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County · code 19111

Lee CountyIowa

Lee County is a county in Iowa with a land area of 517.6 square miles and its county seat shared between Fort Madison and Keokuk. The county was created on December 7, 1836, from Des Moines County and is named after Marsh, Delevan & Lee, Albert Miller Lea, and Robert E. Lee.

  • Founded1836
  • County seatFort Madison and Keokuk
  • Named forMarsh, Delevan & Lee, Albert Miller Lea and Robert E. Lee
  • Land area518 sq mi + 21 sq mi water
  • Population33,555 2020 Census
  • Parcels mapped30,658 checked 15 October 2026
Open the free map Click any parcel in Lee County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

Clark, MOHenryHancock, ILDes MoinesVan BurenHenderson, IL Fort Madison and Keokuk Census outline · seat marked

Where it is

Lee on the map of Iowa

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

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Counties of Iowa · Lee highlighted

History

Formed in 1836 from Des Moines County

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

Lee County was created by Wisconsin Territory from Des Moines County on December 7, 1836. On July 3, 1838, Lee County became a county in Iowa Territory when Iowa Territory was created from Wisconsin Territory. The county underwent several boundary adjustments with neighboring counties, including exchanges with Des Moines County and gains from Henry County.

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

  1. 1836
    Lee County created Lee created by Wisconsin Territory from Des Moines.
    from Des Moines
    · Wis. Terr. Laws 1836, no. 21, sec. 1/pp. 76-78
  2. 1838
    Gained territory Lee gained from Henry, exchanged with Des Moines.
    from Henryfrom Des Moines
    · Wis. Terr. Laws 1837, no. 67, secs. 1-7/pp. 381-384
  3. 1838
    Became part of Iowa Lee became an Iowa Territory county when Iowa Territory was created from Wisconsin Territory. · U.S. Stat., vol. 5, ch. 96[1838]/pp. 235-241
  4. 1839
    Exchanged territory Lee exchanged with Des Moines.
    with Des Moines
    · Iowa Terr. Laws 1838-1839, pp. 94-95
  5. 1844
    Changed Legislature authorized creation of Madison (proposed) from Lee, dependent on local referendum that failed; county was never created.
    Madison
    · History of Lee, 448; Iowa Terr. Laws 1843-1844, ch. 124, secs. 1, 9/pp. 142-144; Roberts and Moorhead, 1:55-59

Land and parcels

What the maps cover in Lee

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

Lee by the Census

Population
33,555 2020 Census count
Housing units
15,858 2020 Census count
Land area
518 square miles
Water area
21 square miles
People per sq mi
65 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

Lee 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 Lee 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 Lee County

When was Lee County founded?
Lee County was founded in 1836, formed from Des Moines County, and named after Marsh, Delevan & Lee, Albert Miller Lea and Robert E. Lee.
What is the county seat of Lee County?
The county seat of Lee County is Fort Madison and Keokuk.
Is there an online parcel map for Lee County?
Yes. A public source publishes a parcel map of 30,658 parcels, rated fallback here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Lee County's boundary or name changed?
Lee County was created in 1836 from Des Moines County. Since then the Atlas of Historical County Boundaries records 3 later changes, chiefly involving Des Moines County and Henry County.
Is my lot in a flood zone?
We do not have flood maps for Lee 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