Macoupin County Map, Illinois

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

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

Macoupin County Map, Illinois

Macoupin County Map, Illinois

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

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Macoupin County, Illinois

Macoupin County is a county located in the U.S. state of Illinois. It's county seat is Carlinville. As per 2020 census, the population of Macoupin County is 44406 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 862 sq mi (2,233 km2). Macoupin County was established on 1829.

Facts about Macoupin County, Illinois

CountryUnited States
StateIllinois
RegionSouth Central Illinois
County SeatCarlinville
Named AfterMacoupin Creek
Established1829
Organized1829
Coordinates39.26° N, 89.92° W
Total Area~868 sq mi
Land Area~864 sq mi
Water Area~4 sq mi
Population (2020)~44,757
Population RankMid-sized county in Illinois
Largest CityAlton (partially)
Main IndustriesAgriculture, Manufacturing, Energy, Healthcare
Major HighwaysInterstate 55, Illinois Route 16
Time ZoneCentral Time (UTC−06:00)
Known ForCoal mining history, historic Carlinville, rural farmland
Websitehttps://www.macoupincountyil.gov

Ctities in Macoupin county

City NameTypePopulation (2020)Pop. DensityArea
BenldCity1,4641,381.1/sq mi (533.3/km2)1.06 sq mi (2.75 km2)
Bunker HillCity1,6301,279.4/sq mi (494.0/km2)1.274 sq mi (3.3 km2)
CarlinvilleCity5,7101,694.9/sq mi (654.4/km2)3.369 sq mi (8.73 km2)
ChesterfieldVillage170314.2/sq mi (121.3/km2)0.541 sq mi (1.4 km2)
DorchesterVillage133184.2/sq mi (71.1/km2)0.722 sq mi (1.87 km2)
EagarvilleVillage114125.1/sq mi (48.3/km2)0.911 sq mi (2.36 km2)
East GillespieVillage269843.3/sq mi (325.6/km2)0.319 sq mi (0.83 km2)
GillespieCity3,1682,134.8/sq mi (824.2/km2)1.484 sq mi (3.84 km2)
GirardCity1,7851,911.1/sq mi (737.9/km2)0.934 sq mi (2.42 km2)
HettickVillage149408.2/sq mi (157.6/km2)0.365 sq mi (0.95 km2)
Lake Ka-HoVillage194683.1/sq mi (263.7/km2)0.284 sq mi (0.74 km2)
MedoraVillage379997.4/sq mi (385.1/km2)0.38 sq mi (0.98 km2)
ModestoVillage182325.6/sq mi (125.7/km2)0.559 sq mi (1.45 km2)
Mount ClareVillage311202.2/sq mi (78.1/km2)1.538 sq mi (3.98 km2)
Mount OliveCity2,0151,747.6/sq mi (674.8/km2)1.153 sq mi (2.99 km2)
NilwoodTown201432.3/sq mi (166.9/km2)0.465 sq mi (1.2 km2)
PalmyraVillage605605.6/sq mi (233.8/km2)0.999 sq mi (2.59 km2)
Royal LakesVillage167358.4/sq mi (138.4/km2)0.466 sq mi (1.21 km2)
SawyervilleVillage268271.3/sq mi (104.7/km2)0.988 sq mi (2.56 km2)
ScottvilleVillage9393.3/sq mi (36.0/km2)0.997 sq mi (2.58 km2)
ShipmanTown511387.1/sq mi (149.5/km2)1.32 sq mi (3.42 km2)
Standard CityVillage135212.3/sq mi (82.0/km2)0.636 sq mi (1.65 km2)
StauntonCity5,0541,271.8/sq mi (491.0/km2)3.974 sq mi (10.29 km2)
White CityVillage212174.9/sq mi (67.5/km2)1.212 sq mi (3.14 km2)
WilsonvilleVillage536560.7/sq mi (216.5/km2)0.956 sq mi (2.48 km2)
BrightonVillage2,2211,156.2/sq mi (446.4/km2)1.921 sq mi (4.98 km2)
VirdenCity3,2311,710.4/sq mi (660.4/km2)1.889 sq mi (4.89 km2)

Roads and Highways in Macoupin County, Illinois

Macoupin County is well-connected by major highways that link it to central and southwestern Illinois.

  • Interstate 55 – runs north-south through the county, connecting Carlinville to Springfield and St. Louis
  • Illinois Route 4 – runs north-south, linking Carlinville to Staunton and Springfield
  • Illinois Route 16 – runs east-west, connecting Carlinville to Jerseyville and Litchfield
  • Illinois Route 138 – runs east-west, linking Gillespie to Bunker Hill and Mount Olive
  • Illinois Route 159 – runs north-south, connecting the county to Edwardsville and surrounding areas

Neighboring Counties of Macoupin County

  • Sangamon County (north)
  • Montgomery County (east)
  • Bond County (south)
  • Madison County (southwest)
  • Jersey County (west)
  • Greene County (northwest)

Top Attractions in Macoupin County, Illinois

Macoupin County offers historic sites, parks, and small-town charm across its communities.

  • Blackburn College – A historic college campus known for its unique student work program.
  • Macoupin County Courthouse – A historic landmark located in Carlinville.
  • Beaver Dam State Park – A scenic park offering fishing, camping, and hiking.
  • Carlinville Historic Square – Features shops, dining, and historic architecture.
  • Lake Lou Yaeger (nearby) – A popular destination for boating and outdoor recreation.
  • Gillespie Lake – Offers fishing, boating, and relaxing views.
  • Macoupin County Fairgrounds – Hosts annual fairs and community events.

Distance from Macoupin County to Nearby Cities

  • Carlinville to Springfield – 40 mi (64 km)
  • Carlinville to St. Louis – 55 mi (89 km)
  • Carlinville to Litchfield – 25 mi (40 km)
  • Carlinville to Edwardsville – 45 mi (72 km)
  • Carlinville to Decatur – 80 mi (129 km)

FAQs about Macoupin County

Where is Macoupin County located?

Macoupin County is located in southwestern Illinois, centered around the city of Carlinville.

What is Macoupin County known for?

The county is known for its historic sites, parks, and small-town communities.

What is the county seat of Macoupin County?

Carlinville is the county seat and a central city in Macoupin County.

Are there outdoor activities in Macoupin County?

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

How can I reach Macoupin County?

Macoupin County is accessible via Interstate 55 and several Illinois state highways.