County Maps US

Missouri County Map

Missouri has 115 counties. That is 114 counties and 1 independent city, together home to 6,270,541 people.

Neighbouring areas are given different colours so their shared borders read clearly. These colours carry no data.

Boundaries from the 2025 Census cartographic boundary file, generalised so that no point moves by more than half a pixel at this width. Select any area to open its page.
Counties
115
5th most of the 51 states and DC
Population
6,270,541
18th largest
Land area
68,746
square miles
Density
91.2
people per square mile, computed

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025. Retrieved 30 August 2026.

Download this map

Free to use and redistribute. The boundaries are public-domain Census Bureau data; attribution to County Maps US is appreciated but not required.

Satellite view

Aerial imagery of Missouri with the state boundary drawn on top. County lines are not drawn here: at this scale they would bury the picture, and the map above already carries them.

Aerial view of Missouri from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 716 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

The extremes of Missouri

Most populous

St. Louis County

990,911

Least populous

Worth County

1,914

Largest by land area

Texas County

1,177 sq mi

Smallest by land area

St. Louis city

61.7 sq mi

Most densely populated

St. Louis city

4,507 per sq mi

Highest median household income

St. Charles County

$104,692

Which is the largest county in Missouri? The answer depends on whether you mean area or population.

The counties, by shape

Every one, drawn to its own scale so the small ones stay recognisable. Shape alone is not a size comparison; the table below carries the areas.

What the map does not say

The counties of Missouri are nowhere near the same size. Texas County covers 1,177 sq mi of land, 19.1 times the 61.7 sq mi of St. Louis city. People are spread even less evenly: St. Louis city packs 4,507 per sq mi while Worth County holds 7.2 per sq mi.

They were not drawn in one sitting either. St. Louis city dates to 1764, and the boundaries were still being redrawn when Worth County was organised in 1861, 97 years later. Founding years come from Wikidata and are worth checking against the county's own history before citing.

Water is part of the picture too: 9.2% of Stone County is water, the most in the state, which is why its land area and total area disagree. And 82 of the 115 counties here share their names with counties in other states, so searching by name alone can land in the wrong place; the A to Z index lists every duplicate.

All 115 counties of Missouri

Sortable on any column. This table doubles as the text alternative to the map above: every area is a link, in alphabetical order, whether or not the map renders.

