The formation of Missouri counties started in 1812, just after the purchase and the admittance of Louisiana into the US. While the state’s capital city (Jefferson City) is located in Callaway County and Cole County, the largest city (Kansas City) is spread across Jackson County, Clay County, Platte County, and Cass County.
How Many Counties in Missouri
The US State of Missouri (situated in the Midwestern region of the US) has 114 counties. Check this Missouri County Map which provides the location of all counties on the Missouri Map.
Counties of Missouri
- Adair County Map, Missouri
- Andrew County Map, Missouri
- Atchison County Map, Missouri
- Audrain County Map, Missouri
- Barry County Map, Missouri
- Barton County Map, Missouri
- Bates County Map, Missouri
- Benton County Map, Missouri
- Bollinger County Map, Missouri
- Boone County Map, Missouri
- Buchanan County Map, Missouri
- Butler County Map, Missouri
- Caldwell County Map, Missouri
- Callaway County Map, Missouri
- Camden County Map, Missouri
- Cape Girardeau County Map, Missouri
- Carroll County Map, Missouri
- Carter County Map, Missouri
- Cass County Map, Missouri
- Cedar County Map, Missouri
- Chariton County Map, Missouri
- Christian County Map, Missouri
- City Of St Louis County Map, Missouri
- Clark County Map, Missouri
- Clay County Map, Missouri
- Clinton County Map, Missouri
- Cole County Map, Missouri
- Cooper County Map, Missouri
- Crawford County Map, Missouri
- Dade County Map, Missouri
- Dallas County Map, Missouri
- Daviess County Map, Missouri
- Dekalb County Map, Missouri
- Dent County Map, Missouri
- Douglas County Map, Missouri
- Dunklin County Map, Missouri
- Franklin County Map, Missouri
- Gasconade County Map, Missouri
- Gentry County Map, Missouri
- Greene County Map, Missouri
- Grundy County Map, Missouri
- Harrison County Map, Missouri
- Henry County Map, Missouri
- Hickory County Map, Missouri
- Holt County Map, Missouri
- Howard County Map, Missouri
- Howell County Map, Missouri
- Iron County Map, Missouri
- Jackson County Map, Missouri
- Jasper County Map, Missouri
- Jefferson County Map, Missouri
- Johnson County Map, Missouri
- Knox County Map, Missouri
- Laclede County Map, Missouri
- Lafayette County Map, Missouri
- Lawrence County Map, Missouri
- Lewis County Map, Missouri
- Lincoln County Map, Missouri
- Linn County Map, Missouri
- Livingston County Map, Missouri
- Macon County Map, Missouri
- Madison County Map, Missouri
- Maries County Map, Missouri
- Marion County Map, Missouri
- Mcdonald County Map, Missouri
- Mercer County Map, Missouri
- Miller County Map, Missouri
- Mississippi County Map, Missouri
- Moniteau County Map, Missouri
- Monroe County Map, Missouri
- Montgomery County Map, Missouri
- Morgan County Map, Missouri
- New Madrid County Map, Missouri
- Newton County Map, Missouri
- Nodaway County Map, Missouri
- Oregon County Map, Missouri
- Osage County Map, Missouri
- Ozark County Map, Missouri
- Pemiscot County Map, Missouri
- Perry County Map, Missouri
- Pettis County Map, Missouri
- Phelps County Map, Missouri
- Pike County Map, Missouri
- Platte County Map, Missouri
- Polk County Map, Missouri
- Pulaski County Map, Missouri
- Putnam County Map, Missouri
- Ralls County Map, Missouri
- Randolph County Map, Missouri
- Ray County Map, Missouri
- Reynolds County Map, Missouri
- Ripley County Map, Missouri
- Saline County Map, Missouri
- Schuyler County Map, Missouri
- Scotland County Map, Missouri
- Scott County Map, Missouri
- Shannon County Map, Missouri
- Shelby County Map, Missouri
- St Charles County Map, Missouri
- St Clair County Map, Missouri
- St Francois County Map, Missouri
- St Louis County Map, Missouri
- Ste Genevieve County Map, Missouri
- Stoddard County Map, Missouri
- Stone County Map, Missouri
- Sullivan County Map, Missouri
- Taney County Map, Missouri
- Texas County Map, Missouri
- Vernon County Map, Missouri
- Warren County Map, Missouri
- Washington County Map, Missouri
- Wayne County Map, Missouri
- Webster County Map, Missouri
- Worth County Map, Missouri
- Wright County Map, Missouri
What are the 5 Biggest Counties in Missouri by Size?
In terms of size, the biggest counties in Missouri are Texas, Shannon, Howell, Franklin, and Nodaway counties.
What are the 5 Biggest Counties in Missouri by Population?
In terms of population (2020), the biggest counties in Missouri are Saint Louis, Jackson, Saint Charles, Saint Louis City, and Greene counties.
Which is the Smallest County in Missouri?
The smallest county in Missouri (in terms of population) is Worth County. Saint Louis City is the smallest county in terms of size.
What are the Oldest and Newest Counties in Missouri?
Sainte Genevieve, Saint Louis, Saint Charles, Cape Girardeau, and New Madrid are the oldest counties in Missouri, created in 1812. Saint Louis City is the newest county, created in 1876.
Which are the Richest and Poorest Counties in Missouri?
- St. Charles is the richest county in Missouri. Its median annual household income is US$84,978.
- Ozark is the poorest county in Missouri. Its median annual household income is US$31,947.
What are the top 5 Best Counties to Live in Missouri?
St. Louis County, Boone County, Platte County, St. Charles County, and Clay County are Missouri’s best counties to live in.