Wisconsin's 2nd congressional district (WI-02)
Wisconsin's 2nd congressional district (WI-02) covers parts or all of Dane County, Green County, Iowa County, Lafayette County, Sauk County and Rock County, and 100 ZIP codes (68 wholly inside it). Its 2020 population was 736,715. This is the map in force for the November 3, 2026 election.
Who represents WI-02
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (WI-02) | Mark Pocan (D) | 202-225-2906 |
| U.S. Senator | Ron Johnson (R) | 202-224-5323 · contact form |
| U.S. Senator | Tammy Baldwin (D) | 202-224-5653 · 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 WI-02 |
|---|---|
| Dane County | 100% |
| Green County | 100% |
| Iowa County | 100% |
| Lafayette County | 100% |
| Sauk County | 94% |
| Rock County | 22% |
ZIP codes
Percentages mark ZIPs only partly in WI-02: the share of that ZIP's residents inside it.
- 53501
- 53502
- 53503
- 53504
- 53506
- 53507
- 53508
- 53510
- 53511 (17%)
- 53515
- 53516
- 53517
- 53520
- 53521
- 53522
- 53523 (52%)
- 53526
- 53527
- 53528
- 53529
- 53530
- 53531
- 53532 (99%)
- 53533
- 53534 (90%)
- 53536
- 53537
- 53541
- 53543 (95%)
- 53544
- 53545 (1.6%)
- 53546 (5.0%)
- 53548 (13%)
- 53550
- 53553
- 53554 (13%)
- 53555 (6.7%)
- 53556 (15%)
- 53558
- 53559 (100%)
- 53560
- 53561 (85%)
- 53562
- 53563 (0.5%)
- 53565
- 53566
- 53569 (23%)
- 53570
- 53571
- 53572
- 53573 (6.9%)
- 53574
- 53575
- 53576
- 53577
- 53578 (87%)
- 53580
- 53582
- 53583 (99%)
- 53586
- 53587
- 53588 (99%)
- 53589
- 53590
- 53593
- 53594 (3.8%)
- 53597
- 53598
- 53599
- 53703
- 53704
- 53705
- 53706
- 53711
- 53713
- 53714
- 53715
- 53716
- 53717
- 53718
- 53719
- 53726
- 53792
- 53803
- 53807 (22%)
- 53811 (3.6%)
- 53818 (4.4%)
- 53911 (3.4%)
- 53913 (100%)
- 53925 (4.7%)
- 53937 (85%)
- 53940
- 53941 (6.6%)
- 53942 (8.3%)
- 53943
- 53944 (7.7%)
- 53951
- 53959 (98%)
- 53961
- 53965 (37%)
Towns
Adams town, Albany town, Albany village, Albion town, Arena town, Arena village, Argyle town, Argyle village, Avoca village, Avon town, Baraboo city, Baraboo town, Barneveld village, Bear Creek town, Belleville village, Belleville village, Belmont town, Belmont village, Benton town, Benton village, Berry town, Black Earth town, Black Earth village, Blanchard town, Blanchardville village, Blanchardville village, Blooming Grove town, Blue Mounds town, Blue Mounds village, Brigham town, Bristol town, Brodhead city, Brodhead city, Brooklyn town, Brooklyn village, Brooklyn village, Browntown village, Burke town, Cadiz town and Cambridge village and others.
Get this in your AI agent
Your agent can draw every precinct in WI-02, 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:5502", children_level="precinct", include_districts=True)