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County · code 29123

Madison CountyMissouri

Madison County is in Missouri and has its county seat at Fredericktown. The county was created in 1819 from Cape Girardeau and Ste. Genevieve counties.

  • Founded1819
  • County seatFredericktown
  • Named forJames Madison
  • Land area494 sq mi + 3.2 sq mi water
  • Population12,626 2020 Census
  • Parcels mapped11,171 checked 15 October 2026
Open the free map Click any parcel in Madison County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

BollingerSt. FrancoisWayneIronPerry Fredericktown Census outline · seat marked

Where it is

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

History

Formed in 1819 from Cape Girardeau County and Ste. Genevieve County

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

Madison County was named after James Madison and was created in 1819 from Cape Girardeau and Ste. Genevieve counties. In 1843, Madison exchanged land with Shannon County. In 1849, the county lost land to Reynolds and Wayne counties, and in 1857, it lost more land to the creation of Iron County.

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

  1. 1819
    Madison County created Madison created from Cape Girardeau and Ste. Genevieve.
    from Cape Girardeaufrom Ste. Genevieve
    · Mo. Terr. Laws 1818-1819, ch. 229, secs. 1, 8/pp. 576-580
  2. 1843
    Exchanged territory Madison exchanged with Shannon, gained all of Non-County Area 14.
    with Shannon
    · Mo. Laws 1842-1843, pub., p. 41
  3. 1849
    Lost territory Madison lost to Reynolds and Wayne.
    to Reynoldsto Wayne
    · Mo. Laws 1848-1849, pub., pp. 34-35
  4. 1857
    Lost territory Madison lost to creation of Iron.
    to Iron
    · Mo. Laws 1856-1857, gen., pp. 52-55

Land and parcels

What the maps cover in Madison

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

Madison by the Census

Population
12,626 2020 Census count
Housing units
5,832 2020 Census count
Land area
494 square miles
Water area
3.2 square miles
People per sq mi
26 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

Madison 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

Open Madison County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.

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Questions

Common questions about Madison County

When was Madison County founded?
Madison County was founded in 1819, formed from Cape Girardeau County and Ste. Genevieve County, and named after James Madison.
What is the county seat of Madison County?
The county seat of Madison County is Fredericktown.
Is there an online parcel map for Madison County?
Yes. Madison County publishes a parcel map of 11,171 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Madison County's boundary or name changed?
Madison County was created in 1819 from Cape Girardeau County and Ste. Genevieve County. Since then the Atlas of Historical County Boundaries records 3 later changes, chiefly involving Iron County, Reynolds County and Shannon County.
Is my lot in a flood zone?
We do not have flood maps for Madison 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