Grundy County
Also known as Grundy County, Missouri, Grundy County, MO
county in Missouri, United States
Key facts
- Country
- United States
- State
- Missouri
- Founded
- January 2, 1841
- Named after
- Felix Grundy
- Seat
- Trenton
- Largest city
- Trenton
- Total
- 438 sq mi (1,130 km )
- Land
- 435 sq mi (1,130 km )
- Water
- 2.8 sq mi (7.3 km ) 0.6%
- Estimate 2025
- 9,744
- Density
- 22.4/sq mi (8.6/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
~11 min read
Article
Grundy County is a county located in the U.S. state of Missouri. As of the 2020 census, the population was 9,808. Its county seat is Trenton. The county was organized January 2, 1841, from part of Livingston County, Missouri and named after U.S. Attorney General Felix Grundy.
Geography