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County · code 29103

Knox CountyMissouri

Knox County is a county in Missouri with its seat in Edina. The county was created in 1843 and named after Henry Knox.

  • Founded1843
  • County seatEdina
  • Named forHenry Knox
  • Land area504 sq mi + 2.8 sq mi water
  • Population3,744 2020 Census
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Updated

ScotlandShelbyLewisAdairMacon Edina Census outline · seat marked

Where it is

Knox 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 · Knox highlighted

History

Formed in 1843 from Scotland County

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

Knox County was created from Scotland County on January 6, 1843, but was not initially fully organized and remained attached to Scotland County for civil and military purposes. The county became fully organized and was detached from Scotland County on February 14, 1845.

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

  1. 1843
    Knox County created Knox created from Scotland; Knox not fully organized, attached to Scotland "for civil and military purposes."
    from Scotland
    · Mo. Laws 1842-1843, pub., pp. 46-47
  2. 1845
    Changed Knox fully organized, detached from Scotland.
    Scotland
    · Mo. Laws 1844-1845, secs. 26-28/p. 34

Land and parcels

What the maps cover in Knox

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

Knox by the Census

Population
3,744 2020 Census count
Housing units
1,934 2020 Census count
Land area
504 square miles
Water area
2.8 square miles
People per sq mi
7 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

Knox 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 Knox 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 Knox County

When was Knox County founded?
Knox County was founded in 1843, formed from Scotland County, and named after Henry Knox.
What is the county seat of Knox County?
The county seat of Knox County is Edina.
Is there an online parcel map for Knox 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 Knox County's boundary or name changed?
Knox County was created in 1843 from Scotland County. Since then the Atlas of Historical County Boundaries records 1 later change, chiefly involving Scotland County.
Is my lot in a flood zone?
We do not have flood maps for Knox 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