Grundy County, Missouri

Grundy County is located in north-central Missouri, not far from the Iowa border. Agriculture shapes much of the landscape, with rolling hills, cornfields, and cattle farms stretching across the countryside.

Life moves at a relaxed pace here, which is part of the county’s appeal. The Grand River flows through the area, providing scenic views and popular spots for fishing and outdoor recreation.

One of the county’s standout attractions is Crowder State Park. The park offers hiking, camping, and opportunities to learn about the region’s past, including Native American artifacts and historical sites that reflect the area's rich heritage.

Grundy County location map showing the county's position within Missouri.
Category Details
County Name Grundy County
County Seat Trenton
Cities, Towns, and Communities Trenton, Galt, Laredo, Spickard, Tindall
Interstates and Highways US 65, MO 6, MO 146
Population Approximately 9,000
FIPS Code 29-079
Total Area (Land and Water) 438 square miles (Land: 435 sq mi, Water: 3 sq mi)
Time Zone Central Time Zone (CT)
State Missouri
Coordinates 40.0721° N, 93.5903° W
Etymology Named after Felix Grundy, a U.S. Congressman and Senator from Tennessee
Major Landmarks Crowder State Park, Grundy County Museum, Lake Trenton
Adjacent Counties (and Direction) Mercer County (North), Sullivan County (East), Linn County (Southeast), Livingston County (South), Daviess County (Southwest), Harrison County (Northwest)
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