Richland County Map, Illinois

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

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

Richland County Map, Illinois

Richland County Map, Illinois

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

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Richland County, Illinois

Richland County is a county located in the U.S. state of Illinois. It's county seat is Olney. As per 2020 census, the population of Richland County is 15796 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 360 sq mi (932 km2). Richland County was established on 1841.

Facts about Richland County, Illinois

CountryUnited States
StateIllinois
RegionSoutheastern Illinois
County SeatOlney
Named AfterRich land (descriptive)
Established1841
Organized1841
Coordinates38.71° N, 88.09° W
Total Area~361 sq mi
Land Area~360 sq mi
Water Area~1 sq mi
Population (2020)~15,813
Population RankSmall county in Illinois
Largest CityOlney
Main IndustriesAgriculture, Manufacturing, Healthcare
Major HighwaysIllinois Route 130, Illinois Route 50
Time ZoneCentral Time (UTC−06:00)
Known ForWhite squirrels of Olney, rural communities, farmland
Websitehttps://www.richlandcounty-il.gov

Ctities in Richland county

City NameTypePopulation (2020)Pop. DensityArea
CalhounVillage164179.8/sq mi (69.4/km2)0.912 sq mi (2.36 km2)
ClaremontVillage161203.0/sq mi (78.4/km2)0.793 sq mi (2.05 km2)
NobleVillage633622.4/sq mi (240.3/km2)1.017 sq mi (2.63 km2)
OlneyCity8,7011,255.4/sq mi (484.7/km2)6.931 sq mi (17.95 km2)
ParkersburgVillage186225.2/sq mi (86.9/km2)0.826 sq mi (2.14 km2)

Roads and Highways in Richland County, Illinois

Richland County is connected by several highways that provide access to southeastern Illinois and surrounding regions.

  • U.S. Route 50 – runs east-west through the county, connecting Olney to Lawrenceville and Flora
  • Illinois Route 130 – runs north-south, linking Olney to Newton and Lawrenceville
  • Illinois Route 250 – runs east-west, connecting Olney to Sumner and rural areas
  • Illinois Route 33 – runs east-west nearby, linking the county to Effingham and Robinson

Neighboring Counties of Richland County

  • Jasper County (north)
  • Crawford County (east)
  • Lawrence County (southeast)
  • Wabash County (south)
  • Edwards County (southwest)
  • Clay County (west)

Top Attractions in Richland County, Illinois

Richland County offers parks, local history, and small-town charm centered around the city of Olney.

  • White Squirrel Park – A unique park known for its population of white squirrels.
  • Richland County Courthouse – A historic landmark located in Olney.
  • Olney Downtown Area – Features shops, dining, and historic buildings.
  • East Fork Lake – Offers fishing, boating, and outdoor recreation.
  • Olney City Park – Provides playgrounds, sports fields, and picnic areas.
  • Richland County Fairgrounds – Hosts fairs and community events.
  • Olney Theatre – A historic venue for local performances and events.

Distance from Richland County to Nearby Cities

  • Olney to Effingham – 35 mi (56 km)
  • Olney to Terre Haute – 55 mi (89 km)
  • Olney to Evansville – 70 mi (113 km)
  • Olney to Champaign – 90 mi (145 km)
  • Olney to Springfield – 120 mi (193 km)

FAQs about Richland County

Where is Richland County located?

Richland County is located in southeastern Illinois, centered around the city of Olney.

What is Richland County known for?

The county is known for its white squirrels, parks, and small-town charm.

What is the county seat of Richland County?

Olney is the county seat and the largest city in Richland County.

Are there outdoor activities in Richland County?

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

How can I reach Richland County?

Richland County is accessible via U.S. Route 50 and several Illinois state highways.