St. Tammany Parish, Louisiana
Precinct data
Results by precinct
170 precincts · 138,384 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -909A909A | 1,520 | 375 | 14 | 1,909 | 79.6% | 19.6% | D+60.0 |
|---|---|---|---|---|---|---|---|
| Precinct -000203000203 | 136 | 1,401 | 21 | 1,558 | 8.7% | 89.9% | R+81.2 |
| Precinct -000111000111 | 259 | 1,177 | 26 | 1,462 | 17.7% | 80.5% | R+62.8 |
| Precinct -000205000205 | 153 | 1,279 | 9 | 1,441 | 10.6% | 88.8% | R+78.1 |
| Precinct -000P01000P01 | 175 | 1,236 | 19 | 1,430 | 12.2% | 86.4% | R+74.2 |
| Precinct -000604000604 | 119 | 1,293 | 15 | 1,427 | 8.3% | 90.6% | R+82.3 |
| Precinct -000913000913 | 805 | 587 | 29 | 1,421 | 56.7% | 41.3% | D+15.3 |
| Precinct -000310000310 | 347 | 1,040 | 33 | 1,420 | 24.4% | 73.2% | R+48.8 |
| Precinct -000102000102 | 223 | 1,123 | 29 | 1,375 | 16.2% | 81.7% | R+65.5 |
| Precinct -000915000915 | 536 | 795 | 15 | 1,346 | 39.8% | 59.1% | R+19.2 |
| Precinct -000903000903 | 201 | 1,121 | 21 | 1,343 | 15.0% | 83.5% | R+68.5 |
| Precinct -000M04000M04 | 402 | 894 | 39 | 1,335 | 30.1% | 67.0% | R+36.9 |
| Precinct -000M02000M02 | 400 | 899 | 27 | 1,326 | 30.2% | 67.8% | R+37.6 |
| Precinct -000112000112 | 245 | 1,059 | 14 | 1,318 | 18.6% | 80.3% | R+61.8 |
| Precinct -000101000101 | 213 | 1,066 | 12 | 1,291 | 16.5% | 82.6% | R+66.1 |
| Precinct -000314000314 | 347 | 918 | 22 | 1,287 | 27.0% | 71.3% | R+44.4 |
| Precinct -000804000804 | 262 | 972 | 19 | 1,253 | 20.9% | 77.6% | R+56.7 |
| Precinct -000408000408 | 313 | 870 | 36 | 1,219 | 25.7% | 71.4% | R+45.7 |
| Precinct -000114000114 | 230 | 970 | 15 | 1,215 | 18.9% | 79.8% | R+60.9 |
| Precinct -000502000502 | 148 | 1,052 | 5 | 1,205 | 12.3% | 87.3% | R+75.0 |
| Precinct -000803000803 | 419 | 764 | 19 | 1,202 | 34.9% | 63.6% | R+28.7 |
| Precinct -000505000505 | 158 | 1,017 | 24 | 1,199 | 13.2% | 84.8% | R+71.6 |
| Precinct -000303000303 | 281 | 885 | 31 | 1,197 | 23.5% | 73.9% | R+50.5 |
| Precinct -000817000817 | 293 | 887 | 9 | 1,189 | 24.6% | 74.6% | R+50.0 |
| Precinct -000304000304 | 470 | 694 | 24 | 1,188 | 39.6% | 58.4% | R+18.9 |
| Precinct -000503000503 | 90 | 1,083 | 5 | 1,178 | 7.6% | 91.9% | R+84.3 |
| Precinct -000921000921 | 383 | 776 | 7 | 1,166 | 32.8% | 66.6% | R+33.7 |
| Precinct -000S05000S05 | 286 | 842 | 19 | 1,147 | 24.9% | 73.4% | R+48.5 |
| Precinct -000706000706 | 247 | 875 | 24 | 1,146 | 21.6% | 76.4% | R+54.8 |
