Population516,522 (2020 Census)
Fox River Communities Connect Past and Present
Kane County, IllinoisGeneva is the county seat, while Aurora, Elgin and St. Charles form part of a larger network of Fox River communities west of Chicago. This guide brings together a starting point for county information, public services and local connections. Begin with Geneva, then use the resource links to plan the details of a visit or an everyday errand. Check directly with each provider for current hours, access and service availability before setting out.
Kane County at a Glance
Population516,522 (2020 Census)
County SeatGeneva
Largest MunicipalityAurora
Established1836
ZIP Codes36 ZIP codes wholly or partly within the county (checked October 4, 2026)
Total Area524.2 sq mi (land and water; 2020 Census geography)
Major RoutesInterstates 88 and 90; U.S. Routes 20 and 30; Illinois Routes 25, 31, 38, 47, 56, 64 and 72
Area Codes224 / 331 / 630 / 847 (common local area codes)
Meet Your County Advertisers
Local Connections for Everyday Needs
Explore Prairie State Water Systems Inc for water well systems.
Discover Kane County
Kane County
The county was established in 1836 and named for Elias Kane. Its development brought river settlements, rail connections and expanding metropolitan communities into the same county. Today, Geneva remains the county seat, while Aurora is its largest municipality. The 2020 Census counted 516,522 residents across the county. Its towns and surrounding countryside offer different ways to understand the same place: through public buildings, transportation routes and the communities that connect them. Local records and historical collections provide a starting point for exploring how those connections changed over time.
Life in Kane County extends beyond a single town center. Fox River towns and metropolitan connections are part of the local setting, alongside the routine needs of households, schools and businesses. Use county offices for the services they administer and contact municipal or township offices when a question concerns a specific address. Planning around the actual destination helps make visits, appointments and local errands more practical, especially when travel crosses town or county boundaries.
What Shapes Us
Local Heritage
Established in 1836, Kane County has a history recorded in its communities and public institutions. Start with local collections to explore specific people, buildings and events.
Landscape and Connections
Fox River towns and metropolitan connections help distinguish Kane County. Its county seat, Geneva, provides a useful starting point for understanding how nearby communities connect across the area.
Everyday Community
County and local offices connect residents with practical services. Follow the linked providers for details specific to your destination, address and purpose in Kane County.
Explore the towns, follow the stories, make local connections.
A Look Around
Scenes from Kane County
Places and details that tell a local story.
Shaw Local
Kane County property transfers: Oct. 5 to 11
Read the full story at Shaw Local.
Read the Story Oct 18, 2026 • Local news
Around Kane County
Stories from every corner of Kane County.
Kane County property transfers: Oct. 5 to 11
Read the full story at Shaw Local.
Oct 18, 2026 • Local news
2026 IHSA football playoff pairings: Opening-round information for Kane County teams, and teams with byes
Read the full story at Shaw Local.
Oct 18, 2026 • Local news
Kane County: What were the best deals for residential properties sold the week of Oct. 5?
Read the full story at Shaw Local.
Oct 17, 2026 • Local news
Your guide to the November 2026 election in Kane County
Read the full story at Shaw Local.
Oct 17, 2026 • Local news
Keep These Businesses in Mind
Start with a Direct Conversation
Contact Prairie State Water Systems Inc directly to ask about current options, availability and the services you need.
County Resources
Find the Right Local Connection
Start with the responsible public agency or service provider. Statewide links are labeled so you can locate the office that serves your address.
Government
County & Local Resources
Supervisor of Assessments
Property assessments, exemptions and assessment office information.
Phone (630) 208-3818
Schools
County & Local Resources
Hospitals and Health
County & Local Resources
Public Safety
County & Local Resources
Illinois State Police
Statewide or federal resource; select the office or service for your address.
Illinois State Police contacts
Find the appropriate State Police contact; call 911 for emergencies.
FBI Internet Crime Complaint Center
Report cyber-enabled crime through the federal complaint portal; emergencies require 911.
Emergency Services
County & Local Resources
Illinois Emergency Management Agency and Office of Homeland Security
Statewide or federal resource; select the office or service for your address.
National Weather Service
Statewide or federal resource; select the office or service for your address.
State Parks
County & Local Resources
Chain O'Lakes State Park
Spring Grove — regional option in McHenry County. Check facilities and access notices.
Moraine Hills State Park
McHenry — regional option in McHenry County. Check facilities and access notices.
William W. Powers Conservation Area
Chicago — regional option in Cook County. Check facilities and access notices.
Illinois Beach State Park
Zion — regional option in Lake County. Check facilities and access notices.
Volo Bog State Natural Area
Ingleside — regional option in Lake County. Check facilities and access notices.
Trails
County & Local Resources
Fox River Bike Trail & Fabyan Forest Preserve
Geneva, Kane County. Check trail access and permitted uses.
Hawthorne Hill Nature Center
Elgin, Kane County. Check trail access and permitted uses.
Johnson's Mound Forest Preserve
Elburn, Kane County. Check trail access and permitted uses.
Utilities
County & Local Resources
Illinois Commerce Commission
Statewide or federal resource; select the office or service for your address.
Illinois 811 — JULIE
Statewide or federal resource; select the office or service for your address.
Illinois energy assistance
Find utility-bill assistance and the local administering agency.
