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County · code 29133

Mississippi CountyMissouri

Mississippi County is a county in Missouri with its seat in Charleston. It was created on December 19, 1842, from Scott County and named after the Mississippi River.

  • Founded1842
  • County seatCharleston
  • Named forMississippi River
  • Land area412 sq mi + 17 sq mi water
  • Population12,577 2020 Census
Open the free map Click any parcel in Mississippi County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

Fulton, KYCarlisle, KYHickman, KYScottAlexander, ILBallard, KYNew Madrid Charleston Census outline · seat marked

Where it is

Mississippi 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 · Mississippi highlighted

History

Formed in 1842 from Scott County

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

Mississippi County was created from Scott County in 1842 but was not fully organized at first, remaining attached to Scott County for all civil, criminal, and military purposes. The county was fully organized and detached from Scott County in 1845, though it underwent several boundary exchanges with Scott County and New Madrid County through 1868.

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

  1. 1842
    Mississippi County created Mississippi created from Scott; Mississippi not fully organized, attached to Scott "for all civil, criminal, and military purposes."
    from Scott
    · Mo. Laws 1842-1843, pub., p. 42
  2. 1845
    Changed Mississippi fully organized, detached from Scott.
    Scott
    · Mo. Laws 1844-1845, secs. 21, 41/pp. 33-34, 36
  3. 1849
    Lost territory Mississippi lost to Scott.
    to Scott
    · Mo. Laws 1848-1849, pub., p. 33
  4. 1851
    Gained territory Mississippi gained from Scott.
    from Scott
    · Mo. Laws 1850-1851, pub., p. 63
  5. 1857
    Changed Boundaries between Mississippi and Scott and between Mississippi and New Madrid defined (no change).
    ScottNew Madrid
    · Mo. Laws 1856-1857, loc., pp. 273, 439-440
  6. 1859
    Exchanged territory Mississippi exchanged with Scott.
    with Scott
    · Mo. Laws 1858-1859, p. 411
  7. 1868
    Exchanged territory Mississippi exchanged with New Madrid.
    with New Madrid
    · Mo. Laws 1868, adj. sess., gen., pp. 16-23

Land and parcels

What the maps cover in Mississippi

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

Mississippi by the Census

Population
12,577 2020 Census count
Housing units
5,283 2020 Census count
Land area
412 square miles
Water area
17 square miles
People per sq mi
31 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

County government

See your own lot on these maps

Open Mississippi 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 Mississippi County

When was Mississippi County founded?
Mississippi County was founded in 1842, formed from Scott County, and named after Mississippi River.
What is the county seat of Mississippi County?
The county seat of Mississippi County is Charleston.
Is there an online parcel map for Mississippi County?
Not that we have found yet. Lot lines and owners of record are kept by the assessor's office. When a public parcel map appears, it shows here.
Has Mississippi County's boundary or name changed?
Mississippi County was created in 1842 from Scott County. Since then the Atlas of Historical County Boundaries records 5 later changes, chiefly involving Scott County and New Madrid County.
Is my lot in a flood zone?
We do not have flood maps for Mississippi 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