Grundy County, Missouri

Grundy County, Missouri

Grundy County Courthouse in Trenton
Map of Missouri highlighting Grundy County
Location in the U.S. state of Missouri
Map of the United States highlighting Missouri
Missouri's location in the U.S.
Founded January 2, 1841
Named for Felix Grundy
Seat Trenton
Largest city Trenton
  Total 438 sq mi (1,134 km2)
  Land 435 sq mi (1,127 km2)
  Water 2.8 sq mi (7 km2), 0.6%
Population (est.)
  (2015) 10,097
  Density 24/sq mi (9/km²)
Congressional district 6th
Time zone Central: UTC-6/-5

Grundy County is a county located in the U.S. state of Missouri. As of the 2010 census, the population was 10,261.[1] Its county seat is Trenton.[2] The county was organized January 2, 1841, from part of Livingston County, Missouri and named after U.S. Attorney General Felix Grundy.[3][4]


According to the U.S. Census Bureau, the county has a total area of 438 square miles (1,130 km2), of which 435 square miles (1,130 km2) is land and 2.8 square miles (7.3 km2) (0.6%) is water.[5]

Adjacent counties

Major highways


Historical population
Census Pop.
Est. 201510,097[6]−1.6%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2015[1]

As of the 2010 census, there were 10,261 people, 4,204 households, and 2,694 families residing in the county. The population density was 23.43 people per square mile (9/km²). There were 5,023 housing units at an average density of 11.47 per square mile (4.43/km²). The racial makeup of the county was 96.94% White, 0.57% Black or African American, 0.42% Native American, 0.36% Asian, 0.03% Pacific Islander, 6.53% from other races, and 1.02% from two or more races. Approximately 1.73% of the population were Hispanic or Latino of any race.

There were 4,204 households out of which 28.28% had children under the age of 18 living with them, 51.05% were married couples living together, 8.68% had a female householder with no husband present, and 35.92% were non-families. 31.14% of all households were made up of individuals and 15.37% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.94.

In the county the population was spread out with 24.04% under the age of 18, 9.27% from 18 to 24, 20.29% from 25 to 44, 25.93% from 45 to 64, and 20.47% who were 65 years of age or older. The median age was 41.6 years. For every 100 females there were 91.22 males. For every 100 females age 18 and over, there were 91.03 males.

The median income for a household in the county was $35,239, and the median income for a family was $45,959. Males had a median income of $31,843 versus $25,231 for females. The per capita income for the county was $18,148. About 10.2% of families and 13.3% of the population were below the poverty line, including 13.4% of those under age 18 and 16.7% of those age 65 or over.


According to the Association of Religion Data Archives County Membership Report (2010), Grundy County is sometimes regarded as being on the northern edge of the Bible Belt, with evangelical Protestantism being the majority religion. The most predominant denominations among residents in Grundy County who adhere to a religion are Southern Baptists (49.86%), United Methodists (13.51%), and Disciples of Christ (6.95%).


Public schools

Private schools



The Republican Party predominantly controls politics at the local level in Grundy County. Republicans hold all of the elected positions in the county.

Grundy County, Missouri
Elected countywide officials
Assessor Kathy Veatch Republican
Circuit Clerk Becky Stantruf Republican
County Clerk Betty Spickard Republican
Rick Hull Republican
(District 1)
Gene Wyant Republican
(District 2)
Joe Brinser Republican
Coroner Dewayne Slater Republican
Prosecuting Attorney Carrie Lamm-Clark Republican
Public Administrator Jill Eaton Republican
Sheriff Rodney Herring Republican
Surveyor Richard Hattesohl Republican
Treasurer Barb Harris Republican


Past Gubernatorial Elections Results
Year Republican Democratic Third Parties
2012 53.86% 2,352 42.41% 1,852 3.73% 163
2008 53.65% 2,512 43.61% 2,042 2.73% 128
2004 58.87% 2,836 39.24% 1,890 1.89% 91
2000 64.50% 3,029 32.37% 1,520 3.14% 147
1996 32.82% 1,528 64.83% 3,018 2.34% 109

All of Grundy County is a part of Missouri's 7th District in the Missouri House of Representatives and is represented by Mike Lair (R-Chillicothe).

