By Whereig Editors, Reviewed by Mukesh Kumar| Updated On: May 02, 2026 | 20:16 ET
Map of Knox County - Knox County is a county located in the U.S. state of Indiana. Knox County Map showing cities, highways, important places and water bodies. Get Where is Knox County located in the map, major cities in Knox county, population, areas, and places of interest.
Map of Knox County, Indiana
About Knox County Map, North Dakota: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.
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About Knox County, Indiana
Marion County is a county located in the U.S. state of Indiana. It`s county seat is Indianapolis. As per 2020 census, the population of Marion County was 971102 and population density of Marion was square miles. According to the United States Census Bureau, the county has a total area of 396 sq mi (1,026 km2). Marion County was established on -28488.
Knox County Facts
| Continent | North America |
| Country | United States |
| State | Indiana |
| County Seat | Vincennes |
| Largest City/Town | Vincennes |
| Established | 1790 |
| Total Area | 524 sq mi |
| Land Area | 516 sq mi |
| Water Area | 7.5 sq mi |
| Population | 36,282 (Census 2020) |
| Population Density | 70 people per sq mi |
| Time Zone | Eastern Time Zone (ET) |
| Major Highways | US-41, US-50, US-150, IN-61, IN-67 |
| Neighboring Counties | Sullivan County (north), Greene County (northeast), Daviess County (east), Pike County (southeast), Gibson County (south), Lawrence County, IL (west) |
| Famous For | Vincennes, Indiana’s oldest city, George Rogers Clark history |
| Top Attractions | George Rogers Clark National Historical Park, Grouseland, Vincennes University |
| Official Website | https://knoxcounty.in.gov/ |
Cities and Towns in Knox County, Indiana
- Vincennes (county seat) – 16,520 (Census 2020)
- Bicknell – 2,862 (Census 2020)
- Oaktown – 608 (Census 2020)
- Monroe City (partly) – 545 (Census 2020)
- Sandborn – 415 (Census 2020)
Roads and Highways in Knox County, Indiana
Knox County is served by major highways that connect it to southwestern Indiana and Illinois.
- US Route 41 – north-south highway connecting Vincennes to Evansville and Terre Haute
- US Route 50 – east-west route linking Vincennes to Washington and Lawrenceville, IL
- US Route 150 – connects the county to southern Indiana and Illinois
- Indiana State Road 61 – runs north-south linking Vincennes to Petersburg
- Indiana State Road 67 – connects Knox County to southwestern Indiana communities
Neighboring Counties of Knox County
- Sullivan County (north)
- Greene County (northeast)
- Daviess County (east)
- Pike County (southeast)
- Gibson County (south)
- Lawrence County, Illinois (west)
Top Attractions in Knox County, Indiana
Knox County is rich in history and offers several important landmarks and cultural sites.
- George Rogers Clark National Historical Park – honors Revolutionary War hero George Rogers Clark
- Grouseland – historic home of President William Henry Harrison
- Vincennes University – one of the oldest colleges in Indiana
- Old Cathedral Complex – historic church and museum
- Red Skelton Museum of American Comedy – museum dedicated to the famous comedian
- Fox Ridge Nature Park – outdoor recreation and trails
Distance from Knox County to Nearby Cities
- Knox County to Evansville – 50 mi (80 km)
- Knox County to Terre Haute – 55 mi (89 km)
- Knox County to Indianapolis – 120 mi (193 km)
- Knox County to Louisville – 130 mi (209 km)
- Knox County to St. Louis – 170 mi (274 km)
FAQs about Knox County
Where is Knox County located?
Knox County is located in southwestern Indiana along the Illinois border.
What is the county seat of Knox County?
The county seat is Vincennes, which is also the largest city in the county.
What is Knox County known for?
It is known for Vincennes, Indiana’s oldest city, and its historic landmarks.
Is Knox County historically significant?
Yes, it is one of the oldest counties in Indiana with important Revolutionary War history.
What are the main highways in Knox County?
The county is served by US-41, US-50, and several Indiana state roads.
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