| Precinct -000603000603 | 82 | 1,054 | 5 | 1,141 | 7.2% | 92.4% | R+85.2 |
| Precinct -000701000701 | 509 | 602 | 15 | 1,126 | 45.2% | 53.5% | R+8.3 |
| Precinct -000810000810 | 293 | 804 | 22 | 1,119 | 26.2% | 71.8% | R+45.7 |
| Precinct -000904000904 | 655 | 427 | 21 | 1,103 | 59.4% | 38.7% | D+20.7 |
| Precinct -000602000602 | 95 | 998 | 3 | 1,096 | 8.7% | 91.1% | R+82.4 |
| Precinct -000811000811 | 339 | 734 | 21 | 1,094 | 31.0% | 67.1% | R+36.1 |
| Precinct -000801000801 | 211 | 856 | 21 | 1,088 | 19.4% | 78.7% | R+59.3 |
| Precinct -000202000202 | 119 | 946 | 17 | 1,082 | 11.0% | 87.4% | R+76.4 |
| Precinct -000M10000M10 | 281 | 781 | 17 | 1,079 | 26.0% | 72.4% | R+46.3 |
| Precinct -000422000422 | 305 | 741 | 22 | 1,068 | 28.6% | 69.4% | R+40.8 |
| Precinct -000307000307 | 257 | 793 | 14 | 1,064 | 24.2% | 74.5% | R+50.4 |
| Precinct -000910000910 | 274 | 776 | 12 | 1,062 | 25.8% | 73.1% | R+47.3 |
| Precinct -000S16000S16 | 444 | 613 | 5 | 1,062 | 41.8% | 57.7% | R+15.9 |
| Precinct -000806000806 | 291 | 753 | 14 | 1,058 | 27.5% | 71.2% | R+43.7 |
| Precinct -000401000401 | 301 | 715 | 31 | 1,047 | 28.7% | 68.3% | R+39.5 |
| Precinct -000201000201 | 303 | 729 | 12 | 1,044 | 29.0% | 69.8% | R+40.8 |
| Precinct -000F01000F01 | 373 | 658 | 9 | 1,040 | 35.9% | 63.3% | R+27.4 |
| Precinct -000805000805 | 233 | 788 | 12 | 1,033 | 22.6% | 76.3% | R+53.7 |
| Precinct -000409000409 | 347 | 658 | 19 | 1,024 | 33.9% | 64.3% | R+30.4 |
| Precinct -000412000412 | 177 | 812 | 26 | 1,015 | 17.4% | 80.0% | R+62.6 |
| Precinct -000A03000A03 | 230 | 762 | 19 | 1,011 | 22.7% | 75.4% | R+52.6 |
| Precinct -000204000204 | 143 | 856 | 10 | 1,009 | 14.2% | 84.8% | R+70.7 |
| Precinct -000MD1000MD1 | 199 | 795 | 14 | 1,008 | 19.7% | 78.9% | R+59.1 |
| Precinct -000702000702 | 436 | 547 | 24 | 1,007 | 43.3% | 54.3% | R+11.0 |
| Precinct -000S01000S01 | 264 | 722 | 14 | 1,000 | 26.4% | 72.2% | R+45.8 |
| Precinct -000301000301 | 143 | 833 | 10 | 986 | 14.5% | 84.5% | R+70.0 |
| Precinct -000905000905 | 347 | 625 | 14 | 986 | 35.2% | 63.4% | R+28.2 |
| Precinct -000403000403 | 281 | 672 | 24 | 977 | 28.8% | 68.8% | R+40.0 |
| Precinct -106A106A | 175 | 778 | 17 | 970 | 18.0% | 80.2% | R+62.2 |
| Precinct -802A802A | 250 | 701 | 19 | 970 | 25.8% | 72.3% | R+46.5 |
| Precinct -000C11000C11 | 274 | 672 | 22 | 968 | 28.3% | 69.4% | R+41.1 |
