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Midwest county atlas

Missouri county map

Explore all 115 counties and an independent city. Select a county to see its map, or download a copy for your next project.

2025 Census boundaries115 mapped unitsCapital: Jefferson City
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Boundary map 100%
Labelled map of Missouri counties and an independent city Adair CountyAndrew CountyAtchison CountyAudrain CountyBarry CountyBarton CountyBates CountyBenton CountyBollinger CountyBoone CountyBuchanan CountyButler CountyCaldwell CountyCallaway CountyCamden CountyCape Girardeau CountyCarroll CountyCarter CountyCass CountyCedar CountyChariton CountyChristian CountyClark CountyClay CountyClinton CountyCole CountyCooper CountyCrawford CountyDade CountyDallas CountyDaviess CountyDeKalb CountyDent CountyDouglas CountyDunklin CountyFranklin CountyGasconade CountyGentry CountyGreene CountyGrundy CountyHarrison CountyHenry CountyHickory CountyHolt CountyHoward CountyHowell CountyIron CountyJackson CountyJasper CountyJefferson CountyJohnson CountyKnox CountyLaclede CountyLafayette CountyLawrence CountyLewis CountyLincoln CountyLinn CountyLivingston CountyMacon CountyMadison CountyMaries CountyMarion CountyMcDonald CountyMercer CountyMiller CountyMississippi CountyMoniteau CountyMonroe CountyMontgomery CountyMorgan CountyNew Madrid CountyNewton CountyNodaway CountyOregon CountyOsage CountyOzark CountyPemiscot CountyPerry CountyPettis CountyPhelps CountyPike CountyPlatte CountyPolk CountyPulaski CountyPutnam CountyRalls CountyRandolph CountyRay CountyReynolds CountyRipley CountySaline CountySchuyler CountyScotland CountyScott CountyShannon CountyShelby CountySt. Charles CountySt. Clair CountySt. Francois CountySt. Louis citySt. Louis CountySte. Genevieve CountyStoddard CountyStone CountySullivan CountyTaney CountyTexas CountyVernon CountyWarren CountyWashington CountyWayne CountyWebster CountyWorth CountyWright County
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2025 U.S. Census boundaries. Zoom to reveal more names. Drag to pan when zoomed; use arrow keys, + and − with the map focused.

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SVG

SVG is editable vector artwork. PNG is a high-resolution image. PDF uses landscape Letter pages, with a separate key when needed.

Downloads contain the complete boundary map, independent of zoom. Crowded names use a numbered key. Numbered quiz maps use the county list / answer key (CSV). Boundary data (GeoJSON) · Reuse with source credit.

Roads, terrain & aerial imagery

Explore Missouri with a county boundary overlay. Choose a view to load the interactive map.

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Street names, terrain, or aerial photography with the county boundary in view.

Backgrounds load from OpenStreetMap or USGS only when selected. Imagery dates and detail vary by location.

Map scope: Use the boundary map for names and shapes, or the interactive background viewer for roads, terrain, and aerial imagery. County boundaries do not identify parcels or ZIP codes.

Missouri county geography overview

Missouri has 115 counties and an independent city, which places it 5th among the 50 state and District of Columbia maps in this atlas when ordered by number of county-level units. Their combined 68,746.2 square miles of land place the state 18th by mapped land area.

The average county-level area is 598 square miles, while the median is 592 square miles. The median is often the better description of a typical unit because one or two very large areas can pull the average upward. The five largest units together account for about 7% of the state’s mapped land area.

115county-level units
592 sq mimedian land area
1,177.3 sq milargest unit
1%share of mapped area that is water

Largest and smallest Missouri counties and an independent city

Texas County is the largest county-level unit by land area at 1,177.3 square miles. It represents about 2% of all mapped land in Missouri. At the other end of the range, St. Louis city has 61.7 square miles of land.

Largest by land area

  1. Texas County1,177.3 sq mi
  2. Shannon County1,003.8 sq mi
  3. Howell County927.2 sq mi
  4. Franklin County922.5 sq mi
  5. Nodaway County877 sq mi

Smallest by land area

  1. St. Louis city61.7 sq mi
  2. Worth County266.6 sq mi
  3. Schuyler County307.3 sq mi
  4. Cole County391.5 sq mi
  5. Clay County397.7 sq mi

Rankings use land area rather than total area. This avoids making coastal or lake counties appear larger solely because their boundaries include extensive water.

