Illinois's 5th congressional district (IL-05)
Illinois's 5th congressional district (IL-05) covers parts or all of Cook County and Lake County, and 39 ZIP codes (2 wholly inside it). Its 2020 population was 753,677. This is the map in force for the November 3, 2026 election.
Who represents IL-05
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (IL-05) | Mike Quigley (D) | 202-225-4061 |
| U.S. Senator | Richard J. Durbin (D) | 202-224-2152 · contact form |
| U.S. Senator | Tammy Duckworth (D) | 202-224-2854 · contact form |
Officials serving now (members of Congress until January 3, 2027). Sources: Members of Congress: the @unitedstates project, congress-legislators (CC0).
Counties
| County | Share of the county's residents in IL-05 |
|---|---|
| Cook County | 13% |
| Lake County | 5.9% |
ZIP codes
Percentages mark ZIPs only partly in IL-05: the share of that ZIP's residents inside it.
- 60004 (67%)
- 60005 (77%)
- 60008 (0.6%)
- 60010 (66%)
- 60016 (55%)
- 60018 (4.9%)
- 60021 (8.9%)
- 60025 (14%)
- 60047 (60%)
- 60056 (40%)
- 60067 (82%)
- 60068 (67%)
- 60074 (23%)
- 60077 (<0.1%)
- 60089 (5.6%)
- 60173 (<0.1%)
- 60176 (48%)
- 60192 (63%)
- 60195 (2.4%)
- 60610 (52%)
- 60611 (46%)
- 60613 (61%)
- 60614 (96%)
- 60618 (31%)
- 60622 (22%)
- 60625 (46%)
- 60630 (82%)
- 60631 (74%)
- 60634 (6.0%)
- 60640 (13%)
- 60641 (15%)
- 60642 (22%)
- 60646
- 60647 (15%)
- 60656 (63%)
- 60657
- 60659 (40%)
- 60706 (94%)
- 60714 (12%)
Towns
Norwood Park township, Ela township, Barrington township, Cuba township, Palatine township, Maine township, Wheeling township, Elk Grove township, Chicago city, Leyden township, Northfield township, Vernon township and Niles township.
Get this in your AI agent
Your agent can draw every precinct in IL-05, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
get_boundaries(id="us:congressional_district:1705", children_level="precinct", include_districts=True)