| Precinct -000118000118 | 177 | 762 | 21 | 960 | 18.4% | 79.4% | R+60.9 |
| Precinct -000110000110 | 230 | 712 | 17 | 959 | 24.0% | 74.2% | R+50.3 |
| Precinct -000410000410 | 267 | 661 | 22 | 950 | 28.1% | 69.6% | R+41.5 |
| Precinct -000911000911 | 184 | 748 | 17 | 949 | 19.4% | 78.8% | R+59.4 |
| Precinct -000704000704 | 216 | 708 | 7 | 931 | 23.2% | 76.0% | R+52.8 |
| Precinct -000M11000M11 | 179 | 720 | 24 | 923 | 19.4% | 78.0% | R+58.6 |
| Precinct -000A02000A02 | 330 | 552 | 22 | 904 | 36.5% | 61.1% | R+24.6 |
| Precinct -000107000107 | 182 | 696 | 12 | 890 | 20.4% | 78.2% | R+57.8 |
| Precinct -000901000901 | 335 | 550 | 5 | 890 | 37.6% | 61.8% | R+24.2 |
| Precinct -000411000411 | 165 | 712 | 10 | 887 | 18.6% | 80.3% | R+61.7 |
| Precinct -000S06000S06 | 327 | 545 | 9 | 881 | 37.1% | 61.9% | R+24.7 |
| Precinct -000417000417 | 216 | 611 | 19 | 846 | 25.5% | 72.2% | R+46.7 |
| Precinct -000807000807 | 175 | 656 | 14 | 845 | 20.7% | 77.6% | R+56.9 |
| Precinct -000812000812 | 225 | 599 | 21 | 845 | 26.6% | 70.9% | R+44.3 |
| Precinct -000106000106 | 148 | 684 | 10 | 842 | 17.6% | 81.2% | R+63.7 |
| Precinct -000S10000S10 | 245 | 573 | 15 | 833 | 29.4% | 68.8% | R+39.4 |
| Precinct -000S03000S03 | 216 | 602 | 10 | 828 | 26.1% | 72.7% | R+46.6 |
| Precinct -000S18000S18 | 257 | 552 | 19 | 828 | 31.0% | 66.7% | R+35.6 |
| Precinct -000C09000C09 | 230 | 578 | 19 | 827 | 27.8% | 69.9% | R+42.1 |
| Precinct -000S17000S17 | 315 | 500 | 12 | 827 | 38.1% | 60.5% | R+22.4 |
| Precinct -000402000402 | 162 | 625 | 21 | 808 | 20.0% | 77.4% | R+57.3 |
| Precinct -000S08000S08 | 301 | 491 | 14 | 806 | 37.3% | 60.9% | R+23.6 |
| Precinct -000313000313 | 177 | 611 | 14 | 802 | 22.1% | 76.2% | R+54.1 |
| Precinct -000816000816 | 242 | 547 | 12 | 801 | 30.2% | 68.3% | R+38.1 |
| Precinct -000405000405 | 189 | 585 | 19 | 793 | 23.8% | 73.8% | R+49.9 |
| Precinct -000413000413 | 170 | 604 | 15 | 789 | 21.5% | 76.6% | R+55.0 |
| Precinct -000504000504 | 90 | 668 | 12 | 770 | 11.7% | 86.8% | R+75.1 |
| Precinct -000814000814 | 589 | 158 | 22 | 769 | 76.6% | 20.5% | D+56.0 |
| Precinct -000C03000C03 | 272 | 477 | 19 | 768 | 35.4% | 62.1% | R+26.7 |
| Precinct -000302000302 | 95 | 661 | 10 | 766 | 12.4% | 86.3% | R+73.9 |
| Precinct -000802000802 | 296 | 451 | 10 | 757 | 39.1% | 59.6% | R+20.5 |
| Precinct -000M07000M07 | 247 | 495 | 12 | 754 | 32.8% | 65.6% | R+32.9 |
