Map of Mason County - Mason County is a county located in the U.S. state of Illinois. Mason County Map showing cities, highways, important places and water bodies. Get Where is Mason County located in the map, major cities in Mason county, population, areas, and places of interest.
Madison County Map, Illinois
About Mason County Map, Illinois: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.
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Madison County, Illinois
Madison County is a county located in the U.S. state of Illinois. It's county seat is Edwardsville. As per 2020 census, the population of Madison County is 264490 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 716 sq mi (1,854 km2). Madison County was established on 1812.
Facts about Madison County, Illinois
| Country | United States |
| State | Illinois |
| Region | Metro East (Greater St. Louis area) |
| County Seat | Edwardsville |
| Named After | James Madison |
| Established | 1812 |
| Organized | 1812 |
| Coordinates | 38.83° N, 89.90° W |
| Total Area | ~741 sq mi |
| Land Area | ~716 sq mi |
| Water Area | ~25 sq mi |
| Population (2020) | ~262,635 |
| Population Rank | Third-most populous county in Illinois |
| Largest City | Alton |
| Main Industries | Manufacturing, Healthcare, Education, Transportation, Retail |
| Major Highways | Interstate 55, Interstate 70, Interstate 255, Interstate 270 |
| Time Zone | Central Time (UTC−06:00) |
| Known For | Metro East suburbs, Mississippi River frontage, SIUE campus |
| Website | https://www.co.madison.il.us |
Ctities in Madison county
| City Name | Type | Population (2020) | Pop. Density | Area |
|---|---|---|---|---|
| Pierron | Village | 459 | 625.3/sq mi (241.4/km2) | 0.734 sq mi (1.9 km2) |
| Alhambra | Village | 622 | 822.8/sq mi (317.7/km2) | 0.756 sq mi (1.96 km2) |
| Alton | City | 25,676 | 1,637.4/sq mi (632.2/km2) | 15.681 sq mi (40.61 km2) |
| Bethalto | Village | 9,310 | 1,226.5/sq mi (473.5/km2) | 7.591 sq mi (19.66 km2) |
| East Alton | Village | 5,786 | 1,088.0/sq mi (420.1/km2) | 5.318 sq mi (13.77 km2) |
| Edwardsville | City | 26,808 | 1,353.2/sq mi (522.5/km2) | 19.811 sq mi (51.31 km2) |
| Glen Carbon | Village | 13,842 | 1,350.4/sq mi (521.4/km2) | 10.25 sq mi (26.55 km2) |
| Godfrey | Village | 17,825 | 518.2/sq mi (200.1/km2) | 34.395 sq mi (89.08 km2) |
| Granite City | City | 27,549 | 1,448.1/sq mi (559.1/km2) | 19.024 sq mi (49.27 km2) |
| Grantfork | Village | 341 | 1,011.9/sq mi (390.7/km2) | 0.337 sq mi (0.87 km2) |
| Hamel | Village | 929 | 780.7/sq mi (301.4/km2) | 1.19 sq mi (3.08 km2) |
| Hartford | Village | 1,185 | 229.4/sq mi (88.6/km2) | 5.166 sq mi (13.38 km2) |
| Highland | City | 9,991 | 1,479.9/sq mi (571.4/km2) | 6.751 sq mi (17.49 km2) |
| Livingston | Village | 763 | 733.7/sq mi (283.3/km2) | 1.04 sq mi (2.69 km2) |
| Marine | Village | 912 | 1,222.5/sq mi (472.0/km2) | 0.746 sq mi (1.93 km2) |
| Maryville | Village | 8,221 | 1,448.4/sq mi (559.2/km2) | 5.676 sq mi (14.7 km2) |
| New Douglas | Village | 350 | 334.0/sq mi (128.9/km2) | 1.048 sq mi (2.71 km2) |
| Pontoon Beach | Village | 5,876 | 590.0/sq mi (227.8/km2) | 9.96 sq mi (25.8 km2) |
| Roxana | Village | 1,454 | 204.8/sq mi (79.1/km2) | 7.101 sq mi (18.39 km2) |
| St. Jacob | Village | 1,358 | 1,632.2/sq mi (630.2/km2) | 0.832 sq mi (2.15 km2) |
