Kane County, Illinois
What we have for Kane County today, and what is coming.
Basics
- County code (FIPS): 17089
- Land area: 519 square miles
- Population: 516,522
Federal money spent here
Fiscal year 2026: $3.6 billion in federal contracts, grants, loans and other awards for work done in Kane County.
Who represents Kane County
U.S. Senate (whole state): Richard J. Durbin (Democrat), Tammy Duckworth (Democrat).
U.S. House districts that include part of this county
| District | Member | Share of county land |
|---|---|---|
| Congressional District 11 | Bill Foster (Democrat) | 58.7% |
| Congressional District 8 | Raja Krishnamoorthi (Democrat) | 25.7% |
| Congressional District 14 | Lauren Underwood (Democrat) | 15.6% |
State senate districts
| District | Member | Share of county land |
|---|---|---|
| State Senate District 35 | Dave Syverson (Republican) | 49.8% |
| State Senate District 33 | Don DeWitte (Republican) | 30.7% |
| State Senate District 42 | Linda Holmes (Democratic) | 9.1% |
| State Senate District 25 | Karina Villa (Democratic) | 7.4% |
| State Senate District 22 | Cristina Castro (Democratic) | 2.8% |
| State Senate District 26 | Darby Hills (Republican) | 0.2% |
State house / assembly districts
| District | Member | Share of county land |
|---|---|---|
| State House District 70 | Jeff Keicher (Republican) | 49.8% |
| State House District 65 | Dan Ugaste (Republican) | 23.1% |
| State House District 83 | Matt Hanson (Democratic) | 8.2% |
| State House District 66 | Suzanne Ness (Democratic) | 7.6% |
| State House District 50 | Barbara Hernandez (Democratic) | 5.6% |
| State House District 43 | Anna Moeller (Democratic) | 2.8% |
| State House District 49 | Maura Hirschauer (Democratic) | 1.8% |
| State House District 84 | Stephanie Kifowit (Democratic) | 0.9% |
| State House District 52 | Marty McLaughlin (Republican) | 0.2% |
Matched by district number using the U.S. Census Bureau 2020 county–district relationship files (land area overlap; districts may have been redrawn since). Your exact district depends on your address: U.S. House · state legislators.
County government
Find the official county website and contacts in the USA.gov local government directory or the National Association of Counties explorer.
Coming next for counties: county commission meetings and agendas, county budgets, local ballot measures and election results. We add each one as soon as a public, reliable feed exists for it. Know a good source? Tell us.
Sources: U.S. Census Bureau Gazetteer (county list, public domain); USAspending.gov (U.S. Treasury). Built 2026-11-03 15:28.