The 115 counties of Missouri, with population, land area, density, median household income, county seat and FIPS code.
NamePopulationLand areaDensityMedian incomeSeatFIPS
Adair County25,684567.3 sq mi45.3 per sq mi$61,536Kirksville29001
Andrew County18,241432.6 sq mi42.2 per sq mi$75,625Savannah29003
Atchison County5,175547.3 sq mi9.5 per sq mi$58,750Rock Port29005
Audrain County24,528692.3 sq mi35.4 per sq mi$59,448Mexico29007
Barry County36,200778.1 sq mi46.5 per sq mi$58,346Cassville29009
Barton County11,795592 sq mi19.9 per sq mi$51,635Lamar29011
Bates County16,512836.7 sq mi19.7 per sq mi$60,733Butler29013
Benton County20,536704 sq mi29.2 per sq mi$52,567Warsaw29015
Bollinger County10,646617.9 sq mi17.2 per sq mi$63,814Marble Hill29017
Boone County191,746685.6 sq mi280 per sq mi$72,758Columbia29019
Buchanan County83,540408.2 sq mi205 per sq mi$62,158St. Joseph29021
Butler County41,904694.8 sq mi60.3 per sq mi$49,089Poplar Bluff29023
Caldwell County9,012426.4 sq mi21.1 per sq mi$64,806Kingston29025
Callaway County45,765834.6 sq mi54.8 per sq mi$74,176Fulton29027
Camden County44,047655.9 sq mi67.2 per sq mi$66,387Camdenton29029
Cape Girardeau County83,999578.5 sq mi145 per sq mi$68,464Jackson29031
Carroll County8,417694.6 sq mi12.1 per sq mi$62,154Carrollton29033
Carter County5,418507.4 sq mi10.7 per sq mi$50,000Van Buren29035
Cass County115,859696.6 sq mi166 per sq mi$87,535Harrisonville29037
Cedar County14,888474.5 sq mi31.4 per sq mi$48,181Stockton29039
Chariton County7,377751.2 sq mi9.8 per sq mi$71,520Keytesville29041
Christian County96,725562.6 sq mi172 per sq mi$83,437Ozark29043
Clark County6,475504.6 sq mi12.8 per sq mi$51,781Kahoka29045
Clay County265,032397.7 sq mi666 per sq mi$88,468Liberty29047
Clinton County21,661418.9 sq mi51.7 per sq mi$70,627Plattsburg29049
Cole County77,908391.5 sq mi199 per sq mi$74,876Jefferson City29051
Cooper County17,136564.7 sq mi30.3 per sq mi$70,625Boonville29053
Crawford County22,929742.5 sq mi30.9 per sq mi$57,629Steelville29055
Dade County7,804490 sq mi15.9 per sq mi$53,750Greenfield29057
Dallas County18,025541 sq mi33.3 per sq mi$53,464Buffalo29059
Daviess County8,558563.3 sq mi15.2 per sq mi$63,984Gallatin29061
DeKalb County9,795421.4 sq mi23.2 per sq mi$69,826Maysville29063
Dent County14,584752.8 sq mi19.4 per sq mi$56,312Salem29065
Douglas County12,342813.6 sq mi15.2 per sq mi$45,985Ava29067
Dunklin County26,855541.9 sq mi49.6 per sq mi$47,849Kennett29069
Franklin County108,090922.5 sq mi117 per sq mi$73,165Union29071
Gasconade County14,784519 sq mi28.5 per sq mi$64,232Hermann29073
Gentry County6,384491.4 sq mi13.0 per sq mi$55,848Albany29075
Greene County309,286675.3 sq mi458 per sq mi$61,479Springfield29077
Grundy County9,744435.3 sq mi22.4 per sq mi$51,975Trenton29079
Harrison County8,281722.5 sq mi11.5 per sq mi$54,367Bethany29081
Henry County22,671696.9 sq mi32.5 per sq mi$57,926Clinton29083
Hickory County9,044398.8 sq mi22.7 per sq mi$39,390Hermitage29085
Holt County4,200462.7 sq mi9.1 per sq mi$61,187Oregon29087
Howard County10,180463.8 sq mi21.9 per sq mi$65,938Fayette29089
Howell County40,798927.2 sq mi44.0 per sq mi$50,993West Plains29091
Iron County9,318550.3 sq mi16.9 per sq mi$48,850Ironton29093
Jackson County732,994604.5 sq mi1,213 per sq mi$68,577Independence29095
Jasper County127,428638.5 sq mi200 per sq mi$60,694Carthage29097
Jefferson County233,132656 sq mi355 per sq mi$82,851Hillsboro29099
Johnson County56,670829.3 sq mi68.3 per sq mi$67,272Warrensburg29101
Knox County3,728504 sq mi7.4 per sq mi$57,788Edina29103
Laclede County36,943764.7 sq mi48.3 per sq mi$53,282Lebanon29105
Lafayette County33,531628.3 sq mi53.4 per sq mi$80,612Lexington29107
Lawrence County39,401611.8 sq mi64.4 per sq mi$61,215Mount Vernon29109
Lewis County9,879505 sq mi19.6 per sq mi$59,934Monticello29111
Lincoln County66,676626.6 sq mi106 per sq mi$89,278Troy29113
Linn County11,815615.6 sq mi19.2 per sq mi$61,635Linneus29115
Livingston County14,708532.3 sq mi27.6 per sq mi$63,627Chillicothe29117
Macon County15,190801.2 sq mi19.0 per sq mi$62,357Macon29121
