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County · code 21143

Lyon CountyKentucky

Lyon County is a county in Kentucky with its seat in Eddyville. The county was formed on April 1, 1854.

  • Founded1854
  • County seatEddyville
  • Named forChittenden Lyon
  • Land area214 sq mi + 43 sq mi water
  • Population8,680 2020 Census
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Updated

CaldwellMarshallTriggLivingstonCrittenden Eddyville Census outline · seat marked

Where it is

Lyon on the map of Kentucky

Kentucky has 120 counties and county equivalents, each with its own records office. Shapes with a page are links.

Adair CountyAllen CountyAnderson CountyBallard CountyBarren CountyBath CountyBell CountyBoone CountyBourbon CountyBoyd CountyBoyle CountyBracken CountyBreathitt CountyBreckinridge CountyBullitt CountyButler CountyCaldwell CountyCalloway CountyCampbell CountyCarlisle CountyCarroll CountyCarter CountyCasey CountyChristian CountyClark CountyClay CountyClinton CountyCrittenden CountyCumberland CountyDaviess CountyEdmonson CountyElliott CountyEstill CountyFayette CountyFleming CountyFloyd CountyFranklin CountyFulton CountyGallatin CountyGarrard CountyGrant CountyGraves CountyGrayson CountyGreen CountyGreenup CountyHancock CountyHardin CountyHarlan CountyHarrison CountyHart CountyHenderson CountyHenry CountyHickman CountyHopkins CountyJackson CountyJefferson CountyJessamine CountyJohnson CountyKenton CountyKnott CountyKnox CountyLarue CountyLaurel CountyLawrence CountyLee CountyLeslie CountyLetcher CountyLewis CountyLincoln CountyLivingston CountyLogan CountyMcCracken CountyMcCreary CountyMcLean CountyMadison CountyMagoffin CountyMarion CountyMarshall CountyMartin CountyMason CountyMeade CountyMenifee CountyMercer CountyMetcalfe CountyMonroe CountyMontgomery CountyMorgan CountyMuhlenberg CountyNelson CountyNicholas CountyOhio CountyOldham CountyOwen CountyOwsley CountyPendleton CountyPerry CountyPike CountyPowell CountyPulaski CountyRobertson CountyRockcastle CountyRowan CountyRussell CountyScott CountyShelby CountySimpson CountySpencer CountyTaylor CountyTodd CountyTrigg CountyTrimble CountyUnion CountyWarren CountyWashington CountyWayne CountyWebster CountyWhitley CountyWolfe CountyWoodford CountyLyon County Lyon
Counties of Kentucky · Lyon highlighted

History

Formed in 1854 from Caldwell County

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

Lyon County was created from Caldwell County on April 1, 1854, and named after Chittenden Lyon. On January 20, 1863, Lyon County lost territory to Caldwell County.

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

  1. 1854
    Lyon County created Lyon created from Caldwell.
    from Caldwell
    · Ky. Acts 1853-1854, vol. 1, ch. 32, sec. 1/pp. 2-5, and ch. 471, sec. 9/pp. 68-69
  2. 1863
    Lost territory Lyon lost to Caldwell.
    to Caldwell
    · Ky. Acts 1863, Jan. adj. sess., ch. 701, sec. 1/p. 404

Land and parcels

What the maps cover in Lyon

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

Lyon by the Census

Population
8,680 2020 Census count
Housing units
4,780 2020 Census count
Land area
214 square miles
Water area
43 square miles
People per sq mi
41 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

Lyon 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

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Questions

Common questions about Lyon County

When was Lyon County founded?
Lyon County was founded in 1854, formed from Caldwell County, and named after Chittenden Lyon.
What is the county seat of Lyon County?
The county seat of Lyon County is Eddyville.
Is there an online parcel map for Lyon 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 Lyon County's boundary or name changed?
Lyon County was created in 1854 from Caldwell County. Since then the Atlas of Historical County Boundaries records 1 later change, chiefly involving Caldwell County.
Is my lot in a flood zone?
We do not have flood maps for Lyon 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