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County · code 29137

Monroe CountyMissouri

Monroe County is a county in Missouri, founded in 1831, with its seat at Paris.

  • Founded1831
  • County seatParis
  • Named forJames Monroe
  • Land area648 sq mi + 23 sq mi water
  • Population8,666 2020 Census
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Updated

ShelbyAudrainRallsMarionRandolph Paris Census outline · seat marked

Where it is

Monroe 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 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 CountyShannon CountyShelby CountyStoddard CountyStone CountySullivan CountyTaney CountyTexas CountyVernon CountyWarren CountyWashington CountyWayne CountyWebster CountyWorth CountyWright CountySt. Louis cityMonroe County Monroe
Counties of Missouri · Monroe highlighted

History

Formed in 1831 from Ralls County

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

Monroe County was created from Ralls County and Non-County Area 10 on January 6, 1831. The county lost territory over the following years: Non-County Area 17 went to Audrain County in 1831, land went to Shelby County in 1843, and additional territory was lost to Marion and Audrain Counties in 1843.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries.

  1. 1831
    Monroe County created Monroe created from Ralls and Non-County Area 10. Non-County Area 17 attached to Monroe "for all civil, judicial, and military purposes."
    from Ralls
    · Mo. Laws 1830-1831, pub., ch. 15, secs. 1, 6/pp. 21-22
  2. 1831
    Lost territory Monroe lost attached Non-County Area 17 to creation of Audrain; Non-County Area 17 eliminated. Audrain not fully organized, part attached to Monroe "for all civil and military purposes."
    to Audrain
    · Mo. Laws 1830-1831, pub., ch. 13, secs. 1-2/p. 20
  3. 1836
    Changed Audrain fully organized, detached from Monroe.
    Audrain
    · Mo. Laws 1836-1837, pub., pp. 44-45
  4. 1843
    Lost territory Monroe lost to Shelby.
    to Shelby
    · Mo. Laws 1842-1843, pub., p. 47
  5. 1843
    Lost territory Monroe lost to Marion and Audrain.
    to Marionto Audrain
    · Mo. Laws 1842-1843, pub., p. 42

Land and parcels

What the maps cover in Monroe

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

Monroe by the Census

Population
8,666 2020 Census count
Housing units
4,466 2020 Census count
Land area
648 square miles
Water area
23 square miles
People per sq mi
13 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

Monroe 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 Monroe County

When was Monroe County founded?
Monroe County was founded in 1831, formed from Ralls County, and named after James Monroe.
What is the county seat of Monroe County?
The county seat of Monroe County is Paris.
Is there an online parcel map for Monroe County?
Not that we have found yet. Lot lines and owners of record are kept by the county assessor's office. When a public parcel map appears, it shows here.
Has Monroe County's boundary or name changed?
Monroe County was created in 1831 from Ralls County. Since then the Atlas of Historical County Boundaries records 4 later changes, chiefly involving Audrain County, Marion County and Shelby County.
Is my lot in a flood zone?
We do not have flood maps for Monroe 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