Madison County12,858494.4 sq mi26.0 per sq mi$54,434Fredericktown29123
Maries County8,397527 sq mi15.9 per sq mi$59,455Vienna29125
Marion County28,525436.9 sq mi65.3 per sq mi$62,903Palmyra29127
McDonald County23,992539.4 sq mi44.5 per sq mi$52,375Pineville29119
Mercer County3,404453.8 sq mi7.5 per sq mi$62,679Princeton29129
Miller County25,817592.6 sq mi43.6 per sq mi$56,736Tuscumbia29131
Mississippi County12,003411.6 sq mi29.2 per sq mi$48,160Charleston29133
Moniteau County15,428415 sq mi37.2 per sq mi$65,715California29135
Monroe County8,959647.6 sq mi13.8 per sq mi$54,516Paris29137
Montgomery County11,590535 sq mi21.7 per sq mi$65,500Montgomery City29139
Morgan County22,418597.6 sq mi37.5 per sq mi$53,412Versailles29141
New Madrid County15,086674.9 sq mi22.4 per sq mi$51,881New Madrid29143
Newton County62,263624.8 sq mi99.7 per sq mi$66,301Neosho29145
Nodaway County20,174877 sq mi23.0 per sq mi$59,315Maryville29147
Oregon County8,709789.8 sq mi11.0 per sq mi$43,069Alton29149
Osage County13,611606.6 sq mi22.4 per sq mi$76,681Linn29151
Ozark County9,172745 sq mi12.3 per sq mi$44,163Gainesville29153
Pemiscot County14,465492.6 sq mi29.4 per sq mi$40,089Caruthersville29155
Perry County19,093474.4 sq mi40.3 per sq mi$62,981Perryville29157
Pettis County44,254682.2 sq mi64.9 per sq mi$60,430Sedalia29159
Phelps County45,247671.8 sq mi67.4 per sq mi$58,396Rolla29161
Pike County17,955670.4 sq mi26.8 per sq mi$54,989Bowling Green29163
Platte County114,400419.8 sq mi272 per sq mi$96,227Platte City29165
Polk County33,604635.5 sq mi52.9 per sq mi$59,647Bolivar29167
Pulaski County54,442547.1 sq mi99.5 per sq mi$64,466Waynesville29169
Putnam County4,546517.3 sq mi8.8 per sq mi$63,510Unionville29171
Ralls County10,444469.8 sq mi22.2 per sq mi$65,388New London29173
Randolph County24,513482.7 sq mi50.8 per sq mi$53,033Huntsville29175
Ray County23,398569 sq mi41.1 per sq mi$74,573Richmond29177
Reynolds County5,992808.5 sq mi7.4 per sq mi$45,028Centerville29179
Ripley County10,717629.5 sq mi17.0 per sq mi$42,037Doniphan29181
Saline County23,265755.5 sq mi30.8 per sq mi$57,931Marshall29195
Schuyler County4,140307.3 sq mi13.5 per sq mi$61,205Lancaster29197
Scotland County4,796436.5 sq mi11.0 per sq mi$68,913Memphis29199
Scott County37,975420 sq mi90.4 per sq mi$62,782Benton29201
Shannon County7,2851,004 sq mi7.3 per sq mi$55,222Eminence29203
Shelby County5,870500.9 sq mi11.7 per sq mi$51,594Shelbyville29205
St. Charles County426,499560.3 sq mi761 per sq mi$104,692St. Charles29183
St. Clair County9,976675 sq mi14.8 per sq mi$53,043Osceola29185
St. Francois County67,809451.9 sq mi150 per sq mi$57,477Farmington29187
St. Louis city278,14461.7 sq mi4,507 per sq mi$56,160St. Louis city29510
St. Louis County990,911508.5 sq mi1,949 per sq mi$82,936Clayton29189
Ste. Genevieve County18,689499.2 sq mi37.4 per sq mi$66,339Ste. Genevieve29186
Stoddard County28,284823.1 sq mi34.4 per sq mi$57,957Bloomfield29207
Stone County32,503463.8 sq mi70.1 per sq mi$63,520Galena29209
Sullivan County5,738648 sq mi8.9 per sq mi$56,964Milan29211
Taney County57,001632.3 sq mi90.2 per sq mi$56,497Forsyth29213
Texas County25,9941,177 sq mi22.1 per sq mi$50,036Houston29215
Vernon County19,946826.4 sq mi24.1 per sq mi$52,230Nevada29217
Warren County39,016428.6 sq mi91.0 per sq mi$81,209Warrenton29219
Washington County23,810759.9 sq mi31.3 per sq mi$56,043Potosi29221
Wayne County10,782759.2 sq mi14.2 per sq mi$47,226Greenville29223
Webster County43,054592.6 sq mi72.7 per sq mi$71,155Marshfield29225
Worth County1,914266.6 sq mi7.2 per sq mi$47,847Grant City29227
Wright County19,671681.8 sq mi28.9 per sq mi$47,909Hartville29229

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

The ten most populous

  1. St. Louis County990,911
  2. Jackson County732,994
  3. St. Charles County426,499
  4. Greene County309,286
  5. St. Louis city278,144
  6. Clay County265,032
  7. Jefferson County233,132
  8. Boone County191,746
  9. Jasper County127,428
  10. Cass County115,859

Data on this page last rebuilt 30 August 2026. How these figures are produced.