Pettis County, Missouri

Pettis County: County in Missouri, United States


Pettis County is a county located in the U.S. state of Missouri. As of the 2010 census, the population was 42,201 and a population density of 24 people per km². After 10 years in 2020 county had an estimated population of 42,490 inhabitants. Its county seat is Sedalia. The county was created 190 years ago in 1832.

Quick Facts about Pettis County

Population : 42,490 (2020)
Country : United States of America
State : Missouri (United States)
Area : 1778 km2
Water as percent of area : 0.6%
Land as percent of area : 99.4%
Named for : Spencer Darwin Pettis
Altitude : 761 feet / 232 meters
Capital : Sedalia
Establishment : January 01, 1833
Time Zone : America/Chicago
Local time : 23:19:29 (1st June 2023)
Density : 24 Pop. per km² as of 2020
Population growth : 0.68% (2010-2020)
Pettis County locator map
Location of Pettis County on Missouri map.
Pettis County Courthouse image
Pettis County Courthouse
Pettis County Courthouse image


Pettis County is located at 38°43'42"N 93°17'6"W (38.7282900, -93.2851000). It has 7 neighbors: Benton County, Cooper County, Henry County, Johnson County, Lafayette County, Morgan County and Saline County.

Pettis County map

The largest city of Pettis County is Sedalia with a population of 21,684. Other cities include, La Monte population 1,137, Smithton population 570, Green Ridge population 495 and Houstonia population 223. See all Pettis County cities & populated places.

Pettis County Populated Places

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

City Name Population Title
Sedalia 21,684 City in Missouri
La Monte 1,137 City in Pettis County, Missouri, United States
Smithton 570 City in Pettis County, Missouri, United States of America
Green Ridge 495 City in Pettis County, Missouri, United States
Houstonia 223 City in Pettis County, Missouri, United States
Hughesville 190 Township in Pettis County, Missouri

Pettis County has 7 neighbours.

  • Sedalia


The population of Pettis County increased by 0.68% in 10 years.

Year Population % Change Method
2010 42,201 - census
2011 42,155 -0.11% estimation process
2012 42,304 0.35% estimation process
2013 42,196 -0.26% estimation process
2014 42,200 0.01% estimation process
2015 42,300 0.24% estimation process
2016 42,249 -0.12% estimation process
2017 42,445 0.46% estimation process
2018 42,441 -0.01% estimation process
2019 42,339 -0.24% estimation process
2020 42,490 0.36% estimation process

Comitatul Pettis, Comte de Pettis, Comté de Pettis, Condado de Pettis, Condado han Pettis, Contea di Pettis, Hrabstwo Pettis, Okrug Petis, Petis, Pettis, Pettis Kun, Pettis Kūn, Pettis konderria, Pettis megye, Quan Pettis, Quận Pettis, mqatʿt bytys, pei di si xian, petisu jun, pettisa ka'unti, shhrstan ptys myzwry, Округ Петис, Петис, Петтис, Петтіс, Փետիս շրջան, شهرستان پتیس، میزوری, مقاطعة بيتيس, پیٹس کاؤنٹی، مسوری, পেত্তিস কাউন্টি, ペティス郡, 佩蒂斯縣

People born in Pettis County (1)

American football player Darold Jenkins was born in Pettis County

Missouri Other Counties (more counties)

County Name Population Title
Saint Louis County 994,020 County in Minnesota, United States
Jackson County 705,925 County in Oregon, United States
Kansas City 495,327 Largest municipality in the U.
Saint Charles County 406,204 County in Missouri, United States
St. Louis 315,685 City in Missouri, United States
Greene County 294,997 County in Tennessee, United States
Clay County 253,463 County in North Carolina, United States
Jefferson County 226,543 County in Missouri, United States
Boone County 182,991 County in West Virginia, United States
Columbia 124,769 City in Missouri, United States
Jasper County 121,648 County in South Carolina, United States
Independence 116,774 County seat of Jackson County, Missouri, United States
East Independence 110,675 City in Jackson County, Missouri, United States of America
Cass County 106,806 County in Missouri, United States
Platte County 106,532 County in Wyoming, United States
Franklin County 104,469 County in Missouri, United States