Grundy County , Missouri

Grundy County: County in Missouri, United States

Grundy County locator map
Location of Grundy County on Missouri map.


Grundy County is a county located in the U.S. state of Missouri. As of the 2010 census, the population was 10,261 and a population density of 9 people per km². After 9 years in 2019 county had an estimated population of 9,850 inhabitants. Its county seat is Trenton. The county was created 180 years ago in 1840.


Grundy County is located at 40°6'50"N 93°33'55"W (40.1139300, -93.5653400). It has 6 neighbors: Daviess County, Linn County, Livingston County, Harrison County, Mercer County and Sullivan County.

Grundy County Missouri Courthouse 20151003-064 image
Grundy County Missouri Courthouse 20151003-064

The largest city of Grundy County is Trenton with a population of 5,763. Other cities include, Galt population 247, Spickard population 243, Laredo population 190 and Lindley population 114. See all Grundy County cities & populated places.

Grundy County map

Grundy County Quick Facts

Population : 9,850 (2019)
Country : United States of America
State : Missouri (United States)
Different from : Grundy County, Grundy County, Grundy County
Area : 1134 km2
Water as percent of area : 0.6%
Land as percent of area : 99.4%
Named for : Felix Grundy
Capital : Trenton
Establishment : January 01, 1841
Time Zone : America/Chicago
Local time : 12:04:35 (12th June 2021)
Density : 9 Pop. per km² as of 2019
Population growth : -4.17% (2010-2019)

Grundy County has 6 neighbours.

  • Trenton


According to census records, the population of Grundy County decreased by 4.17% in 9 years.

Year Population % Change Method
2010 10,261 - census
2011 10,252 -0.09% estimation process
2012 10,331 0.76% estimation process
2013 10,346 0.14% estimation process
2014 10,182 -1.61% estimation process
2015 10,031 -1.51% estimation process
2016 10,111 0.79% estimation process
2017 9,991 -1.2% estimation process
2018 9,975 -0.16% estimation process
2019 9,850 -1.27% estimation process

Comitatul Grundy, Comte de Grundy, Comté de Grundy, Condado de Grundy, Condado han Grundy, Contea di Grundy, Grandi, Grandi srjan, Grundi, Grundy, Grundy Kun, Grundy Kūn, Grundy konderria, Grundy megye, Hrabstwo Grundy, Okrug Grandi, Quan Grundy, Quận Grundy, ge lan di xian, gra'undi ka'unti, gurandi jun, mqatʿt ghrwndy, shhrstan grandy myzwry, Гранди, Грънди, Округ Гранди, Ґранді, Գրանդի շրջան, شهرستان گراندی، میزوری, مقاطعة غروندي, گرنڈی کاؤنٹی،مسوری, گرونڈی کاؤنٹی، مسوری, গ্রাউন্ডি কাউন্টি, グランディ郡, 格蘭迪縣

People born in Grundy County (2)

People born in Grundy County, including Recipient of the Purple Heart medal Hal Call, artist Jennie B. Young, you can see a list of people who born in Grundy County.

Other places with the same name (3)

Grundy County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Grundy County.

City Name Population Title
Trenton 5,763 City in Missouri
Galt 247 City in Grundy County, Missouri
Spickard 243 City in Grundy County, Missouri, United States
Laredo 190 City in Missouri, USA
Lindley 114 Unincorporated community in Missouri
Tindall 76 City in Grundy County, Missouri, United States
Brimson 61 City in Grundy County, Missouri, United States of America

Missouri Other Counties (more counties)

County Name Population Title
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Jackson County 703,011 County in Oregon, United States
Kansas City 495,327 Largest municipality in the U.
Saint Charles County 402,022 County in Missouri, United States
St. Louis 315,685 City in Missouri, United States
Greene County 293,086 County in Tennessee, United States
Clay County 249,948 County in North Carolina, United States
Jefferson County 225,081 County in Missouri, United States
Boone County 180,463 County in West Virginia, United States
Columbia 123,195 City in Missouri, United States
Jasper County 121,328 County in South Carolina, United States
Cass County 105,780 County in Missouri, United States
Platte County 104,418 County in Wyoming, United States
Franklin County 103,967 County in Missouri, United States
Lee's Summit 99,357 City in Missouri, United States
Grundy County Missouri Courthouse 20151003-064 image

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