Alphabetical list of Missouri counties and an independent city

The table is alphabetical, so it works as a name and FIPS-code reference rather than an area ranking. Every identifier begins with the Missouri state FIPS prefix 29. Land and water figures are rounded to one decimal place.

115 county-level areas

Download county data / numbered map key (CSV)
No.NameFIPS codeLand areaWater area
1Adair County29001567.3 sq mi2.1 sq mi
2Andrew County29003432.6 sq mi3.7 sq mi
3Atchison County29005547.3 sq mi2.8 sq mi
4Audrain County29007692.2 sq mi4.6 sq mi
5Barry County29009778.1 sq mi12.7 sq mi
6Barton County29011592 sq mi4.7 sq mi
7Bates County29013836.7 sq mi14.7 sq mi
8Benton County29015704 sq mi48.5 sq mi
9Bollinger County29017617.9 sq mi3.3 sq mi
10Boone County29019685.6 sq mi5.5 sq mi
11Buchanan County29021408.2 sq mi6.9 sq mi
12Butler County29023694.8 sq mi4.3 sq mi
13Caldwell County29025426.4 sq mi3.2 sq mi
14Callaway County29027834.6 sq mi12.8 sq mi
15Camden County29029655.9 sq mi52.7 sq mi
16Cape Girardeau County29031578.5 sq mi7.8 sq mi
17Carroll County29033694.6 sq mi6.8 sq mi
18Carter County29035507.4 sq mi1.7 sq mi
19Cass County29037696.6 sq mi5.8 sq mi
20Cedar County29039474.5 sq mi24.2 sq mi
21Chariton County29041751.2 sq mi15.6 sq mi
22Christian County29043562.6 sq mi1.2 sq mi
23Clark County29045504.6 sq mi7.2 sq mi
24Clay County29047397.7 sq mi11 sq mi
25Clinton County29049418.9 sq mi4.5 sq mi
26Cole County29051391.5 sq mi7.4 sq mi
27Cooper County29053564.7 sq mi4.4 sq mi
28Crawford County29055742.5 sq mi1.3 sq mi
29Dade County29057490 sq mi16.2 sq mi
30Dallas County29059541 sq mi1.9 sq mi
31Daviess County29061563.3 sq mi5.8 sq mi
32DeKalb County29063421.4 sq mi4.5 sq mi
33Dent County29065752.8 sq mi1.7 sq mi
34Douglas County29067813.6 sq mi1 sq mi
35Dunklin County29069541.9 sq mi5.3 sq mi
36Franklin County29071922.5 sq mi8.1 sq mi
37Gasconade County29073519 sq mi7 sq mi
38Gentry County29075491.4 sq mi0.3 sq mi
39Greene County29077675.3 sq mi2.6 sq mi
40Grundy County29079435.3 sq mi2.7 sq mi
41Harrison County29081722.5 sq mi3.9 sq mi
42Henry County29083696.9 sq mi35.4 sq mi
43Hickory County29085398.8 sq mi12.9 sq mi
44Holt County29087462.7 sq mi7.7 sq mi
45Howard County29089463.8 sq mi7.7 sq mi
46Howell County29091927.2 sq mi1.1 sq mi
47Iron County29093550.3 sq mi1.8 sq mi
48Jackson County29095604.5 sq mi11.8 sq mi
49Jasper County29097638.5 sq mi2.8 sq mi
50Jefferson County29099656 sq mi7.8 sq mi
51Johnson County29101829.3 sq mi3.9 sq mi
52Knox County29103504 sq mi2.8 sq mi
53Laclede County29105764.7 sq mi3.4 sq mi
54Lafayette County29107628.3 sq mi10.4 sq mi
55Lawrence County29109611.8 sq mi1.6 sq mi
56Lewis County29111505 sq mi5.8 sq mi
57Lincoln County29113626.6 sq mi13.9 sq mi
58Linn County29115615.6 sq mi5.8 sq mi
59Livingston County29117532.3 sq mi6.3 sq mi
60Macon County29121801.2 sq mi11.2 sq mi
61Madison County29123494.4 sq mi3.2 sq mi
62Maries County29125527 sq mi2.9 sq mi
63Marion County29127436.9 sq mi7.4 sq mi
64McDonald County29119539.4 sq mi0.2 sq mi
65Mercer County29129453.8 sq mi1.3 sq mi
66Miller County29131592.6 sq mi7.4 sq mi
67Mississippi County29133411.6 sq mi17.2 sq mi
68Moniteau County29135415 sq mi3.8 sq mi
69Monroe County29137647.6 sq mi22.5 sq mi
70Montgomery County29139535 sq mi5.4 sq mi
71Morgan County29141597.6 sq mi16.4 sq mi
72New Madrid County29143674.9 sq mi21.7 sq mi
73Newton County29145624.8 sq mi1.8 sq mi
74Nodaway County29147877 sq mi0.9 sq mi
75Oregon County29149789.8 sq mi1.7 sq mi
76Osage County29151606.6 sq mi6.8 sq mi
77Ozark County29153745 sq mi10.3 sq mi
78Pemiscot County29155492.6 sq mi20.8 sq mi
79Perry County29157474.4 sq mi9.8 sq mi
80Pettis County29159682.2 sq mi4 sq mi
81Phelps County29161671.8 sq mi2.5 sq mi
82Pike County29163670.4 sq mi14.3 sq mi
83Platte County29165419.8 sq mi6.5 sq mi
84Polk County29167635.5 sq mi6.9 sq mi
85Pulaski County29169547.1 sq mi4.4 sq mi
86Putnam County29171517.3 sq mi2.3 sq mi
87Ralls County29173469.8 sq mi14 sq mi
88Randolph County29175482.7 sq mi5.1 sq mi
89Ray County29177569 sq mi5.2 sq mi
90Reynolds County29179808.5 sq mi5.9 sq mi
91Ripley County29181629.5 sq mi2.1 sq mi
92Saline County29195755.5 sq mi11.4 sq mi
93Schuyler County29197307.3 sq mi0.9 sq mi
94Scotland County29199436.5 sq mi2.8 sq mi
95Scott County29201420 sq mi5.9 sq mi
96Shannon County292031,003.8 sq mi0.2 sq mi
97Shelby County29205500.9 sq mi1.5 sq mi
98St. Charles County29183560.3 sq mi32.1 sq mi
99St. Clair County29185675 sq mi27.1 sq mi
100St. Francois County29187451.9 sq mi2.8 sq mi
101St. Louis city2951061.7 sq mi4.5 sq mi
102St. Louis County29189508.5 sq mi15.4 sq mi
103Ste. Genevieve County29186499.2 sq mi7.6 sq mi
104Stoddard County29207823.1 sq mi5.8 sq mi
105Stone County29209463.8 sq mi46.8 sq mi
106Sullivan County29211648 sq mi3.5 sq mi
107Taney County29213632.3 sq mi19.3 sq mi
108Texas County292151,177.3 sq mi2 sq mi
109Vernon County29217826.4 sq mi10.4 sq mi
110Warren County29219428.6 sq mi9.1 sq mi
111Washington County29221759.9 sq mi2.6 sq mi
112Wayne County29223759.2 sq mi14.9 sq mi
113Webster County29225592.6 sq mi1.2 sq mi
114Worth County29227266.6 sq mi0.2 sq mi
115Wright County29229681.8 sq mi1.4 sq mi

