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County · code 19117

Lucas CountyIowa

Lucas County is a county in Iowa with its seat in Chariton, formed in 1846.

  • Founded1846
  • County seatChariton
  • Named forRobert Lucas
  • Land area431 sq mi + 3.8 sq mi water
  • Population8,634 2020 Census
  • Parcels mapped12,535 checked 15 October 2026
Open the free map Click any parcel in Lucas County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

Wayne Chariton Census outline · seat marked

Where it is

Lucas on the map of Iowa

Iowa has 99 counties and county equivalents, each with its own records office. Shapes with a page are links.

Adair CountyAdams CountyAllamakee CountyAppanoose CountyAudubon CountyBenton CountyBlack Hawk CountyBoone CountyBremer CountyBuchanan CountyBuena Vista CountyButler CountyCalhoun CountyCarroll CountyCass CountyCedar CountyCerro Gordo CountyCherokee CountyChickasaw CountyClarke CountyClay CountyClayton CountyClinton CountyCrawford CountyDallas CountyDavis CountyDecatur CountyDelaware CountyDes Moines CountyDickinson CountyDubuque CountyEmmet CountyFayette CountyFloyd CountyFranklin CountyFremont CountyGreene CountyGrundy CountyGuthrie CountyHamilton CountyHancock CountyHardin CountyHarrison CountyHenry CountyHoward CountyHumboldt CountyIda CountyIowa CountyJackson CountyJasper CountyJefferson CountyJohnson CountyJones CountyKeokuk CountyKossuth CountyLee CountyLinn CountyLouisa CountyLyon CountyMadison CountyMahaska CountyMarion CountyMarshall CountyMills CountyMitchell CountyMonona CountyMonroe CountyMontgomery CountyMuscatine CountyO'Brien CountyOsceola CountyPage CountyPalo Alto CountyPlymouth CountyPocahontas CountyPolk CountyPottawattamie CountyPoweshiek CountyRinggold CountySac CountyScott CountyShelby CountySioux CountyStory CountyTama CountyTaylor CountyUnion CountyVan Buren CountyWapello CountyWarren CountyWashington CountyWayne CountyWebster CountyWinnebago CountyWinneshiek CountyWoodbury CountyWorth CountyWright CountyLucas County Lucas
Counties of Iowa · Lucas highlighted

History

Formed in 1846 from Kishkekosh County and Monroe County

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

Lucas County was created on January 13, 1846, by Iowa Territory from areas formerly attached to Kishkekosh (now Monroe) County. The county was named after Robert Lucas and became an Iowa county when the state was created from Iowa Territory on December 28, 1846. Lucas County lost some territory to Clarke County in 1848, and was fully organized on July 4, 1849.

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

  1. 1846
    Lucas County created Lucas created by Iowa Territory from Non-County Area 4 attached to Kishkekosh (now Monroe); Lucas not fully organized, not attached.
    from Kishkekoshfrom Monroe
    · Iowa Terr. Laws 1845-1846, ch. 82, secs. 2, 11/pp. 73-75
  2. 1846
    Became part of Iowa Lucas became an Iowa county when the state of Iowa was created from Iowa Territory. · U.S. Stat., vol. 9, ch. 1[1847]/p. 117
  3. 1848
    Lost territory Lucas lost to Clarke.
    to Clarke
    · Iowa Acts 1848-1849, ch. 9, secs. 1-2/pp. 332-333
  4. 1849
    Changed Lucas fully organized. · Iowa Acts 1848-1849, ch. 74, sec. 1/pp. 375-377

Land and parcels

What the maps cover in Lucas

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

Lucas by the Census

Population
8,634 2020 Census count
Housing units
4,058 2020 Census count
Land area
431 square miles
Water area
3.8 square miles
People per sq mi
20 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.

Inside a city or town, permits usually come from that city rather than the county.

Records

Permits

County government

See your own lot on these maps

Open Lucas 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 Lucas County

When was Lucas County founded?
Lucas County was founded in 1846, formed from Kishkekosh County and Monroe County, and named after Robert Lucas.
What is the county seat of Lucas County?
The county seat of Lucas County is Chariton.
Is there an online parcel map for Lucas County?
Yes. Iowa Department of Homeland Security and Emergency Management (statewide parcels, mirrored by the University of Iowa) publishes a parcel map of 12,535 parcels, rated fallback here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Lucas County's boundary or name changed?
Lucas County was created in 1846 from Kishkekosh County and Monroe County. Since then the Atlas of Historical County Boundaries records 3 later changes, chiefly involving Clarke County.
Is my lot in a flood zone?
We do not have flood maps for Lucas 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