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County · code 29121

Macon CountyMissouri

Macon County is a county in Missouri with its county seat in Macon. It was established on January 6, 1837.

  • Founded1837
  • County seatMacon
  • Named forNathaniel Macon
  • Land area801 sq mi + 11 sq mi water
  • Population15,209 2020 Census
  • Parcels mapped13,852 checked 14 October 2026
Open the free map Click any parcel in Macon County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

AdairRandolphShelbyCharitonKnoxLinn Macon Census outline · seat marked

Where it is

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

History

Formed in 1837 from Ralls County

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

Macon County was created from Ralls County in 1837 and named after Nathaniel Macon. In 1841, part of the county was lost to the creation of Adair County.

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

  1. 1837
    Macon County created Macon created from Ralls, Non-County Area 6, Non-County Area 10, and Non-County Area 19; Non-County Area 24 (created from Non-County Area 6 and 19) attached to Macon "for all civil and military purposes." Non-County Area 10 eliminated.
    from Ralls
    · Mo. Laws 1836-1837, pub., p. 51
  2. 1841
    Lost territory Macon lost part of attached Non-County Area 24 to creation of Adair.
    to Adair
    · Mo. Laws 1840-1841, pub., sec. 37/pp. 36-37
  3. 1841
    Changed Non-County Area 24 detached from Macon, attached to Adair "for civil and military purposes."
    Adair
    · Mo. Laws 1840-1841, pub., p. 40

Land and parcels

What the maps cover in Macon

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

Macon by the Census

Population
15,209 2020 Census count
Housing units
7,398 2020 Census count
Land area
801 square miles
Water area
11 square miles
People per sq mi
19 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

Who to ask before you build, dig or sell

Official county pages only. We link to them; we do not copy them, because they change.

Records

GIS and maps

County government

See your own lot on these maps

Open Macon 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 Macon County

When was Macon County founded?
Macon County was founded in 1837, formed from Ralls County, and named after Nathaniel Macon.
What is the county seat of Macon County?
The county seat of Macon County is Macon.
Is there an online parcel map for Macon County?
Yes. Macon County publishes a parcel map of 13,852 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Macon County's boundary or name changed?
Macon County was created in 1837 from Ralls County. Since then the Atlas of Historical County Boundaries records 2 later changes, chiefly involving Adair County.
Is my lot in a flood zone?
We do not have flood maps for Macon 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