Louisiana's 3rd congressional district (LA-03)
Louisiana's 3rd congressional district (LA-03) covers parts or all of 11 counties, including Acadia Parish, Cameron Parish, Iberia Parish, Jefferson Davis Parish, Lafayette Parish and St. Mary Parish, and 88 ZIP codes (67 wholly inside it). Its 2020 population was 776,355. This is the map in force for the November 3, 2026 election.
Who represents LA-03
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (LA-03) | Clay Higgins (R) | 202-225-2031 |
| U.S. Senator | Bill Cassidy (R) | 202-224-5824 · contact form |
| U.S. Senator | John Kennedy (R) | 202-224-4623 · contact form |
Elected in 2024 under LA's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).
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 LA-03 |
|---|---|
| Acadia Parish | 100% |
| Cameron Parish | 100% |
| Iberia Parish | 100% |
| Jefferson Davis Parish | 100% |
| Lafayette Parish | 100% |
| St. Mary Parish | 100% |
| Vermilion Parish | 100% |
| St. Martin Parish | 97% |
| St. Landry Parish | 81% |
| Calcasieu Parish | 58% |
| Terrebonne Parish | 17% |
ZIP codes
Percentages mark ZIPs only partly in LA-03: the share of that ZIP's residents inside it.
- 70301 (6.4%)
- 70340
- 70342
- 70352
- 70356 (95%)
- 70359 (64%)
- 70364 (2.4%)
- 70380 (86%)
- 70392
- 70395 (98%)
- 70397 (86%)
- 70501
- 70503
- 70506
- 70507
- 70508
- 70510
- 70512
- 70513
- 70514
- 70515 (31%)
- 70516
- 70517
- 70518
- 70519
- 70520
- 70522
- 70523
- 70525
- 70526
- 70528
- 70529
- 70531
- 70532 (69%)
- 70533
- 70534
- 70535 (94%)
- 70537
- 70538
- 70541
- 70542
- 70543
- 70544
- 70546
- 70548
- 70549
- 70550
- 70551
- 70552
- 70555
- 70556
- 70558
- 70559
- 70560
- 70563
- 70570 (83%)
- 70575
- 70577 (47%)
- 70578
- 70581
- 70582
- 70583
- 70584
- 70586 (0.8%)
- 70591
- 70592
- 70601
- 70605
- 70607
- 70609
- 70611 (11%)
- 70615 (76%)
- 70629
- 70630
- 70631
- 70632
- 70640
- 70643
- 70645
- 70646
- 70647 (88%)
- 70648 (9.3%)
- 70650
- 70657 (5.0%)
- 70669 (21%)
- 70750
- 71353 (37%)
- 71358 (0.3%)
Towns
District 1, District 1, District 1, District 1, District 1, District 1, District 10, District 10, District 10, District 10, District 11, District 11, District 11, District 11, District 12, District 12, District 12, District 12, District 13, District 13, District 13, District 13, District 14, District 14, District 2, District 2, District 2, District 2, District 2, District 2, District 2, District 3, District 3, District 3, District 3, District 3, District 3, District 3, District 3 and District 4 and others.
Get this in your AI agent
Your agent can draw every precinct in LA-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:2203", children_level="precinct", include_districts=True)