Louisiana 3rd Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | −24.8% |
| 2012 | −28.8% |
| 2016 | −32.6% |
| 2020 | −32.4% |
| 2024 | −36.2% |
Federal officeholders only. State and local officeholders are planned for the next data pass.
U.S. House
Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.
| Year | District | Won | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | 3 | R | 25.3%81,157 | 74.7%239,525 | 320,682 |
| 2022 | 3 | R | 20.0%44,813 | 77.9%174,864 | 224,552 |
| 2020 | 3 | R | 29.5%100,275 | 67.8%230,480 | 340,120 |
| 2018 | 3 | R | 30.4%74,713 | 68.4%168,263 | 245,943 |
| 2016 | 3 | R | 19.9%56,215 | 78.1%220,621 | 282,443 |
| 2014 | 3 | R | 0.0%0 | 88.0%207,926 | 236,268 |
| 2012 | 3 | R | 21.5%67,070 | 77.3%240,558 | 311,393 |
| 2010 | 3 | R | 36.2%61,914 | 63.8%108,963 | 170,877 |
| 2008 | 3 | D | 100.0%1 | 0.0%0 | 1 |
| 2006 | 3 | D | 58.1%79,213 | 40.3%54,950 | 136,331 |
| 2004 | 3 | D | 50.2%57,611 | 49.8%57,042 | 114,653 |
| 2002 | 3 | R | 0.0%0 | 86.7%130,323 | 150,342 |
| 2000 | 3 | R | 0.0%0 | 78.0%143,446 | 183,960 |
| 1998 | 3 | R | 0.0%0 | 100.0%1 | 1 |
| 1996 | 3 | R | 0.0%0 | 100.0%1 | 1 |
| 1994 | 3 | D | 100.0%1 | 0.0%0 | 1 |
| 1992 | 3 | D | 100.0%1 | 0.0%0 | 1 |
| 1990 | 3 | D | 100.0%1 | 0.0%0 | 1 |
| 1988 | 3 | D | 100.0%1 | 0.0%0 | 1 |
| 1986 | 3 | D | 100.0%1 | 0.0%0 | 1 |
| 1984 | 3 | D | 100.0%1 | 0.0%0 | 1 |
| 1982 | 3 | D | 100.0%1 | 0.0%0 | 1 |
| 1980 | 3 | D | 100.0%94,529 | 0.0%0 | 94,529 |
| 1978 | 3 | R | 0.0%0 | 100.0%1 | 1 |
| 1976 | 3 | R | 26.7%39,728 | 73.3%109,135 | 148,863 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 34.8%481,065 | 63.4%876,843 | 1,383,290 |
| 2020 | R | 35.3%730,989 | 61.2%1,267,291 | 2,071,543 |
| 2016 | R | 35.3%705,271 | 62.1%1,239,489 | 1,997,218 |
| 2014 | R | 44.9%1,581,041 | 54.8%1,929,108 | 3,523,183 |
| 2010 | R | 37.7%476,572 | 56.6%715,415 | 1,264,994 |
| 2008 | D | 52.1%988,298 | 45.7%867,177 | 1,896,574 |
| 2004 | R | 47.5%877,482 | 51.0%943,014 | 1,848,056 |
| 2002 | D | 49.8%1,235,554 | 49.5%1,229,344 | 2,481,629 |
| 1998 | D | 65.0%630,395 | 32.5%314,580 | 969,165 |
| 1996 | D | 50.2%852,945 | 49.8%847,157 | 1,700,102 |
| 1992 | D | 100.0%1 | 0.0%0 | 1 |
| 1990 | D | 100.0%1 | 0.0%0 | 1 |
| 1986 | D | 52.8%723,586 | 47.2%646,311 | 1,369,897 |
| 1984 | D | 100.0%1 | 0.0%0 | 1 |
| 1980 | D | 96.4%810,692 | 2.8%23,947 | 841,013 |
| 1978 | D | 100.0%1 | 0.0%0 | 1 |
Louisiana's 3rd congressional district, as drawn for the 2026 elections, takes in Lafayette, Iberia, Acadia, and Vermilion parishes and parts of Terrebonne. About 776,400 people live within its 2026 boundaries, with a median age of 37.8. Measured on those boundaries, the district has voted Republican in every presidential election since 2012, by widening margins. The margin was R+28.8 in 2012, R+32.6 in 2016, R+32.4 in 2020, and R+36.2 in 2024.
Across the recorded series it reached a Republican high of 36.2 points in 2024. Between 2020 and 2024 the district moved 3.8 points toward the Republican candidate; the 2024 margin was 36.2 points.
A population of 776,357, a 62% non-Hispanic-white share, and a median household income of $62,445 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 4 and Congressional District 1.
The congressional districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Louisiana 3rd Congressional District. Akashic. https://akashic.app/cd/2203/. Accessed May 20, 2026. License: CC BY 4.0.