McDonough County Map, Illinois

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

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

McDonough County Map, Illinois

McDonough County Map, Illinois

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

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McDonough County, Illinois

McDonough County is a county located in the U.S. state of Illinois. It's county seat is Macomb. As per 2020 census, the population of McDonough County is 26828 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 589 sq mi (1,526 km2). McDonough County was established on 1826.

Facts about McDonough County, Illinois

CountryUnited States
StateIllinois
RegionWest Central Illinois
County SeatMacomb
Named AfterThomas Macdonough
Established1826
Organized1826
Coordinates40.47° N, 90.68° W
Total Area~590 sq mi
Land Area~589 sq mi
Water Area~1 sq mi
Population (2020)~29,682
Population RankMid-sized county in Illinois
Largest CityMacomb
Main IndustriesEducation, Agriculture, Healthcare, Retail
Major HighwaysU.S. Route 67, Illinois Route 336
Time ZoneCentral Time (UTC−06:00)
Known ForWestern Illinois University, historic Macomb, rural farmland
Websitehttps://www.mcdonoughcountysheriff.com

Ctities in McDonough county

City NameTypePopulation (2020)Pop. DensityArea
BardolphVillage210340.4/sq mi (131.4/km2)0.617 sq mi (1.6 km2)
BlandinsvilleVillage569650.3/sq mi (251.1/km2)0.875 sq mi (2.27 km2)
BushnellCity2,7181,283.9/sq mi (495.7/km2)2.117 sq mi (5.48 km2)
ColchesterCity1,108963.5/sq mi (372.0/km2)1.15 sq mi (2.98 km2)
Good HopeVillage3631,210.0/sq mi (467.2/km2)0.3 sq mi (0.78 km2)
IndustryVillage399867.4/sq mi (334.9/km2)0.46 sq mi (1.19 km2)
MacombCity15,0511,423.9/sq mi (549.8/km2)10.57 sq mi (27.38 km2)
Prairie CityVillage407403.8/sq mi (155.9/km2)1.008 sq mi (2.61 km2)
SciotaVillage38121.8/sq mi (47.0/km2)0.312 sq mi (0.81 km2)
TennesseeVillage101237.6/sq mi (91.8/km2)0.425 sq mi (1.1 km2)

Roads and Highways in McDonough County, Illinois

McDonough County is connected by several highways that provide access to western Illinois and nearby regional cities.

  • U.S. Route 67 – runs north-south through the county, connecting Macomb to Monmouth and Jacksonville
  • U.S. Route 136 – runs east-west, linking Macomb to Quincy and Havana
  • Illinois Route 9 – runs east-west, connecting Bushnell to Blandinsville and Canton
  • Illinois Route 41 – runs north-south, linking Macomb to Galesburg and Bushnell
  • Illinois Route 110 (Chicago-Kansas City Expressway) – serves as a regional corridor through the county

Neighboring Counties of McDonough County

  • Hancock County (west)
  • Warren County (north)
  • Knox County (east)
  • Fulton County (southeast)
  • Schuyler County (south)

Top Attractions in McDonough County, Illinois

McDonough County offers a mix of educational institutions, parks, and local history centered around the city of Macomb.

  • Western Illinois University – A major campus with cultural events, sports, and educational programs.
  • Spring Lake Park – A scenic park with trails, picnic areas, and lake views.
  • Argyle Lake State Park – A popular destination for camping, fishing, and hiking.
  • Macomb Downtown Square – Features shops, dining, and historic buildings.
  • Old Bailey House – A historic home showcasing local heritage.
  • McDonough County Courthouse – A landmark located in Macomb.
  • Hanson Field – Home to local college football games and events.

Distance from McDonough County to Nearby Cities

  • Macomb to Quincy – 50 mi (80 km)
  • Macomb to Galesburg – 45 mi (72 km)
  • Macomb to Peoria – 80 mi (129 km)
  • Macomb to Springfield – 90 mi (145 km)
  • Macomb to Chicago – 200 mi (322 km)

FAQs about McDonough County

Where is McDonough County located?

McDonough County is located in western Illinois, centered around the city of Macomb.

What is McDonough County known for?

The county is known for Western Illinois University, parks, and its vibrant college-town atmosphere.

What is the county seat of McDonough County?

Macomb is the county seat and the largest city in McDonough County.

Are there outdoor activities in McDonough County?

Yes, visitors can enjoy parks, lakes, trails, and outdoor recreation throughout the county.

How can I reach McDonough County?

McDonough County is accessible via U.S. Routes 67 and 136, along with several Illinois state highways.