Missouri House of Representatives – District 7 – Grundy County (2014)
Party Candidate Votes % ±
Republican Mike Lair 2,196 100.00 +36.13

All of Grundy County is a part of Missouri’s 12th District in the Missouri Senate and is currently represented by Dan Hegeman (R-Cosby).

Missouri Senate - District 12 – Grundy County (2014)
Party Candidate Votes % ±
Republican Dan Hegeman 2,166 100.00 ±0.00


All of Grundy County is included in Missouri’s 6th Congressional District and is currently represented by Sam Graves (R-Tarkio) in the U.S. House of Representatives. Graves is seeking a ninth term in 2016.

U.S. House of Representatives – Missouri’s 6th Congressional District – Grundy County (2014)
Party Candidate Votes % ±
Republican Sam Graves 2,000 79.21 -1.75
Democratic W.A. (Bill) Hedge 406 16.08 -2.90
Libertarian Russ Monchil 119 4.71 +4.71

Grundy County, along with the rest of the entire state of Missouri, is represented in the U.S. Senate by Claire McCaskill (D-Kirkwood) and Roy Blunt (R-Strafford). McCaskill was elected to a second term in 2012.

U.S. Senate - Class I - Grundy County (2012)
Party Candidate Votes % ±
Democratic Claire McCaskill 2,032 46.79 +6.98
Republican Todd Akin 1,912 44.03 -7.69
Libertarian Jonathan Dine 399 9.19 +2.69

Blunt was elected in 2010 over Missouri Secretary of State Robin Carnahan. He is seeking a second term in 2016.

U.S. Senate - Class III - Grundy County (2010)
Party Candidate Votes % ±
Republican Roy Blunt 2,113 67.25 -2.70
Democratic Robin Carnahan 744 23.68 -4.38
Constitution Jerry Beck 157 5.00 +3.78
Libertarian Jonathan Dine 128 4.07 +3.30

Political culture

Past Presidential Elections Results
Year Republican Democratic Third Parties
2012 69.27% 3,030 27.71% 1,212 3.01% 132
2008 63.42% 3,006 33.33% 1,580 3.25% 154
2004 65.97% 3,172 32.47% 1,561 1.56% 75
2000 63.21% 2,976 33.20% 1,563 3.58% 169
1996 40.08% 1,883 44.13% 2,073 15.79% 742

At the presidential level, Grundy County is reliably Republican. Like many of the rural counties throughout Missouri, Grundy County strongly favored Mitt Romney over Barack Obama in 2012, and John McCain carried the county in 2008. George W. Bush carried the county easily in 2000 and 2004. Bill Clinton was the last Democratic presidential nominee to carry Grundy County in 1996 with a plurality of the vote, and a Democrat hasn't won majority support from the county's voters in a presidential election since Lyndon Johnson in 1964.

Like most rural areas throughout northern Missouri, voters in Grundy County generally adhere to socially and culturally conservative principles which tend to influence their Republican leanings. In 2004, Missourians voted on a constitutional amendment to define marriage as the union between a man and a woman—it overwhelmingly won in Grundy County with 77% of the vote. The initiative passed the state with 71% support from voters. In 2006, Missourians voted on a constitutional amendment to fund and legalize embryonic stem cell research in the state—it failed in Grundy County with 55% voting against the measure. The initiative narrowly passed the state with 51% of support from voters as Missouri became one of the first states in the nation to approve embryonic stem cell research. Despite Grundy County's longstanding tradition of supporting socially conservative platforms, voters in the county have a penchant for advancing populist causes like increasing the minimum wage. In 2006, Missourians voted on a proposition (Proposition B) to increase the minimum wage in the state to $6.50 an hour—it passed Grundy County with 61% of the vote. The proposition strongly passed every single county in Missouri with 79% voting in favor. (During the same election, voters in five other states also strongly approved increases in the minimum wage.)

