Knox County Map, Illinois

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

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

Knox County Map, Illinois

Knox County Map, Illinois

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

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Knox County, Illinois

Knox County is a county located in the U.S. state of Illinois. It's county seat is Galesburg. As per 2020 census, the population of Knox County is 49268 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 716 sq mi (1,854 km2). Knox County was established on 1825.

Facts about Knox County, Illinois

CountryUnited States
StateIllinois
RegionWest Central Illinois
County SeatGalesburg
Named AfterHenry Knox
Established1825
Organized1825
Coordinates40.93° N, 90.21° W
Total Area~719 sq mi
Land Area~716 sq mi
Water Area~3 sq mi
Population (2020)~49,053
Population RankMid-sized county in Illinois
Largest CityGalesburg
Main IndustriesEducation, Manufacturing, Healthcare, Agriculture
Major CollegesKnox College
Time ZoneCentral Time (UTC−06:00)
Known ForHigher education, railroad history, historic Galesburg
Websitehttps://www.knoxcountyil.gov

Ctities in Knox county

City NameTypePopulation (2020)Pop. DensityArea
London MillsVillage350511.7/sq mi (197.6/km2)0.684 sq mi (1.77 km2)
AbingdonCity2,9512,070.9/sq mi (799.6/km2)1.425 sq mi (3.69 km2)
AltonaVillage463493.6/sq mi (190.6/km2)0.938 sq mi (2.43 km2)
East GalesburgVillage763559.0/sq mi (215.8/km2)1.365 sq mi (3.54 km2)
GalesburgCity30,0521,693.7/sq mi (654.0/km2)17.743 sq mi (45.95 km2)
HendersonVillage2661,003.8/sq mi (387.6/km2)0.265 sq mi (0.69 km2)
KnoxvilleCity2,9011,234.5/sq mi (476.6/km2)2.35 sq mi (6.09 km2)
MaquonVillage2181,345.7/sq mi (519.6/km2)0.162 sq mi (0.42 km2)
OneidaCity696912.2/sq mi (352.2/km2)0.763 sq mi (1.98 km2)
RioVillage209669.9/sq mi (258.6/km2)0.312 sq mi (0.81 km2)
St. AugustineVillage119200.7/sq mi (77.5/km2)0.593 sq mi (1.54 km2)
VictoriaVillage268594.2/sq mi (229.4/km2)0.451 sq mi (1.17 km2)
WatagaVillage744897.5/sq mi (346.5/km2)0.829 sq mi (2.15 km2)
WilliamsfieldVillage575467.1/sq mi (180.3/km2)1.231 sq mi (3.19 km2)
Yates CityVillage6421,302.2/sq mi (502.8/km2)0.493 sq mi (1.28 km2)

Roads and Highways in Knox County, Illinois

Knox County is well-connected by major highways that provide access to western Illinois and nearby regional cities.

  • U.S. Route 34 – runs east-west through the county, connecting Galesburg to Monmouth and Princeton
  • U.S. Route 150 – runs east-west, linking Galesburg to Peoria and Macomb
  • Illinois Route 41 – runs north-south, connecting Galesburg to Abingdon and Bushnell
  • Illinois Route 97 – runs north-south, linking Galesburg to Peoria and Macomb
  • Illinois Route 167 – runs east-west, connecting Victoria to Wataga and surrounding communities

Neighboring Counties of Knox County

  • Mercer County (northwest)
  • Henry County (north)
  • Stark County (northeast)
  • Peoria County (east)
  • Fulton County (south)
  • Warren County (west)

Top Attractions in Knox County, Illinois

Knox County offers a mix of history, education, and outdoor recreation centered around the city of Galesburg.

  • Knox College – A historic liberal arts college with a beautiful campus and rich heritage.
  • Carl Sandburg State Historic Site – The birthplace of the famous poet, featuring a museum and gardens.
  • Lake Storey Recreation Area – Offers boating, fishing, camping, and hiking trails.
  • Galesburg Railroad Museum – Highlights the city’s railroad history and heritage.
  • Downtown Galesburg – Features shops, dining, and historic architecture.
  • Discovery Depot Children’s Museum – A family-friendly museum with interactive exhibits.
  • Knox County Courthouse – A historic landmark located in Galesburg.

Distance from Knox County to Nearby Cities

  • Galesburg to Peoria – 50 mi (80 km)
  • Galesburg to Rock Island – 45 mi (72 km)
  • Galesburg to Springfield – 100 mi (161 km)
  • Galesburg to Chicago – 200 mi (322 km)
  • Galesburg to Quincy – 90 mi (145 km)

FAQs about Knox County

Where is Knox County located?

Knox County is located in western Illinois, centered around the city of Galesburg.

What is Knox County known for?

The county is known for Knox College, Carl Sandburg’s history, and its railroad heritage.

What is the county seat of Knox County?

Galesburg is the county seat and the largest city in Knox County.

Are there outdoor activities in Knox County?

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

How can I reach Knox County?

Knox County is accessible via U.S. Routes 34 and 150, along with several Illinois state highways.