St. John the Baptist Parish, Louisiana
Precinct data
Results by precinct
35 precincts · 18,827 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -0003-20003-2 | 1,132 | 118 | 19 | 1,269 | 89.2% | 9.3% | D+79.9 |
|---|---|---|---|---|---|---|---|
| Precinct -0001-30001-3 | 964 | 84 | 9 | 1,057 | 91.2% | 7.9% | D+83.3 |
| Precinct -0007-20007-2 | 481 | 532 | 17 | 1,030 | 46.7% | 51.7% | R+5.0 |
| Precinct -0006-30006-3 | 809 | 97 | 13 | 919 | 88.0% | 10.6% | D+77.5 |
| Precinct -0005-40005-4 | 347 | 534 | 11 | 892 | 38.9% | 59.9% | R+21.0 |
| Precinct -0005-10005-1 | 625 | 181 | 11 | 817 | 76.5% | 22.2% | D+54.3 |
| Precinct -0006-40006-4 | 712 | 97 | 8 | 817 | 87.1% | 11.9% | D+75.3 |
| Precinct -0002-20002-2 | 507 | 253 | 14 | 774 | 65.5% | 32.7% | D+32.8 |
| Precinct -4-44-4 | 349 | 395 | 6 | 750 | 46.5% | 52.7% | R+6.1 |
| Precinct -0002-10002-1 | 211 | 521 | 8 | 740 | 28.5% | 70.4% | R+41.9 |
| Precinct -0002-40002-4 | 97 | 629 | 13 | 739 | 13.1% | 85.1% | R+72.0 |
| Precinct -0004-20004-2 | 462 | 211 | 6 | 679 | 68.0% | 31.1% | D+37.0 |
| Precinct -0001-40001-4 | 474 | 186 | 9 | 669 | 70.9% | 27.8% | D+43.0 |
| Precinct -7-17-1 | 429 | 226 | 11 | 666 | 64.4% | 33.9% | D+30.5 |
| Precinct -0004-30004-3 | 569 | 89 | 3 | 661 | 86.1% | 13.5% | D+72.6 |
| Precinct -2-52-5 | 563 | 59 | 2 | 624 | 90.2% | 9.5% | D+80.8 |
| Precinct -0001-20001-2 | 578 | 30 | 9 | 617 | 93.7% | 4.9% | D+88.8 |
| Precinct -0006-10006-1 | 315 | 253 | 9 | 577 | 54.6% | 43.8% | D+10.7 |
| Precinct -0003-40003-4 | 418 | 137 | 6 | 561 | 74.5% | 24.4% | D+50.1 |
| Precinct -0002-30002-3 | 306 | 245 | 8 | 559 | 54.7% | 43.8% | D+10.9 |
| Precinct -0003-10003-1 | 298 | 181 | 9 | 488 | 61.1% | 37.1% | D+24.0 |
| Precinct -7-47-4 | 216 | 226 | 5 | 447 | 48.3% | 50.6% | R+2.2 |
| Precinct -0007-30007-3 | 194 | 192 | 3 | 389 | 49.9% | 49.4% | D+0.5 |
| Precinct -3-33-3 | 78 | 283 | 2 | 363 | 21.5% | 78.0% | R+56.5 |
| Precinct -1-71-7 | 125 | 222 | 3 | 350 | 35.7% | 63.4% | R+27.7 |
| Precinct -3-73-7 | 233 | 55 | 3 | 291 | 80.1% | 18.9% | D+61.2 |
| Precinct -5-25-2 | 192 | 21 | 2 | 215 | 89.3% | 9.8% | D+79.5 |
| Precinct -0001-50001-5 | 177 | 25 | 3 | 205 | 86.3% | 12.2% | D+74.1 |
| Precinct -0001-10001-1 | 11 | 173 | 0 | 184 | 6.0% | 94.0% | R+88.0 |
| Precinct -5-35-3 | 28 | 154 | 2 | 184 | 15.2% | 83.7% | R+68.5 |
| Precinct -1-61-6 | 35 | 89 | 0 | 124 | 28.2% | 71.8% | R+43.5 |
| Precinct -6-56-5 | 45 | 53 | 2 | 100 | 45.0% | 53.0% | R+8.0 |
| Precinct -4-54-5 | 28 | 4 | 2 | 34 | 82.4% | 11.8% | D+70.6 |
| Precinct -0004-10004-1 | 28 | 2 | 0 | 30 | 93.3% | 6.7% | D+86.7 |
| Precinct -6-26-2 | 6 | 0 | 0 | 6 | 100.0% | 0.0% | D+100.0 |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −37.9% |
| 1896 | −48.5% |
| 1900 | +57.2% |
| 1904 | +84.1% |
| 1908 | +78.9% |
| 1912 | +37.4% |
| 1916 | +42.2% |
| 1920 | −2.2% |
| 1924 | +26.8% |
