Indiana's 3rd congressional district (IN-03)
Indiana's 3rd congressional district (IN-03) covers parts or all of 13 counties, including Adams County, Allen County, Blackford County, DeKalb County, Huntington County and Jay County, and 108 ZIP codes (85 wholly inside it). Its 2020 population was 753,947. This is the map in force for the November 3, 2026 election.
Who represents IN-03
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (IN-03) | Marlin A. Stutzman (R) | 202-225-4436 |
| U.S. Senator | Jim Banks (R) | 202-224-4814 |
| U.S. Senator | Todd Young (R) | 202-224-5623 · 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 IN-03 |
|---|---|
| Adams County | 100% |
| Allen County | 100% |
| Blackford County | 100% |
| DeKalb County | 100% |
| Huntington County | 100% |
| Jay County | 100% |
| LaGrange County | 100% |
| Noble County | 100% |
| Steuben County | 100% |
| Wells County | 100% |
| Whitley County | 100% |
| Randolph County | 70% |
| Kosciusko County | 23% |
ZIP codes
Percentages mark ZIPs only partly in IN-03: the share of that ZIP's residents inside it.
- 46538 (52%)
- 46540 (7.1%)
- 46543 (33%)
- 46555
- 46562 (84%)
- 46565 (100%)
- 46567 (78%)
- 46571
- 46582 (7.5%)
- 46701
- 46702 (94%)
- 46703
- 46704
- 46705
- 46706
- 46710
- 46711
- 46714
- 46721
- 46723
- 46725
- 46730
- 46731
- 46732
- 46733
- 46737
- 46738
- 46740
- 46741
- 46742
- 46743
- 46745
- 46746
- 46747
- 46748
- 46750
- 46755
- 46759
- 46760
- 46761
- 46763
- 46764
- 46765
- 46766
- 46767 (98%)
- 46770
- 46771
- 46772
- 46773
- 46774
- 46776
- 46777
- 46778
- 46779
- 46781
- 46783
- 46784
- 46785
- 46786
- 46787 (96%)
- 46788
- 46789
- 46791
- 46792
- 46793
- 46794
- 46795
- 46796
- 46797
- 46798
- 46799
- 46802
- 46803
- 46804
- 46805
- 46806
- 46807
- 46808
- 46809
- 46814
- 46815
- 46816
- 46818
- 46819
- 46825
- 46835
- 46845
- 46940 (11%)
- 46952 (1.0%)
- 46962 (0.4%)
- 46989 (0.3%)
- 46991 (6.3%)
- 47320 (7.3%)
- 47326
- 47336 (88%)
- 47338 (1.2%)
- 47340 (73%)
- 47348 (99%)
- 47359
- 47368 (66%)
- 47369
- 47371
- 47373
- 47380
- 47381
- 47382
- 47390 (89%)
- 47394 (82%)
Towns
Aboite township, Adams township, Albion township, Allen township, Bearcreek township, Bloomfield township, Blue Creek township, Butler township, Cedar Creek township, Chester township, Clay township, Clear Creek township, Clear Lake township, Clearspring township, Cleveland township, Columbia township, Concord township, Dallas township, Eden township, Eel River township, Elkhart township, Etna-Troy township, Fairfield township, Franklin township, Franklin township, Fremont township, French township, Grant township, Green township, Green township, Greene township, Greenfield township, Harrison township, Harrison township, Hartford township, Huntington township, Jackson township, Jackson township, Jackson township and Jackson township and others.
Get this in your AI agent
Your agent can draw every precinct in IN-03, 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:1803", children_level="precinct", include_districts=True)