Libraries
County & Local Resources
Richard and Gina Santori Public Library of Aurora
Address 101 South River Street Aurora , IL 60506-6005
Phone 630-264-4121
Batavia Public Library District
Address 10 South Batavia Avenue Batavia , IL 60510-2449
Phone 630-879-1393
Ella Johnson Memorial Public Library District
Address 109 South State Street Post Office Box 429 Hampshire , IL 60140-0429
Phone 847-683-4490
Gail Borden Public Library District
Address 270 North Grove Avenue Elgin , IL 60120-5505
Phone 847-742-2411
Geneva Public Library District
Address 227 South Seventh Street Geneva , IL 60134-2241
Phone 630-232-0780
Courts
County & Local Resources
Illinois Courts
Statewide or federal resource; select the office or service for your address.
Illinois Courts — Forms
Statewide or federal resource; select the office or service for your address.
Illinois Court Help
Court-process information and help for people without an attorney.
DMV
County & Local Resources
Transportation
County & Local Resources
Illinois Department of Transportation
Statewide or federal resource; select the office or service for your address.
Getting Around Illinois
Statewide or federal resource; select the office or service for your address.
Illinois public transportation
Find public transportation information and regional agencies.
IDOT transit programs
Transit program information, including rural and intercity services.
Amtrak Illinois services
Find Illinois intercity rail routes and stations; some counties require travel to a regional station.
Postal Services
County & Local Resources
USPS Location Finder
Statewide or federal resource; select the office or service for your address.
USPS ZIP Code Lookup
Statewide or federal resource; select the office or service for your address.
USPS Informed Delivery
Statewide or federal resource; select the office or service for your address.
Veterans
County & Local Resources
Illinois Department of Veterans Affairs
Statewide or federal resource; select the office or service for your address.
VA Facility Locator
Statewide or federal resource; select the office or service for your address.
Veterans Crisis Line
Statewide or federal resource; select the office or service for your address.
Employment
County & Local Resources
IllinoisJobLink — official job-seeker help
Statewide or federal resource; select the office or service for your address.
Illinois Department of Employment Security
Statewide or federal resource; select the office or service for your address.
Illinois workNet
Statewide or federal resource; select the office or service for your address.
Work for Illinois
Statewide or federal resource; select the office or service for your address.
A Useful Starting Point
County facts and practical links for everyday questions.
Questions and Answers
Get to Know Kane County
Find background and service information below, then follow the provider links for current details.
Geneva is the county seat. Kane County Government provides county office information; check the office destination before traveling.
Aurora is the largest municipality listed in the county reference. Countywide statistics include other communities and unincorporated areas as well.
The 2020 Census counted 516,522 residents. This is a decennial count, not a current-year population estimate.
Kane County was established in 1836. The county was established in 1836 and named for Elias Kane. Its development brought river settlements, rail connections and expanding metropolitan communities into the same county.
The county covers approximately 524.2 sq mi (land and water; 2020 Census geography). This total includes both land and water, rather than land area alone.
Geneva is the county seat, while Aurora, Elgin and St. Charles form part of a larger network of Fox River communities west of Chicago.
Hickory Knolls Discovery Center is in St. Charles, Kane County. Check the provider’s current opening times and visitor information before traveling.
Use USPS ZIP Code Lookup with the full street address. A county boundary does not define a single postal delivery area.
Hickory Knolls Discovery Center is in St. Charles, Kane County. Check the provider’s current opening times and visitor information before traveling.
Moraine Hills State Park is in McHenry, McHenry County. This is a regional option outside Kane County. Basic access is the free activity; extras may carry charges. Check the provider’s current opening times and visitor information before traveling.
Begin with the Illinois Department of Veterans Affairs to locate the appropriate service office, or the VA facility locator for federal facilities.
Meet Your County Advertisers
Local Connections for Everyday Needs
Explore Prairie State Water Systems Inc for water well systems.
My Local Guide
Find Something Fun
Explore Local PlacesPlan your next stop around current information from each place.
Kids’ Fun
- Hickory Knolls Discovery Center — St. Charles, Kane County
- Otter Cove Aquatic Park — St. Charles, Kane County
- Kuipers Family Farm — Maple Park, Kane County
Restaurants
- Old Elburn Hall — Elburn, Kane County
- Obscurity Brewing & Craft Mead — Elburn, Kane County
- Domo Sushi — St. Charles, Kane County
Shopping & Retail
- Ream's Meat Market — Elburn, Kane County
- Bike Rack, Inc. — St. Charles, Kane County
- Gindo's Spice of Life — St. Charles, Kane County
Clothing & Boutiques
- Makoma House — St. Charles, Kane County
- Circa Vintage Gallery — St. Charles, Kane County
- Boutique Baby — St. Charles, Kane County
Outdoor Fun
- Hickory Knolls Discovery Center — St. Charles, Kane County
- Stone Hill Farm Healing Gardens — St. Charles, Kane County
- Primrose Farm — St. Charles, Kane County
Free Things To Do
- Moraine Hills State Park — McHenry — regional option in McHenry County; basic grounds/trail visit. Rentals, camping, special activities or events may cost extra.
- Volo Bog State Natural Area — Ingleside — regional option in Lake County; basic grounds/trail visit. Rentals, camping, special activities or events may cost extra.
- Chain O'Lakes State Park — Spring Grove — regional option in McHenry County; basic grounds/trail visit. Rentals, camping, special activities or events may cost extra.
Make Time for Local DiscoveriesChoose Your Next Stop