| South Roxana | Village | 1,891 | 876.3/sq mi (338.3/km2) | 2.158 sq mi (5.59 km2) |
| Troy | City | 10,960 | 1,950.2/sq mi (753.0/km2) | 5.62 sq mi (14.56 km2) |
| Venice | City | 1,498 | 810.2/sq mi (312.8/km2) | 1.849 sq mi (4.79 km2) |
| Williamson | Village | 183 | 156.3/sq mi (60.3/km2) | 1.171 sq mi (3.03 km2) |
| Wood River | City | 10,464 | 1,500.2/sq mi (579.2/km2) | 6.975 sq mi (18.07 km2) |
| Worden | Village | 1,096 | 1,537.2/sq mi (593.5/km2) | 0.713 sq mi (1.85 km2) |
| Collinsville | City | 24,366 | 1,616.1/sq mi (624.0/km2) | 15.077 sq mi (39.05 km2) |
| Madison | City | 3,171 | 227.2/sq mi (87.7/km2) | 13.955 sq mi (36.14 km2) |
| Fairmont City | Village | 2,265 | 365.0/sq mi (140.9/km2) | 6.205 sq mi (16.07 km2) |
Roads and Highways in Madison County, Illinois
Madison County is a major transportation hub in southwestern Illinois with extensive highway access to the St. Louis metro area.
- Interstate 55 – runs north-south through the county, connecting the area to Springfield and St. Louis
- Interstate 70 – runs east-west, linking Madison County to Indianapolis and St. Louis
- Interstate 270 – forms a loop around St. Louis, providing access across the region
- U.S. Route 67 – runs north-south, connecting Alton to Jerseyville and St. Louis
- Illinois Route 3 – runs north-south, linking Granite City to Alton and Chester
- Illinois Route 111 – serves key communities like Edwardsville and Wood River
Neighboring Counties of Madison County
- Jersey County (north)
- Macoupin County (northeast)
- Bond County (east)
- Clinton County (southeast)
- St. Clair County (south)
- St. Louis County, Missouri (west)
Top Attractions in Madison County, Illinois
Madison County offers a mix of riverfront views, historic sites, and suburban attractions near St. Louis.
- Cahokia Mounds State Historic Site – A UNESCO World Heritage Site with ancient Native American earthworks.
- Lewis and Clark State Historic Site – Highlights the famous expedition’s winter camp.
- Alton Riverfront – A scenic area along the Mississippi River with views and dining.
- National Great Rivers Museum – Offers exhibits on river history and ecology.
- Edwardsville Downtown District – Features shops, restaurants, and community events.
- Gateway Grizzlies Ballpark – A local sports venue with family-friendly entertainment.
- Great River Road – A scenic drive along the Mississippi River.
Distance from Madison County to Nearby Cities
- Edwardsville to St. Louis – 25 mi (40 km)
- Alton to Springfield – 80 mi (129 km)
- Edwardsville to Belleville – 30 mi (48 km)
- Alton to Quincy – 100 mi (161 km)
- Edwardsville to Chicago – 260 mi (418 km)
FAQs about Madison County
Where is Madison County located?
Madison County is located in southwestern Illinois, part of the Greater St. Louis metropolitan area.
What is Madison County known for?
The county is known for Cahokia Mounds, riverfront attractions, and its connection to the St. Louis metro area.
What is the county seat of Madison County?
Edwardsville is the county seat and a major city in Madison County.
Are there outdoor activities in Madison County?
Yes, visitors can enjoy parks, riverfront areas, trails, and scenic drives throughout the county.
How can I reach Madison County?
Madison County is accessible via Interstates 55, 70, and 270, along with several U.S. and state highways.
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