Grundy County Map, Illinois

Written and Fact-checked by | Updated On: April 26, 2026 | 14:30 ET

Map of Grundy County - Grundy County is a county located in the U.S. state of Illinois. Grundy County Map showing cities, highways, important places and water bodies. Get Where is Grundy County located in the map, major cities in Grundy county, population, areas, and places of interest.

Grundy County Map, Illinois

Grundy County Map, Illinois

About Grundy County Map, Illinois: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

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Grundy County, Illinois

Grundy County is a county located in the U.S. state of Illinois. It's county seat is Morris. As per 2020 census, the population of Grundy County is 52989 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 418 sq mi (1,083 km2). Grundy County was established on 1841.

Facts about Grundy County, Illinois

CountryUnited States
StateIllinois
RegionNortheastern Illinois
County SeatMorris
Named AfterFelix Grundy
Established1841
Organized1841
Coordinates41.29° N, 88.42° W
Total Area~430 sq mi
Land Area~418 sq mi
Water Area~12 sq mi
Population (2020)~51,421
Population RankMid-sized county in Illinois
Largest CityMorris
Main IndustriesManufacturing, Energy, Logistics, Agriculture
Major RiversIllinois River, Kankakee River
Time ZoneCentral Time (UTC−06:00)
Known ForIllinois River corridor, industrial growth, proximity to Chicago suburbs
Websitehttps://www.grundyco.org

Ctities in Grundy county

City NameTypePopulation (2020)Pop. DensityArea
BracevilleVillage724232.7/sq mi (89.9/km2)3.111 sq mi (8.06 km2)
Carbon HillVillage3722,089.9/sq mi (806.9/km2)0.178 sq mi (0.46 km2)
Coal CityVillage5,7051,015.7/sq mi (392.2/km2)5.617 sq mi (14.55 km2)
East BrooklynVillage801,538.5/sq mi (594.0/km2)0.052 sq mi (0.13 km2)
GardnerVillage1,366469.1/sq mi (181.1/km2)2.912 sq mi (7.54 km2)
KinsmanVillage901,323.5/sq mi (511.0/km2)0.068 sq mi (0.18 km2)
MazonVillage9791,626.2/sq mi (627.9/km2)0.602 sq mi (1.56 km2)
MorrisCity14,1631,429.3/sq mi (551.9/km2)9.909 sq mi (25.66 km2)
South WilmingtonVillage7101,443.1/sq mi (557.2/km2)0.492 sq mi (1.27 km2)
VeronaVillage2081,260.6/sq mi (486.7/km2)0.165 sq mi (0.43 km2)
DiamondVillage2,6401,389.5/sq mi (536.5/km2)1.9 sq mi (4.92 km2)
MinookaVillage12,7581,356.5/sq mi (523.8/km2)9.405 sq mi (24.36 km2)
DwightVillage4,0321,222.9/sq mi (472.2/km2)3.297 sq mi (8.54 km2)
ChannahonVillage13,383856.7/sq mi (330.8/km2)15.622 sq mi (40.46 km2)
GodleyVillage566522.6/sq mi (201.8/km2)1.083 sq mi (2.8 km2)

Roads and Highways in Grundy County, Illinois

Grundy County is well-connected by major highways that link it to Chicago and other parts of northeastern Illinois.

  • Interstate 80 – runs east-west through the county, connecting Morris to Joliet and Ottawa
  • Interstate 55 – runs north-south nearby, providing access to Chicago and Bloomington
  • Illinois Route 47 – runs north-south through the county, connecting Morris to Yorkville and Dwight
  • Illinois Route 71 – runs east-west, linking Morris to Ottawa and Yorkville
  • Illinois Route 113 – follows the Illinois River, connecting Morris to Wilmington and Kankakee

Neighboring Counties of Grundy County

  • Kendall County (north)
  • Will County (east)
  • Kankakee County (southeast)
  • Livingston County (south)
  • LaSalle County (west)

Top Attractions in Grundy County, Illinois

Grundy County offers a mix of riverfront scenery, parks, and small-town charm centered around the city of Morris.

  • Gebhard Woods State Park – A scenic park along the Illinois & Michigan Canal with trails and picnic areas.
  • Illinois & Michigan Canal Trail – A popular path for biking, walking, and exploring history.
  • Goold Park – A community park in Morris with playgrounds and open green space.
  • Grundy County Courthouse – A historic landmark located in downtown Morris.
  • Heidecke Lake – A popular destination for fishing, boating, and birdwatching.
  • Nettle Creek Country Club – Offers golf and scenic surroundings.
  • Downtown Morris – Features local shops, dining, and riverfront views.

Distance from Grundy County to Nearby Cities

  • Morris to Joliet – 20 mi (32 km)
  • Morris to Chicago – 60 mi (97 km)
  • Morris to Ottawa – 25 mi (40 km)
  • Morris to Kankakee – 40 mi (64 km)
  • Morris to Bloomington – 90 mi (145 km)

FAQs about Grundy County

Where is Grundy County located?

Grundy County is located in northeastern Illinois, southwest of Chicago.

What is Grundy County known for?

The county is known for its riverfront scenery, parks, and access to the Illinois & Michigan Canal.

What is the county seat of Grundy County?

Morris is the county seat and the largest city in Grundy County.

Are there outdoor activities in Grundy County?

Yes, visitors can enjoy parks, trails, lakes, and riverfront areas for outdoor recreation.

How can I reach Grundy County?

Grundy County is accessible via Interstate 80, Illinois Routes 47, 71, and 113, and nearby Interstate 55.