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County · code 29041

Chariton CountyMissouri

Chariton County is a county in Missouri, with its seat at Keytesville, formed in 1821.

  • Founded1821
  • County seatKeytesville
  • Named forChariton River, Iowa and Missouri
  • Land area751 sq mi + 16 sq mi water
  • Population7,408 2020 Census
  • Parcels mapped11,908 checked 14 October 2026
Open the free map Click any parcel in Chariton County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

LinnSalineHowardRandolphMaconCarrollLivingston Keytesville Census outline · seat marked

Where it is

Chariton on the map of Missouri

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

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Counties of Missouri · Chariton highlighted

History

Formed in 1821 from Howard County and Pike County

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

Chariton County was created in 1821 from Howard and Pike counties and named after the Chariton River. The county's boundaries shifted through the nineteenth century: it lost territory to the creation of Livingston County in 1837 and to Linn County in 1845.

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

  1. 1821
    Chariton County created Chariton created from Howard and Pike; Non-County Area 6 attached to Chariton "for all civil, military, and judicial purposes."
    from Howardfrom Pike
    · Mo. Laws 1820-1821, ch. 14, secs. 1-5/pp. 21-26
  2. 1825
    Lost territory Chariton lost to Non-County Area 6; part of Non-County Area 7 detached from Ray and attached to Chariton. Attachment was "for all purposes, civil and military."
    to Ray
    · Mo. Laws Rev., 1825, ch.1, sec. 19/p. 238
  3. 1829
    Gained territory Chariton gained from Non-County Area 6. Non-County Area 6 detached from Chariton and attached to Randolph "for all civil and military purposes."
    from Randolph
    · Mo. Laws 1828-1829, ch. 29, secs. 1-2, 7/pp. 42-44, and ch. 30, sec. 1/p. 44
  4. 1837
    Lost territory Chariton lost to creation of Livingston.
    to Livingston
    · Mo. Laws 1836-1837, pub., pp. 50-51
  5. 1845
    Lost territory Chariton lost to Linn.
    to Linn
    · Mo. Laws 1844-1845, loc. and priv., p. 49

Land and parcels

What the maps cover in Chariton

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

Chariton by the Census

Population
7,408 2020 Census count
Housing units
3,792 2020 Census count
Land area
751 square miles
Water area
16 square miles
People per sq mi
10 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

Chariton 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 Chariton 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 Chariton County

When was Chariton County founded?
Chariton County was founded in 1821, formed from Howard County and Pike County, and named after Chariton River, Iowa and Missouri.
What is the county seat of Chariton County?
The county seat of Chariton County is Keytesville.
Is there an online parcel map for Chariton County?
Yes. Chariton County publishes a parcel map of 11,908 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Chariton County's boundary or name changed?
Chariton County was created in 1821 from Howard County and Pike County. Since then the Atlas of Historical County Boundaries records 4 later changes, chiefly involving Linn County, Livingston County and Randolph County.
Is my lot in a flood zone?
We do not have flood maps for Chariton 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