Winnebago County Map, Illinois

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

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

Winnebago County Map, Illinois

Winnebago County Map, Illinois

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

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Winnebago County, Illinois

Winnebago County is a county located in the U.S. state of Illinois. It's county seat is Rockford. As per 2020 census, the population of Winnebago County is 283119 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 513 sq mi (1,329 km2). Winnebago County was established on 1836.

Facts about Winnebago County, Illinois

CountryUnited States
StateIllinois
RegionNorthern Illinois
County SeatRockford
Named AfterWinnebago (Ho-Chunk) people
Established1836
Organized1836
Coordinates42.34° N, 89.16° W
Total Area~519 sq mi
Land Area~513 sq mi
Water Area~6 sq mi
Population (2020)~285,350
Population RankSecond-most populous county in Illinois
Largest CityRockford
Main IndustriesManufacturing, Healthcare, Aerospace, Logistics
Major HighwaysInterstate 90, Interstate 39, U.S. Route 20
Time ZoneCentral Time (UTC−06:00)
Known ForRockford metro area, manufacturing heritage, Rock River corridor
Websitehttps://www.wincoil.gov

Ctities in Winnebago county

City NameTypePopulation (2020)Pop. DensityArea
Cherry ValleyVillage2,905345.6/sq mi (133.4/km2)8.405 sq mi (21.77 km2)
DurandVillage1,3901,512.5/sq mi (584.0/km2)0.919 sq mi (2.38 km2)
Machesney ParkVillage22,9501,809.2/sq mi (698.5/km2)12.685 sq mi (32.85 km2)
New MilfordVillage794312.2/sq mi (120.6/km2)2.543 sq mi (6.59 km2)
PecatonicaVillage2,0901,629.0/sq mi (629.0/km2)1.283 sq mi (3.32 km2)
RockfordCity148,6552,303.2/sq mi (889.3/km2)64.544 sq mi (167.17 km2)
RocktonVillage7,8631,145.9/sq mi (442.4/km2)6.862 sq mi (17.77 km2)
RoscoeVillage10,9831,069.9/sq mi (413.1/km2)10.265 sq mi (26.59 km2)
South BeloitCity7,9891,300.3/sq mi (502.0/km2)6.144 sq mi (15.91 km2)
WinnebagoVillage2,9401,520.2/sq mi (586.9/km2)1.934 sq mi (5.01 km2)
Loves ParkCity23,3971,433.2/sq mi (553.4/km2)16.325 sq mi (42.28 km2)

Roads and Highways in Winnebago County, Illinois

Winnebago County is a major transportation hub in northern Illinois, centered around the city of Rockford.

  • Interstate 90 – runs east-west through the county, connecting Rockford to Chicago and Madison, Wisconsin
  • U.S. Route 20 – runs east-west, linking Rockford to Freeport and Belvidere
  • U.S. Route 51 – runs north-south, connecting Rockford to Beloit, Wisconsin and Bloomington
  • Illinois Route 2 – runs north-south along the Rock River, linking Rockford to Oregon and Dixon
  • Illinois Route 173 – runs east-west, connecting the county to Harvard and Zion

Neighboring Counties of Winnebago County

  • Boone County (east)
  • McHenry County (southeast)
  • Ogle County (south)
  • Stephenson County (west)
  • Green County, Wisconsin (north)
  • Rock County, Wisconsin (north)

Top Attractions in Winnebago County, Illinois

Winnebago County offers a mix of urban attractions, parks, and cultural sites in the Rockford area.

  • Anderson Japanese Gardens – A highly regarded garden with scenic landscapes and tranquil settings.
  • Discovery Center Museum – A family-friendly science museum with interactive exhibits.
  • Nicholas Conservatory and Gardens – Features tropical plants and riverfront views.
  • Rock Cut State Park – A large park with lakes, trails, and camping areas.
  • Burpee Museum of Natural History – Showcases fossils, including a famous T. rex.
  • Klehm Arboretum & Botanic Garden – Offers walking trails and plant collections.
  • Downtown Rockford – Features dining, entertainment, and cultural venues.

Distance from Winnebago County to Nearby Cities

  • Rockford to Chicago – 90 mi (145 km)
  • Rockford to Madison – 75 mi (121 km)
  • Rockford to Milwaukee – 100 mi (161 km)
  • Rockford to Freeport – 35 mi (56 km)
  • Rockford to DeKalb – 45 mi (72 km)

FAQs about Winnebago County

Where is Winnebago County located?

Winnebago County is located in northern Illinois, centered around the city of Rockford.

What is Winnebago County known for?

The county is known for its parks, museums, and cultural attractions in the Rockford area.

What is the county seat of Winnebago County?

Rockford is the county seat and the largest city in Winnebago County.

Are there outdoor activities in Winnebago County?

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

How can I reach Winnebago County?

Winnebago County is accessible via Interstate 90, U.S. Routes 20 and 51, and several Illinois state highways.