Hancock County Map, Illinois

Q: What is Hancock County known for?

Hancock County is known for Nauvoo’s historic sites, riverfront views, and its small-town communities.

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

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

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

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Hancock County, Illinois

Hancock County is a county located in the U.S. state of Illinois. It's county seat is Carthage. As per 2020 census, the population of Hancock County is 17400 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 793 sq mi (2,054 km2). Hancock County was established on 1825.

Facts about Hancock County, Illinois

Country	United States
State	Illinois
Region	Western Illinois
County Seat	Carthage
Named After	John Hancock
Established	1825
Organized	1825
Coordinates	40.40° N, 91.17° W
Total Area	~794 sq mi
Land Area	~794 sq mi
Water Area	~0.4 sq mi
Population (2020)	~17,097
Population Rank	Small-to-mid-sized county in Illinois
Largest City	Carthage
Main Industries	Agriculture, Manufacturing, Healthcare, Education
Major Highway	Illinois Route 96
Time Zone	Central Time (UTC−06:00)
Known For	Nauvoo Historic District nearby, Mississippi River access, rural heritage
Website	https://www.hancockcountyil.gov

Ctities in Hancock county

City Name	Type	Population (2020)	Pop. Density	Area
Augusta	Village	553	800.3/sq mi (309.0/km2)	0.691 sq mi (1.79 km2)
Basco	Village	80	360.4/sq mi (139.1/km2)	0.222 sq mi (0.57 km2)
Bentley	Town	30	209.8/sq mi (81.0/km2)	0.143 sq mi (0.37 km2)
Bowen	Village	464	1,084.1/sq mi (418.6/km2)	0.428 sq mi (1.11 km2)
Carthage	City	2,490	999.6/sq mi (385.9/km2)	2.491 sq mi (6.45 km2)
Elvaston	Village	147	184.0/sq mi (71.0/km2)	0.799 sq mi (2.07 km2)
Ferris	Village	127	64.6/sq mi (24.9/km2)	1.967 sq mi (5.09 km2)
Hamilton	City	2,753	773.1/sq mi (298.5/km2)	3.561 sq mi (9.22 km2)
La Harpe	City	1,175	861.4/sq mi (332.6/km2)	1.364 sq mi (3.53 km2)
Nauvoo	City	950	280.6/sq mi (108.3/km2)	3.386 sq mi (8.77 km2)
Plymouth	Village	436	771.7/sq mi (297.9/km2)	0.565 sq mi (1.46 km2)
Pontoosuc	Village	99	70.4/sq mi (27.2/km2)	1.406 sq mi (3.64 km2)
Warsaw	City	1,510	231.6/sq mi (89.4/km2)	6.52 sq mi (16.89 km2)
West Point	Village	140	833.3/sq mi (321.8/km2)	0.168 sq mi (0.44 km2)
Dallas City	City	805	339.1/sq mi (130.9/km2)	2.374 sq mi (6.15 km2)

Roads and Highways in Hancock County, Illinois

Hancock County is served by several key highways that connect it to western Illinois and the Mississippi River region.

U.S. Route 136 – runs east-west through the county, connecting Carthage to Macomb and Keokuk, Iowa
Illinois Route 96 – runs north-south along the Mississippi River, linking Nauvoo to Hamilton and Quincy
Illinois Route 9 – crosses the northern part of the county, connecting Dallas City to Blandinsville
Illinois Route 94 – runs north-south, connecting Carthage to Bowen and La Harpe

Neighboring Counties of Hancock County

McDonough County (east)
Schuyler County (southeast)
Adams County (south)
Lee County, Iowa (west)
Des Moines County, Iowa (northwest)

Top Attractions in Hancock County, Illinois

Hancock County offers scenic river views, historic landmarks, and small-town charm along the Mississippi River.

Nauvoo Historic District – A major historic site with restored buildings and cultural attractions.
Carthage Jail – A historic site associated with early Mormon history.
Mississippi Riverfront Parks – Provide scenic views, walking paths, and picnic areas.
Hancock County Courthouse – A historic landmark located in Carthage.
Hamilton Riverfront Park – A relaxing area along the Mississippi River.
Rheinberger House Museum – Showcases local history and heritage.
Downtown Carthage Square – Features shops, dining, and historic architecture.

Distance from Hancock County to Nearby Cities

Carthage to Quincy – 30 mi (48 km)
Carthage to Macomb – 25 mi (40 km)
Carthage to Burlington – 40 mi (64 km)
Carthage to Springfield – 100 mi (161 km)
Carthage to Peoria – 110 mi (177 km)

FAQs about Hancock County

Where is Hancock County located?

Hancock County is located in western Illinois along the Mississippi River, bordering Iowa.

What is Hancock County known for?

The county is known for Nauvoo’s historic sites, riverfront views, and its small-town communities.

What is the county seat of Hancock County?

Carthage is the county seat and the largest city in Hancock County.

Are there outdoor activities in Hancock County?

Yes, visitors can enjoy riverfront parks, walking trails, and outdoor recreation along the Mississippi River.

How can I reach Hancock County?

Hancock County is accessible via U.S. Route 136 and several Illinois state highways including Routes 9, 94, and 96.

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Hancock County Map, Illinois