Map of Mercer County - Mercer County is a county located in the U.S. state of Illinois. Mercer County Map showing cities, highways, important places and water bodies. Get Where is Mercer County located in the map, major cities in Mercer county, population, areas, and places of interest.
Mercer County Map, Illinois
About Mercer County Map, Illinois: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.
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Mercer County, Illinois
Mercer County is a county located in the U.S. state of Illinois. It's county seat is Aledo. As per 2020 census, the population of Mercer County is 15582 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 561 sq mi (1,453 km2). Mercer County was established on 1825.
Facts about Mercer County, Illinois
| Country | United States |
| State | Illinois |
| Region | West Central Illinois |
| County Seat | Aledo |
| Named After | Hugh Mercer |
| Established | 1825 |
| Organized | 1825 |
| Coordinates | 41.20° N, 90.75° W |
| Total Area | ~568 sq mi |
| Land Area | ~565 sq mi |
| Water Area | ~3 sq mi |
| Population (2020) | ~15,864 |
| Population Rank | Small county in Illinois |
| Largest City | Aledo |
| Main Industries | Agriculture, Manufacturing, Healthcare |
| Major Highways | U.S. Route 67, Illinois Route 94 |
| Time Zone | Central Time (UTC−06:00) |
| Known For | Rural farmland, historic Aledo, Mississippi River proximity |
| Website | https://www.mercercountyil.gov |
Ctities in Mercer county
| City Name | Type | Population (2020) | Pop. Density | Area |
|---|---|---|---|---|
| Aledo | City | 3,633 | 1,534.2/sq mi (592.4/km2) | 2.368 sq mi (6.13 km2) |
| Joy | Village | 372 | 869.2/sq mi (335.6/km2) | 0.428 sq mi (1.11 km2) |
| Keithsburg | City | 550 | 215.0/sq mi (83.0/km2) | 2.558 sq mi (6.63 km2) |
| Matherville | Village | 707 | 1,808.2/sq mi (698.1/km2) | 0.391 sq mi (1.01 km2) |
| New Boston | City | 613 | 651.4/sq mi (251.5/km2) | 0.941 sq mi (2.44 km2) |
| North Henderson | Village | 162 | 716.8/sq mi (276.8/km2) | 0.226 sq mi (0.59 km2) |
| Seaton | Village | 214 | 135.5/sq mi (52.3/km2) | 1.579 sq mi (4.09 km2) |
| Sherrard | Village | 692 | 745.7/sq mi (287.9/km2) | 0.928 sq mi (2.4 km2) |
| Viola | Village | 869 | 1,037.0/sq mi (400.4/km2) | 0.838 sq mi (2.17 km2) |
| Windsor | Village | 668 | 1,525.1/sq mi (588.8/km2) | 0.438 sq mi (1.13 km2) |
| Reynolds | Village | 498 | 1,353.3/sq mi (522.5/km2) | 0.368 sq mi (0.95 km2) |
| Alexis | Village | 793 | 1,669.5/sq mi (644.6/km2) | 0.475 sq mi (1.23 km2) |
Roads and Highways in Mercer County, Illinois
Mercer County is connected by key highways that provide access to western Illinois and the Quad Cities region.
- U.S. Route 67 – runs north-south through the county, connecting Aledo to Rock Island and Monmouth
- Illinois Route 17 – runs east-west, linking Aledo to Viola and Keithsburg
- Illinois Route 94 – runs north-south, connecting the county to Galesburg and Carthage
- Illinois Route 192 – serves local communities, connecting rural areas within the county
Neighboring Counties of Mercer County
- Rock Island County (north)
- Henry County (east)
- Knox County (southeast)
- Warren County (south)
- Henderson County (southwest)
- Louisa County, Iowa (west)
- Muscatine County, Iowa (northwest)
Top Attractions in Mercer County, Illinois
Mercer County offers scenic landscapes, outdoor recreation, and small-town charm along the Mississippi River region.
- Pope Creek State Park – A scenic park with trails, camping, and natural surroundings.
- Mississippi River Access Areas – Provide boating, fishing, and scenic views.
- Aledo Downtown Square – Features local shops, dining, and historic buildings.
- Mercer County Courthouse – A historic landmark located in Aledo.
- Keithsburg Riverfront – Offers relaxing views along the Mississippi River.
- Mercer County Historical Society Museum – Highlights local history and heritage.
- Mercer County Fairgrounds – Hosts annual fairs and community events.
Distance from Mercer County to Nearby Cities
- Aledo to Rock Island – 25 mi (40 km)
- Aledo to Galesburg – 35 mi (56 km)
- Aledo to Davenport – 30 mi (48 km)
- Aledo to Peoria – 90 mi (145 km)
- Aledo to Chicago – 170 mi (274 km)
FAQs about Mercer County
Where is Mercer County located?
Mercer County is located in western Illinois near the Mississippi River and the Quad Cities region.
What is Mercer County known for?
The county is known for its scenic river views, parks, and quiet rural communities.
What is the county seat of Mercer County?
Aledo is the county seat and the largest city in Mercer County.
Are there outdoor activities in Mercer County?
Yes, visitors can enjoy parks, rivers, trails, and outdoor recreation throughout the county.
How can I reach Mercer County?
Mercer County is accessible via U.S. Route 67 and several Illinois state highways.
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