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Where am ILOCATED

Kendall County, Illinois

Kendall County, Illinois, has 145,470 residents (July 2025 estimate). Its county seat is Yorkville. It uses Central Time and covers 320 sq mi (829 km²) of land.

Chicago
Kendall County in Illinois
JolietPlainfieldOswegoYorkville
Kendall County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
145,470
Land area
320 sq mi (829 km²)
County seat or government
Yorkville
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$111,601 ± $3,257
Median home value
$322,400 ± $5,720
Median rent, with utilities
$1,781 ± $76
Homes lived in by their owners
84% ± 1.7 points
County type
County
Metro or micro area
Chicago-Naperville-Elgin, IL-IN metro areaCentral county
Water area
1.98 sq mi (5.12 km²)
State
Illinois
County code (FIPS)
17093
Coordinates (central point)
41.588140, -88.430626
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Kendall County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 6050650,038 people
  2. 6058647,834 people
  3. 6054343,047 people
  4. 6050439,358 people
  5. 6053830,514 people
  6. 6056028,795 people
  7. 6054427,306 people
  8. 6043127,138 people
  9. 6058525,960 people
  10. 6045020,783 people
  11. 6050316,789 people
  12. 6044716,102 people
All 19
  1. 6054514,392 people
  2. 6055412,081 people
  3. 6054811,721 people
  4. 605413,342 people
  5. 605121,090 people
  6. 60537726 people
  7. 6053662 people

19 ZIP Code areas overlap Kendall County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Kendall County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Kendall County, largest first

  1. Oswego Township58,023 people
  2. Bristol Township33,956 people
  3. Little Rock Township14,609 people
  4. Na-Au-Say Township11,001 people
  5. Kendall Township9,269 people
  6. Seward Township6,732 people
  7. Big Grove Township1,730 people
  8. Fox Township1,575 people
  9. Lisbon Township780 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Illinois, by county

School districts in Kendall County, largest first

  1. Plainfield School District 202128,402 people
  2. Oswego Community Unit School District 30884,549 people
  3. Minooka Community High School District 11144,775 people
  4. Yorkville Community Unit School District 11536,238 people
  5. Minooka Community Consolidated School District 20131,134 people
  6. Morris Community High School District 10119,472 people
  7. Sandwich Community Unit School District 43013,374 people
  8. Plano Community Unit School District 8812,778 people
  9. Saratoga Community Consolidated School District 60C6,533 people
  10. Hinckley-Big Rock Community Unit School District 4295,294 people
  11. Newark Community High School District 183,625 people
  12. Newark Community Consolidated School District 662,374 people
All 13
  1. Lisbon Community Consolidated School District 901,181 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Aurora, Illinois (city)179,898 people
  2. Joliet, Illinois (city)150,445 people
  3. Plainfield, Illinois (village)46,708 people
  4. Oswego, Illinois (village)36,375 people
  5. Yorkville, Illinois (city)23,617 people
  6. Montgomery, Illinois (village)21,515 people
  7. Shorewood, Illinois (village)18,343 people
  8. Minooka, Illinois (village)12,891 people
  9. Plano, Illinois (city)12,203 people
  10. Boulder Hill, Illinois (CDP)8,989 people
  11. Sandwich, Illinois (city)7,219 people
  12. Newark, Illinois (village)1,138 people
All 16
  1. Millington, Illinois (village)729 people
  2. Lisbon, Illinois (village)373 people
  3. Millbrook, Illinois (village)243 people
  4. Plattville, Illinois (village)225 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Grundy County, Illinois20 mi south
  2. Kane County, Illinois24 mi north
  3. Will County, Illinois25 mi east
  4. DeKalb County, Illinois27 mi northwest
  5. LaSalle County, Illinois29 mi southwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.