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County · code 29203

Shannon CountyMissouri

Shannon County is a county in Missouri with its seat in Eminence, formed in 1837.

  • Founded1837
  • County seatEminence
  • Named forGeorge Shannon
  • Land area1,004 sq mi + 0.2 sq mi water
  • Population7,031 2020 Census
  • Parcels mapped10,452 checked 14 October 2026
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Updated

DentOregonReynoldsCarterTexasHowell Eminence Census outline · seat marked

Where it is

Shannon on the map of Missouri

Missouri has 115 counties and county equivalents, each with its own records office. Shapes with a page are links.

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 CountyMcDonald CountyMacon CountyMadison CountyMaries CountyMarion 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 CountySt. Charles CountySt. Clair CountySte. Genevieve CountySt. Francois CountySt. Louis CountySaline CountySchuyler CountyScotland CountyScott CountyShelby CountyStoddard CountyStone CountySullivan CountyTaney CountyTexas CountyVernon CountyWarren CountyWashington CountyWayne CountyWebster CountyWorth CountyWright CountySt. Louis cityShannon County Shannon
Counties of Missouri · Shannon highlighted

History

Formed in 1837 from Crawford County, Ripley County and Washington County

An old deed may name a county that no longer exists, or a boundary that has since moved.

Shannon County was created on January 14, 1837, from Crawford and Ripley counties. The county was named after George Shannon. Through the 19th century, Shannon County underwent multiple boundary adjustments, gaining and losing territory to neighboring counties including Dent, Wayne, Reynolds, and Carter, and exchanging land with Madison and Reynolds.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries; the 5 that matter most are shown first.

  1. 1837
    Shannon County created Shannon created from Crawford and Ripley; Shannon attached to Ripley and Washington "for all civil and military purposes."
    from Crawfordfrom Ripleyfrom Washington
    · Mo. Laws 1836-1837, pub., pp. 54-55
  2. 1843
    Lost territory Shannon lost to creation of Ashley (now Texas); Ashley not fully organized, part attached to Shannon "for all civil and military purposes."
    to Ashleyto Texas
    · Mo. Laws 1842-1843, pub., p. 35
  3. 1843
    Exchanged territory Shannon exchanged with Madison.
    with Madison
    · Mo. Laws 1842-1843, pub., p. 41
  4. 1845
    Lost territory Shannon lost to Wayne, and lost to creation of Reynolds.
    to Wayneto Reynolds
    · Mo. Laws 1844-1845, loc. and priv., p. 41
  5. 1845
    Gained territory Shannon gained from Texas.
    from Texas
    · Mo. Laws 1844-1845, loc. and priv., p. 49
Show all 14 changes (9 more)
  1. 1837
    Shannon County created Shannon created from Crawford and Ripley; Shannon attached to Ripley and Washington "for all civil and military purposes."
    from Crawfordfrom Ripleyfrom Washington
    · Mo. Laws 1836-1837, pub., pp. 54-55
  2. 1841
    Changed Shannon fully organized, detached from Ripley and Washington; Shannon boundaries defined (no change).
    RipleyWashington
    · Mo. Laws 1840-1841, pub., secs. 43-45/p. 37
  3. 1843
    Lost territory Shannon lost to creation of Ashley (now Texas); Ashley not fully organized, part attached to Shannon "for all civil and military purposes."
    to Ashleyto Texas
    · Mo. Laws 1842-1843, pub., p. 35
  4. 1843
    Exchanged territory Shannon exchanged with Madison.
    with Madison
    · Mo. Laws 1842-1843, pub., p. 41
  5. 1845
    Changed Texas fully organized, detached from Shannon.
    Texas
    · Mo. Laws 1844-1845, secs. 12-14/p. 32
  6. 1845
    Lost territory Shannon lost to Wayne, and lost to creation of Reynolds.
    to Wayneto Reynolds
    · Mo. Laws 1844-1845, loc. and priv., p. 41
  7. 1845
    Gained territory Shannon gained from Texas.
    from Texas
    · Mo. Laws 1844-1845, loc. and priv., p. 49
  8. 1851
    Lost territory Shannon lost to creation of Dent.
    to Dent
    · Mo. Laws 1850-1851, pub., pp. 183-186
  9. 1855
    Lost territory Shannon lost to Dent.
    to Dent
    · Mo. Laws Rev., 1854-1855, ch. 41, secs. 58, 93/pp. 476-477, 490
  10. 1859
    Gained territory Shannon gained from Ripley and lost to creation of Carter.
    from Ripleyfrom Carter
    · Mo. Laws 1858-1859, pp. 314-316
  11. 1859
    Gained territory Shannon gained from Oregon.
    from Oregon
    · Mo. Laws 1858-1859, p. 413
  12. 1868
    Exchanged territory Shannon exchanged with Reynolds, lost to Carter.
    with Reynoldswith Carter
    · Mo. Laws 1868, adj. sess., gen., pp. 16-23
  13. 1868
    Lost territory Shannon lost to Reynolds.
    to Reynolds
    · Mo. Laws 1868, adj. sess., gen., pp. 24-25
  14. 1872
    Lost territory Shannon lost to Reynolds.
    to Reynolds
    · Mo. Laws 1871-1872, adj. sess., gen., pp. 25-26

Land and parcels

What the maps cover in Shannon

Who publishes each layer, how good it is, and when we last checked.

Official
from the office that keeps the record
Good enough
a reliable statewide or national copy
Fallback
a guide only; check the official record
Missing
nothing public found yet

People and land

Shannon by the Census

Population
7,031 2020 Census count
Housing units
3,513 2020 Census count
Land area
1,004 square miles
Water area
0.2 square miles
People per sq mi
7 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Shannon County's official site

We have found the county's site but not its offices yet; start there.

County government

See your own lot on these maps

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Questions

Common questions about Shannon County

When was Shannon County founded?
Shannon County was founded in 1837, formed from Crawford County, Ripley County and Washington County, and named after George Shannon.
What is the county seat of Shannon County?
The county seat of Shannon County is Eminence.
Is there an online parcel map for Shannon County?
Yes. Shannon County publishes a parcel map of 10,452 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Shannon County's boundary or name changed?
Shannon County was created in 1837 from Crawford County, Ripley County and Washington County. Since then the Atlas of Historical County Boundaries records 12 later changes, chiefly involving Reynolds County, Texas County and Carter County.
Is my lot in a flood zone?
We do not have flood maps for Shannon County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby

Counties next door