Stephenson County Map, Illinois

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

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

Stephenson County Map, Illinois

Stephenson County Map, Illinois

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

Most Viewed Illinois Links

Illinois MapIllinois County MapIllinois Cities Map
Illinois Zip codesAirports in IllinoisWhere is Springfield
Illinois Area CodesIllinois Blank MapIllinois River Map
Illinois Physical MapIllinois Road MapWhere is Chicago

Stephenson County, Illinois

Stephenson County is a county located in the U.S. state of Illinois. It's county seat is Freeport. As per 2020 census, the population of Stephenson County is 44021 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 564 sq mi (1,461 km2). Stephenson County was established on 1837.

Facts about Stephenson County, Illinois

CountryUnited States
StateIllinois
RegionNorthwestern Illinois
County SeatFreeport
Named AfterBenjamin Stephenson
Established1837
Organized1837
Coordinates42.35° N, 89.65° W
Total Area~565 sq mi
Land Area~564 sq mi
Water Area~1 sq mi
Population (2020)~44,061
Population RankMid-sized county in Illinois
Largest CityFreeport
Main IndustriesManufacturing, Agriculture, Healthcare, Education
Major HighwaysU.S. Route 20, Illinois Route 26
Time ZoneCentral Time (UTC−06:00)
Known ForLincoln–Douglas Debate site, historic Freeport, rural landscape
Websitehttps://www.stephensoncountyil.gov

Ctities in Stephenson county

City NameTypePopulation (2020)Pop. DensityArea
CedarvilleVillage6631,444.4/sq mi (557.7/km2)0.459 sq mi (1.19 km2)
DakotaVillage5002,008.0/sq mi (775.3/km2)0.249 sq mi (0.64 km2)
DavisVillage5891,454.3/sq mi (561.5/km2)0.405 sq mi (1.05 km2)
FreeportCity23,9732,017.8/sq mi (779.1/km2)11.881 sq mi (30.77 km2)
German ValleyVillage433905.9/sq mi (349.8/km2)0.478 sq mi (1.24 km2)
LenaVillage2,7721,045.6/sq mi (403.7/km2)2.651 sq mi (6.87 km2)
OrangevilleVillage7661,133.1/sq mi (437.5/km2)0.676 sq mi (1.75 km2)
Pearl CityVillage7901,232.4/sq mi (475.9/km2)0.641 sq mi (1.66 km2)
RidottVillage1241,675.7/sq mi (647.0/km2)0.074 sq mi (0.19 km2)
Rock CityVillage2932,186.6/sq mi (844.2/km2)0.134 sq mi (0.35 km2)
WinslowVillage281613.5/sq mi (236.9/km2)0.458 sq mi (1.19 km2)

Roads and Highways in Stephenson County, Illinois

Stephenson County is connected by major highways that provide access to northern Illinois and southern Wisconsin.

  • U.S. Route 20 – runs east-west through the county, connecting Freeport to Rockford and Galena
  • Illinois Route 26 – runs north-south, linking Freeport to Dixon and Monroe, Wisconsin
  • Illinois Route 75 – runs east-west, connecting Freeport to Rockford and Stockton
  • Illinois Route 73 – runs north-south, linking Lena to Freeport and Pearl City

Neighboring Counties of Stephenson County

  • Jo Daviess County (west)
  • Carroll County (southwest)
  • Ogle County (southeast)
  • Winnebago County (east)
  • Green County, Wisconsin (north)
  • Lafayette County, Wisconsin (northwest)

Top Attractions in Stephenson County, Illinois

Stephenson County offers historic sites, parks, and scenic landscapes centered around the city of Freeport.

  • Lincoln-Douglas Debate Square – A historic site where Abraham Lincoln and Stephen Douglas debated.
  • Krape Park – A scenic park with a lake, trails, and recreational facilities.
  • Oakdale Nature Preserve – Offers hiking trails and nature viewing.
  • Stephenson County Historical Society Museum – Highlights local history and heritage.
  • Freeport Downtown Area – Features shops, dining, and historic architecture.
  • Little Cubs Field – A replica baseball stadium for family-friendly games.
  • Lake Le-Aqua-Na State Recreation Area (nearby) – Provides camping, fishing, and outdoor activities.

Distance from Stephenson County to Nearby Cities

  • Freeport to Rockford – 25 mi (40 km)
  • Freeport to Chicago – 115 mi (185 km)
  • Freeport to Madison – 70 mi (113 km)
  • Freeport to Dubuque – 70 mi (113 km)
  • Freeport to Milwaukee – 120 mi (193 km)

FAQs about Stephenson County

Where is Stephenson County located?

Stephenson County is located in northwestern Illinois, near the Wisconsin border.

What is Stephenson County known for?

The county is known for its historic debate site, parks, and scenic countryside.

What is the county seat of Stephenson County?

Freeport is the county seat and the largest city in Stephenson County.

Are there outdoor activities in Stephenson County?

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

How can I reach Stephenson County?

Stephenson County is accessible via U.S. Route 20 and several Illinois state highways.