How to read and use this map

County lines are administrative boundaries, not postal routes. A mailing address can use a city name associated with a neighboring area, and ZIP codes can cross county lines. When you need to identify a county for an address, confirm it with an official geocoder or local government source.

For classroom or planning use, download a PDF from the controls above. Labelled exports use numbered callouts for crowded areas; numbered quiz maps match the alphabetical county list. SVG files keep the boundary lines sharp at larger paper sizes.

Frequently asked questions

How many counties and an independent city are in Missouri?

Missouri has 115 counties and an independent city in the U.S. Census Bureau’s 2025 cartographic boundary file.

Can I print this Missouri county map?

Yes. Choose Download / print and select PDF for a landscape Letter page, PNG for an image, or SVG for editable vector artwork. Because the map is SVG, its boundary lines stay sharp when scaled.

What is the largest county-level area in Missouri?

Texas County is the largest by land area in this dataset at 1,177.3 square miles. This is an area ranking, not a population ranking.

What is the smallest county-level area in Missouri?

St. Louis city is the smallest by land area in this dataset at 61.7 square miles.

Are these legal survey boundaries?

No. This is a generalized reference map. Property, parcel, election, and legal boundary questions should be checked with the relevant state or local agency.

Map source

U.S. Census Bureau, 2025 Cartographic Boundary File, Counties, 1:5,000,000. Land and water area fields are supplied in the same file and converted from square meters to square miles. Accessed September 27, 2026.