Missouri Presidential Preference Primaries


The 2016 presidential primaries for both the Republican and Democratic parties were held in Missouri on March 15. Businessman Donald Trump (R-New York) narrowly won the state overall, but received majority support in Grundy County.

Missouri Republican Presidential Primary – Grundy County (2016)
Party Candidate Votes % ±
Republican Donald Trump 978 50.10
Republican Ted Cruz 673 34.48
Republican John Kasich 163 8.35
Republican Marco Rubio 79 4.05
Republican Others/Uncommitted 59 3.02

On the Democratic side, former Secretary of State Hillary Clinton (D-New York) won statewide by a slim margin, but Senator Bernie Sanders (I-Vermont) carried Grundy County.

Missouri Democratic Presidential Primary – Grundy County (2016)
Party Candidate Votes % ±
Democratic Bernie Sanders 262 53.36
Democratic Hillary Clinton 219 44.60
Democratic Others/Uncommitted 10 2.03


The 2012 Missouri Republican Presidential Primary's results were nonbinding on the state's national convention delegates. Voters in Grundy County supported former U.S. Senator Rick Santorum (R-Pennsylvania), who finished first in the state at large, but eventually lost the nomination to former Governor Mitt Romney (R-Massachusetts). Delegates to the congressional district and state conventions were chosen at a county caucus, which selected delegations favoring U.S. Representative Ron Paul (R-Texas).


In 2008, the Missouri Republican Presidential Primary was closely contested, with Senator John McCain (R-Arizona) prevailing and eventually winning the nomination.

Missouri Republican Presidential Primary – Grundy County (2008)
Party Candidate Votes % ±
Republican John McCain 377 34.46
Republican Mike Huckabee 361 33.00
Republican Ron Paul 210 19.20
Republican Mitt Romney 122 11.15
Republican Others/Uncommitted 24 2.19

Then-Senator Hillary Clinton (D-New York) received more votes than any candidate from either party in Grundy County during the 2008 presidential primary. Despite initial reports that Clinton had won Missouri, Barack Obama (D-Illinois), also a Senator at the time, narrowly defeated her statewide and later became that year's Democratic nominee, going on to win the presidency.

Missouri Democratic Presidential Primary – Grundy County (2008)
Party Candidate Votes % ±
Democratic Hillary Clinton 485 57.95
Democratic Barack Obama 323 38.59
Democratic Others/Uncommitted 29 3.47




Census-designated place

Unincorporated communities



  • Franklin
  • Harrison
  • Jackson
  • Jefferson

  • Liberty
  • Lincoln
  • Madison
  • Marion

  • Myers
  • Taylor
  • Trenton
  • Washington
  • Wilson

Notable residents

See also


  1. 1 2 "State & County QuickFacts". United States Census Bureau. Retrieved September 8, 2013.
  2. "Find a County". National Association of Counties. Retrieved 2011-06-07.
  3. Eaton, David Wolfe (1916). How Missouri Counties, Towns and Streams Were Named. The State Historical Society of Missouri. p. 170.
  4. Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 145.
  5. "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved November 15, 2014.
  6. "County Totals Dataset: Population, Population Change and Estimated Components of Population Change: April 1, 2010 to July 1, 2015". Retrieved July 2, 2016.
  7. "U.S. Decennial Census". United States Census Bureau. Retrieved November 15, 2014.
  8. "Historical Census Browser". University of Virginia Library. Retrieved November 15, 2014.
  9. "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved November 15, 2014.
  10. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved November 15, 2014.
  11. Grundy County, Missouri (official site), Township

Coordinates: 40°07′N 93°34′W / 40.11°N 93.57°W / 40.11; -93.57

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