
| May | 70°F | 47°F | 4.6 in | 0.0 in |
| Jun | 80°F | 57°F | 4.6 in | 0.0 in |
| Jul | 84°F | 62°F | 4.0 in | 0.0 in |
| Aug | 82°F | 60°F | 4.2 in | 0.0 in |
| Sep | 75°F | 52°F | 3.7 in | 0.0 in |
| Oct | 62°F | 40°F | 3.0 in | 0.0 in |
| Nov | 47°F | 29°F | 2.4 in | 1.6 in |
| Dec | 34°F | 18°F | 1.9 in | 9.3 in |
U.S. Climate Normals 1991-2020 for Marengo Hcn (1 mi away), NOAA NCEI.
People and cost of living
American Community Survey 5-year estimates, 2020-2024, U.S. Census Bureau. Estimates have margins of error, larger for small towns.
Disaster history
McHenry County has had 8 federal disaster declarations since 2000, most often for snowstorms.
- 2020-03-26: Covid-19 Pandemic (Biological)
- 2020-03-13: Covid-19 (Biological)
- 2013-05-10: Severe Storms, Straight-Line Winds, And Flooding (Flood)
- 2011-03-17: Severe Winter Storm And Snowstorm (Snowstorm)
- 2008-03-13: Record Snow And Near Record Snow (Snowstorm)
- 2006-12-29: Snow (Snowstorm)
OpenFEMA disaster declarations summaries.
Getting there and nearby towns
Chicago Rockford International Airport (RFD) is the nearest airport with scheduled flights listed in OpenStreetMap, 26 miles away.
- Woodstock 9 mi northeast, about 15 min by car
- Huntley 10 mi southeast, about 16 min by car
- Hampshire 10 mi southeast, about 16 min by car
- Lakewood 11 mi east, about 18 min by car
- Genoa 12 mi southwest, about 19 min by car
- Crystal Lake 13 mi east, about 22 min by car
- Pingree Grove 14 mi southeast, about 22 min by car
- Belvidere 15 mi west, about 24 min by car
- Lake in the Hills 15 mi east, about 24 min by car
- Algonquin 15 mi southeast, about 25 min by car
Drive times are estimates from straight-line distance, not routes.
Local news
Headlines from INDB, the NEMICO news database.
Reviews, tips and questions
Loading what members have shared...
Sources and licences
- NCES EDGE (Public domain): public schools
- NOAA NCEI U.S. Climate Normals 1991-2020 (Public domain): climate by month
- OpenFEMA (Public domain): disaster declarations
- OpenStreetMap contributors (ODbL 1.0): places, airports, map data
- U.S. Census Bureau (Public domain): population, income, housing, education, commute
- Wikidata (CC0 1.0): elevation, founding date, time zone, website, landmarks and historic places
- Wikimedia Commons (see each image): photos
- Wikipedia (CC BY-SA 4.0): overview and history text
Photo credits
- Marengo Illinois1, Andy McMurray, CC BY 2.5
- Greetings from Marengo, Illinois - Large Letter Postcard (7621076104), Steve Shook from Moscow, Idaho, USA, CC BY 2.0
- HABS ILL,56-MARGO,1- (sheet 1 of 2) - Thompson Store, 109 West Grant Highway, Marengo, McHenry County, IL, Related names: Daman, Emos, Public domain
- HABS ILL,56-MARGO,1- (sheet 2 of 2) - Thompson Store, 109 West Grant Highway, Marengo, McHenry County, IL, Related names: Daman, Emos, Public domain
- HABS ILL,56-MARGO,1- (sheet 0 of 2) - Thompson Store, 109 West Grant Highway, Marengo, McHenry County, IL, Related names: Daman, Emos, Public domain
- Catharus ustulatus, Marengo, Illinois 1, CheepShot, CC BY 2.0
- Charles H Hibbard House 1, Andy McMurray, CC BY 2.5
- Orson Rogers House6, Andy McMurray, CC BY 2.5
- Charles H. Hibbard House (7901685838), Teemu008 from Palatine, Illinois, CC BY-SA 2.0
- Orson Rogers House (7901686910), Teemu008 from Palatine, Illinois, CC BY-SA 2.0
- Pomacea snail siphon 2, Kstraka, CC BY-SA 3.0
- Pomacea snail siphon, Kenneth Straka, CC BY-SA 3.0
- First Summer Redstart-Male (8745976079), CheepShot, CC BY 2.0
- First Summer Redstart-Male (Identified) (8745975855), CheepShot, CC BY 2.0
- Sparrow (8745975149), CheepShot, CC BY 2.0
- Gray Catbird (8747097026), CheepShot, CC BY 2.0
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Page built October 30, 2026. Spotted a mistake? Tell us or suggest a place.