Illinois’s 5th Congressional District is represented by Mike Quigley (D) in the U.S. House of Representatives. The district is one of Illinois’s seats in the 435-member House of Representatives. After the 2020 Census, the average congressional district had 761,169 people, according to the U.S. Census Bureau, and these district boundaries were drawn during the redistricting cycle that followed.
Congressional representatives serve two-year terms and face election every even-numbered year. The next election for this seat will take place on November 3, 2026.
Population
746,503
Median Household Income
$113,520
Population and income: U.S. Census Bureau, American Community Survey 5-year estimates for 2019 to 2023, for district lines in effect on January 1, 2023.
Partisan Lean
D+37
2024 presidential margin (Trump vs Harris). Source: The Downballot.
District boundary, 119th Congress. Boundary data: U.S. Census Bureau TIGERweb. Map tiles: OpenStreetMap.
Mike Quigley and Illinois's 5th Congressional District
Mike Quigley, a member of the Democratic Party, represents Illinois's 5th Congressional District and has held the seat since April 7, 2009. The boundary map for the district is above and the ZIP codes it covers are listed further down this page.
Committee assignments: House Committee on Appropriations and House Permanent Select Committee on Intelligence.
The current term ends January 3, 2027. The seat is on the ballot on Tuesday, November 3, 2026. Washington office phone: 202-225-4061. Official site: quigley.house.gov.
Current Representative
Rep. Mike Quigley (D)
119th Congress • Democrat • Representing this district since April 7, 2009
Mike Quigley currently represents Illinois’s 5th Congressional District as a member of the Democratic Party in the United States House of Representatives. The representative’s district office helps constituents with federal casework, such as Social Security claims and veterans’ benefits.
2026 Election
On the ballot November 3, 2026
- Mike Quigley, Democratic Incumbent
- Tommy Hanson, Republican
Source: Illinois State Board of Elections, general election candidate list, checked September 26, 2026. Write-in candidates are not listed.
Key dates for November 3, 2026
| Register by mail | Tuesday, October 6 PassedApplication must be postmarked by this date. |
|---|---|
| Register online | Sunday, October 18 |
| Register in person | Through Election Day, November 3 |
| Same-day registration | Grace-period registration and voting run through Election Day at early voting sites and polling places. |
| Early in-person voting | September 24 to November 2 Open nowSites and hours vary by election authority. |
| Request a mail ballot | Thursday, October 29 Mailed requests must be received by October 29. In-person requests are accepted until November 2. |
| Return a mail ballot | Postmarked by November 3 and received by November 17. Ballots delivered by hand or to a drop box are due by 7 p.m. on November 3. |
| Election Day | Tuesday, November 3, 2026 |
Check your registration with the Illinois voter lookup. Dates come from the Illinois election office and were checked September 26, 2026. States can change deadlines, so confirm with your election office before you act.
Polling places in Illinois are open 6 a.m. to 7 p.m., local time. Confirm your registration and polling place on the official federal voter page for Illinois: vote.gov.
What is on the ballot nationally on November 3, 2026
Contact Your Representative
Washington Office
2083 Rayburn House Office Building
Washington, DC 20515
Phone: (202) 225-4061
Online
Committee Assignments
About This District
The district covers parts of Cook and Lake counties in Illinois. Its largest cities are Arlington Heights (about 78,000), Palatine (about 68,000), Mount Prospect (about 57,000), and Park Ridge (about 40,000).
Learn more about congressional districts
- What is a congressional district?
- What does a U.S. Representative do?
- What is gerrymandering?
- How congressional redistricting works
Frequently Asked Questions
Who represents Illinois's 5th Congressional District?
Mike Quigley (D) represents Illinois's 5th Congressional District in the U.S. House of Representatives.
What political party is Mike Quigley a member of?
Mike Quigley is a member of the Democratic Party.
How can I contact Mike Quigley?
You can reach Mike Quigley by phone at 202-225-4061 or through their official website at https://quigley.house.gov.
When does Mike Quigley's current term end?
Mike Quigley's current term in the U.S. House of Representatives ends on January 3, 2027.
Where is Illinois's 5th Congressional District?
Illinois's 5th Congressional District is located in the state of Illinois and is one of the 435 voting congressional districts in the U.S. House of Representatives.
What district does Mike Quigley represent?
Mike Quigley has represented Illinois's 5th Congressional District since April 7, 2009. The boundary map for the district is on this page.
Where can I see a map of Mike Quigley's district?
The boundary map for Illinois's 5th Congressional District is on this page. It is drawn from U.S. Census Bureau TIGERweb boundary files for the 119th Congress.
What committees is Mike Quigley on?
Mike Quigley sits on House Committee on Appropriations and House Permanent Select Committee on Intelligence. Committee assignments come from the Clerk of the House MemberData file.
Is Mike Quigley still in Congress?
This site shows Mike Quigley holding Illinois's 5th Congressional District, checked against the Clerk of the House member list. All 435 House seats are on the ballot on November 3, 2026, so the answer can change with that election.
Nearby Districts in Illinois
ZIP Codes in Illinois's 5th Congressional District
This congressional district contains 46 ZIP codes. The most common 10 are shown below; expand the full list to see every ZIP in the district.
45 of these ZIP codes also extend into another Illinois district, so a ZIP code here does not always identify a single representative. Examples include 60004 (also in the 8th and 9th and 10th), 60005 (also in the 3rd and 8th), 60007 (also in the 3rd and 8th), 60008 (also in the 3rd and 8th), 60010 (also in the 8th and 9th and 11th), 60013 (also in the 9th and 11th), 60016 (also in the 3rd and 8th and 9th), 60018 (also in the 3rd and 8th).
- 60004
- 60005
- 60007
- 60008
- 60010
- 60013
- 60016
- 60018
- 60021
- 60025
View all 46 ZIP codes in this district
- 60004
- 60005
- 60007
- 60008
- 60010
- 60013
- 60016
- 60018
- 60021
- 60025
- 60026
- 60047
- 60056
- 60062
- 60067
- 60068
- 60074
- 60077
- 60084
- 60089
- 60131
- 60173
- 60176
- 60192
- 60195
- 60610
- 60611
- 60613
- 60614
- 60618
- 60622
- 60625
- 60630
- 60631
- 60634
- 60640
- 60641
- 60642
- 60646
- 60647
- 60654
- 60656
- 60657
- 60659
- 60706
- 60714
ZIP-to-district boundaries sourced from the U.S. Census Bureau's 2024-07-30 Block Equivalency File for the 119th Congress. ZCTAs (ZIP Code Tabulation Areas) approximate USPS delivery ZIPs.
U.S. Senators for this state: Richard J. Durbin (D), Tammy Duckworth (D)
Local surveillance camera contracts
Automated license plate reader contracts are approved locally, by city councils and county boards, not by Congress. These places in this district have a contract record documented from public sources:
Records compiled by Who Approved This, an independent public-records project. Approval dates, amounts, and end dates are cited to council agendas, minutes, and signed contracts.
Place list rebuilt from the Who Approved This public export on September 26, 2026.
Last updated September 27, 2026.
Data last checked September 26, 2026.
See how this district compares with another using Compare Districts.