Illinois's 14th congressional district (IL-14)
Illinois's 14th congressional district (IL-14) covers parts or all of 7 counties, including Kendall County, DeKalb County, LaSalle County, Putnam County, Will County and Bureau County, and 86 ZIP codes (43 wholly inside it). Its 2020 population was 753,677. This is the map in force for the November 3, 2026 election.
Who represents IL-14
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (IL-14) | Lauren Underwood (D) | 202-225-2976 |
| 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-14 |
|---|---|
| Kendall County | 100% |
| DeKalb County | 87% |
| LaSalle County | 79% |
| Putnam County | 66% |
| Will County | 53% |
| Bureau County | 37% |
| Kane County | 13% |
ZIP codes
Percentages mark ZIPs only partly in IL-14: the share of that ZIP's residents inside it.
- 60111 (3.5%)
- 60112
- 60115
- 60119 (0.2%)
- 60135 (4.3%)
- 60145 (7.1%)
- 60150 (96%)
- 60151 (28%)
- 60178 (95%)
- 60403
- 60404
- 60421 (99%)
- 60431
- 60432 (88%)
- 60433 (96%)
- 60435
- 60436
- 60439 (<0.1%)
- 60441 (39%)
- 60442 (0.3%)
- 60446 (90%)
- 60447 (15%)
- 60450 (0.4%)
- 60490 (36%)
- 60502 (<0.1%)
- 60503
- 60504 (22%)
- 60505 (49%)
- 60506 (14%)
- 60511
- 60512
- 60518 (95%)
- 60520
- 60530 (32%)
- 60531
- 60536
- 60537
- 60538
- 60541 (95%)
- 60542 (0.7%)
- 60543
- 60544 (89%)
- 60545
- 60548
- 60549
- 60550
- 60551
- 60552
- 60554 (97%)
- 60556
- 60557
- 60560
- 60564 (88%)
- 60565 (17%)
- 60585
- 60586
- 61068 (<0.1%)
- 61301
- 61312
- 61315
- 61316
- 61317
- 61320
- 61322
- 61323 (4.2%)
- 61326 (100%)
- 61327 (77%)
- 61329
- 61330 (6.7%)
- 61337
- 61340
- 61341 (88%)
- 61342 (99%)
- 61348 (95%)
- 61350 (98%)
- 61354 (100%)
- 61356 (8.0%)
- 61359
- 61360 (81%)
- 61362
- 61363
- 61368 (0.6%)
- 61370 (3.2%)
- 61371
- 61372
- 61373
Towns
Adams township, Afton township, Berlin township, Big Grove township, Big Rock township, Bristol township, Clinton township, Cortland township, Dayton township, DeKalb township, Dimmick township, Earl township, Fox township, Freedom township, Granville township, Hall township, Jackson township, Joliet township, Kendall township, LaSalle township, Leepertown township, Lisbon township, Little Rock township, Malta township, Manlius township, Mendota township, Meriden township, Milan township, Miller township, Mission township, Na-Au-Say township, Northville township, Ophir township, Oswego township, Ottawa township, Paw Paw township, Peru township, Pierce township, Plainfield township and Rutland township and others.
Get this in your AI agent
Your agent can draw every precinct in IL-14, 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:1714", children_level="precinct", include_districts=True)