| 1928 | +78.3% |
| 1932 | +62.1% |
| 1936 | +73.9% |
| 1940 | +61.4% |
| 1944 | +74.3% |
| 1948 | +22.3% |
| 1952 | +53.1% |
| 1956 | −3.5% |
| 1960 | +69.8% |
| 1964 | +40.1% |
| 1968 | +31.0% |
| 1972 | −10.0% |
| 1976 | +21.9% |
| 1980 | +13.2% |
| 1984 | −8.6% |
| 1988 | +5.6% |
| 1992 | +12.6% |
| 1996 | +22.9% |
| 2000 | +13.1% |
| 2004 | +6.5% |
| 2008 | +16.2% |
| 2012 | +26.3% |
| 2016 | +24.5% |
| 2020 | +28.2% |
| 2024 | +29.1% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | D | 58.2%6,779 | 39.7%4,626 | 11,643 |
| 2020 | D | 58.0%11,775 | 38.2%7,743 | 20,295 |
Registered voters
By party of registration, over time
Registration leans Democratic; the presidential vote runs 14 points more Democratic.
29,386 registered voters · 2024
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−110 net domestic migration · 2025
Net −7,933 over 2011–2025 · gain loss
Arrivals reported $35,254 in average income, against $56,675 for residents who stayed — 38% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+5.3 on average — 34 points more Republican-leaning than St. John the Baptist Parish, LA itself (D+29.1).
Where arrivals came from lean of each source
- Jefferson Parish, LA362R+13.0
- St. Charles Parish, LA145R+32.3
- Orleans Parish, LA120D+67.0
- East Baton Rouge Parish, LA59D+11.1
- St. James Parish, LA56R+0.9
- Ascension Parish, LA53R+33.9
Where departures went households, 2022–23
- Jefferson Parish, LA238
- Ascension Parish, LA122
- East Baton Rouge Parish, LA108
- St. Charles Parish, LA104
- Orleans Parish, LA96
- St. James Parish, LA81
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | −837 |
| 2012 | −658 |
| 2013 | −1,429 |
| 2014 | −116 |
| 2015 | −421 |
| 2016 | −329 |
| 2017 | −256 |
| 2018 | −308 |
| 2019 | −413 |
| 2021 | −315 |
| 2022 | −2,288 |
| 2023 | −433 |
| 2024 | −20 |
| 2025 | −110 |
St. John the Baptist Parish sits between New Orleans and Baton Rouge along the River Road corridor, where a majority-Black population has produced Democratic presidential margins exceeding 25 points in every cycle since 2008.
Across the recorded series it reached a Democratic high of 84.1 points in 1904 and a Republican high of 48.5 points in 1896. Between 2020 and 2024 the county moved 0.9 points toward the Democratic candidate; the 2024 margin was 29.1 points.
A population of 40,743, a 30% non-Hispanic-white share, and a median household income of $66,630 describe the county. The county's voting pattern over the last decade is most similar to that of Iberville Parish and Orleans Parish.
The counties 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.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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 →
St. John the Baptist Parish, Louisiana. Akashic. https://akashic.app/county/22095/. Accessed May 20, 2026. License: CC BY 4.0.