Boone County Map, Illinois

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

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

Boone County Map, Illinois

Boone County Map, Illinois

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

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Boone County, Illinois

Boone County is a county located in the U.S. state of Illinois. It's county seat is Belvidere. As per 2020 census, the population of Boone County is 53159 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 280 sq mi (725 km2). Boone County was established on 1837.

Facts about Boone County, Illinois

CountryUnited States
StateIllinois
RegionNorthern Illinois
County SeatBelvidere
Named AfterDaniel Boone
Established1837
Organized1837
Coordinates42.32° N, 88.82° W
Total Area~281 sq mi
Land Area~280 sq mi
Water Area~1 sq mi
Population (2020)~53,448
Population RankMid-sized county in Illinois
Largest CityBelvidere
Main IndustriesManufacturing, Logistics, Agriculture, Healthcare
Major HighwayInterstate 90
Time ZoneCentral Time (UTC−06:00)
Known ForKishwaukee River, historic Belvidere downtown, auto manufacturing heritage
Websitehttps://www.boonecountyil.gov

Ctities in Boone county

City NameTypePopulation (2020)Pop. DensityArea
BelvidereCity25,3392,100.4/sq mi (811.0/km2)12.064 sq mi (31.25 km2)
CaledoniaVillage183176.8/sq mi (68.3/km2)1.035 sq mi (2.68 km2)
CapronVillage1,3951,816.4/sq mi (701.3/km2)0.768 sq mi (1.99 km2)
Poplar GroveVillage5,049658.9/sq mi (254.4/km2)7.663 sq mi (19.85 km2)
TimberlaneVillage906518.9/sq mi (200.3/km2)1.746 sq mi (4.52 km2)
Loves ParkCity23,3971,433.2/sq mi (553.4/km2)16.325 sq mi (42.28 km2)

Roads and Highways in Boone County, Illinois

Boone County is served by several key highways that provide easy access to Rockford, Chicago, and nearby areas in northern Illinois and southern Wisconsin.

  • Interstate 90 – runs northwest-southeast, connecting Rockford to Chicago and extending toward Wisconsin
  • U.S. Route 20 – passes through the county, linking Belvidere to Rockford and Elgin
  • Illinois Route 76 – runs north-south, connecting Belvidere to Poplar Grove and southern Wisconsin
  • Illinois Route 173 – runs east-west across the northern part of the county, linking Capron to Harvard

Neighboring Counties of Boone County

  • Winnebago County (west)
  • McHenry County (east)
  • DeKalb County (south)
  • Ogle County (southwest)
  • Walworth County, Wisconsin (north)

Top Attractions in Boone County, Illinois

Boone County offers a blend of outdoor recreation, local events, and small-town charm, making it a pleasant destination for visitors.

  • Boone County Fairgrounds – Hosts the annual fair, one of the largest agricultural events in the region.
  • Edward's Apple Orchard – A popular seasonal spot for apple picking, cider, and family activities.
  • Spencer Conservation Area – Offers trails, fishing spots, and scenic natural areas.
  • Belvidere Park – A local park with playgrounds, sports fields, and picnic areas.
  • Boone County Museum of History – Showcases local heritage and historical exhibits.
  • Kishwaukee River Forest Preserve – Provides opportunities for hiking, kayaking, and wildlife viewing.
  • Summerfield Farm and Zoo – A family-friendly attraction with animals and outdoor activities.
  • Doty Park – A peaceful park in Belvidere with walking paths and green space.

Distance from Boone County to Nearby Cities

  • Belvidere to Rockford – 12 mi (19 km)
  • Belvidere to Elgin – 45 mi (72 km)
  • Belvidere to Chicago – 70 mi (113 km)
  • Belvidere to Milwaukee – 80 mi (129 km)
  • Belvidere to Madison – 95 mi (153 km)

FAQs about Boone County

Where is Boone County located?

Boone County is located in northern Illinois near the Wisconsin border, northeast of Rockford.

What is Boone County known for?

Boone County is known for its agricultural roots, scenic countryside, and the popular Boone County Fair.

What is the largest city in Boone County?

Belvidere is the largest city and serves as the county seat of Boone County.

Are there outdoor activities in Boone County?

Yes, the county offers parks, forest preserves, rivers, and trails for hiking, fishing, and outdoor recreation.

How can I reach Boone County?

Boone County can be reached via Interstate 90, U.S. Route 20, and Illinois Routes 76 and 173.