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County · code 17093

Kendall CountyIllinois

Kendall County is located in Illinois with its county seat in Yorkville. It was established on February 19, 1841, created from parts of Kane and La Salle counties.

  • Founded1841
  • County seatYorkville
  • Named forAmos Kendall
  • Land area320 sq mi + 2 sq mi water
  • Population131,869 2020 Census
  • Parcels mapped58,839 checked 15 October 2026
Open the free map Click any parcel in Kendall County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

GrundyKaneDeKalbLaSalle Yorkville Census outline · seat marked

Where it is

Kendall on the map of Illinois

Illinois has 102 counties and county equivalents, each with its own records office. Shapes with a page are links.

Adams CountyAlexander CountyBond CountyBoone CountyBrown CountyBureau CountyCalhoun CountyCarroll CountyCass CountyChampaign CountyChristian CountyClark CountyClay CountyClinton CountyColes CountyCook CountyCrawford CountyCumberland CountyDeKalb CountyDe Witt CountyDouglas CountyDuPage CountyEdgar CountyEdwards CountyEffingham CountyFayette CountyFord CountyFranklin CountyFulton CountyGallatin CountyGreene CountyGrundy CountyHamilton CountyHancock CountyHardin CountyHenderson CountyHenry CountyIroquois CountyJackson CountyJasper CountyJefferson CountyJersey CountyJo Daviess CountyJohnson CountyKane CountyKankakee CountyKnox CountyLake CountyLaSalle CountyLawrence CountyLee CountyLivingston CountyLogan CountyMcDonough CountyMcHenry CountyMcLean CountyMacon CountyMacoupin CountyMadison CountyMarion CountyMarshall CountyMason CountyMassac CountyMenard CountyMercer CountyMonroe CountyMontgomery CountyMorgan CountyMoultrie CountyOgle CountyPeoria CountyPerry CountyPiatt CountyPike CountyPope CountyPulaski CountyPutnam CountyRandolph CountyRichland CountyRock Island CountySt. Clair CountySaline CountySangamon CountySchuyler CountyScott CountyShelby CountyStark CountyStephenson CountyTazewell CountyUnion CountyVermilion CountyWabash CountyWarren CountyWashington CountyWayne CountyWhite CountyWhiteside CountyWill CountyWilliamson CountyWinnebago CountyWoodford CountyKendall County Kendall
Counties of Illinois · Kendall highlighted

History

Formed in 1841 from Kane County and La Salle County

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

Kendall County was created on February 19, 1841, from Kane County and La Salle County. The county was named after Amos Kendall.

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

  1. 1841
    Kendall County created Kendall created from Kane and La Salle.
    from Kanefrom La Salle
    · Ill. Laws 1840-1841, pp. 75-77

Land and parcels

What the maps cover in Kendall

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

Kendall by the Census

Population
131,869 2020 Census count
Housing units
45,008 2020 Census count
Land area
320 square miles
Water area
2 square miles
People per sq mi
412 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

See your own lot on these maps

Open Kendall 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 Kendall County

When was Kendall County founded?
Kendall County was founded in 1841, formed from Kane County and La Salle County, and named after Amos Kendall.
What is the county seat of Kendall County?
The county seat of Kendall County is Yorkville.
Is there an online parcel map for Kendall County?
Yes. Kendall County publishes a parcel map of 58,839 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Kendall County's boundary or name changed?
Kendall County was created in 1841 from Kane County and La Salle County. The Atlas of Historical County Boundaries records no boundary change since.
Is my lot in a flood zone?
We do not have flood maps for Kendall 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