| Precinct -000S04000S04 | 182 | 564 | 7 | 753 | 24.2% | 74.9% | R+50.7 |
| Precinct -000S11000S11 | 242 | 493 | 15 | 750 | 32.3% | 65.7% | R+33.5 |
| Precinct -000312000312 | 225 | 507 | 17 | 749 | 30.0% | 67.7% | R+37.7 |
| Precinct -000309000309 | 208 | 526 | 12 | 746 | 27.9% | 70.5% | R+42.6 |
| Precinct -000703000703 | 385 | 349 | 12 | 746 | 51.6% | 46.8% | D+4.8 |
| Precinct -000115000115 | 133 | 597 | 7 | 737 | 18.0% | 81.0% | R+63.0 |
| Precinct -000M06000M06 | 194 | 528 | 15 | 737 | 26.3% | 71.6% | R+45.3 |
| Precinct -000S24000S24 | 529 | 191 | 9 | 729 | 72.6% | 26.2% | D+46.4 |
| Precinct -000418000418 | 131 | 585 | 12 | 728 | 18.0% | 80.4% | R+62.4 |
| Precinct -000108000108 | 109 | 611 | 7 | 727 | 15.0% | 84.0% | R+69.1 |
| Precinct -000103000103 | 95 | 609 | 22 | 726 | 13.1% | 83.9% | R+70.8 |
| Precinct -000414000414 | 150 | 564 | 10 | 724 | 20.7% | 77.9% | R+57.2 |
| Precinct -000A01000A01 | 192 | 505 | 10 | 707 | 27.2% | 71.4% | R+44.3 |
| Precinct -000914000914 | 432 | 245 | 19 | 696 | 62.1% | 35.2% | D+26.9 |
| Precinct -000416000416 | 141 | 545 | 9 | 695 | 20.3% | 78.4% | R+58.1 |
| Precinct -000407000407 | 167 | 500 | 22 | 689 | 24.2% | 72.6% | R+48.3 |
| Precinct -000105000105 | 136 | 536 | 10 | 682 | 19.9% | 78.6% | R+58.7 |
| Precinct -000305000305 | 240 | 432 | 10 | 682 | 35.2% | 63.3% | R+28.2 |
| Precinct -000420000420 | 128 | 524 | 14 | 666 | 19.2% | 78.7% | R+59.5 |
| Precinct -000S15000S15 | 313 | 330 | 17 | 660 | 47.4% | 50.0% | R+2.6 |
| Precinct -000501000501 | 92 | 561 | 2 | 655 | 14.0% | 85.6% | R+71.6 |
| Precinct -000M08000M08 | 158 | 488 | 9 | 655 | 24.1% | 74.5% | R+50.4 |
| Precinct -000421000421 | 167 | 477 | 9 | 653 | 25.6% | 73.0% | R+47.5 |
| Precinct -000C04000C04 | 204 | 422 | 24 | 650 | 31.4% | 64.9% | R+33.5 |
| Precinct -000306000306 | 95 | 540 | 9 | 644 | 14.8% | 83.9% | R+69.1 |
| Precinct -000404000404 | 143 | 486 | 14 | 643 | 22.2% | 75.6% | R+53.3 |
| Precinct -000430000430 | 150 | 477 | 15 | 642 | 23.4% | 74.3% | R+50.9 |
| Precinct -000M12000M12 | 128 | 458 | 34 | 620 | 20.6% | 73.9% | R+53.2 |
| Precinct -000207000207 | 75 | 536 | 7 | 618 | 12.1% | 86.7% | R+74.6 |
| Precinct -000606000606 | 63 | 552 | 3 | 618 | 10.2% | 89.3% | R+79.1 |
| Precinct -000S09000S09 | 141 | 462 | 7 | 610 | 23.1% | 75.7% | R+52.6 |
| Precinct -000308000308 | 143 | 455 | 7 | 605 | 23.6% | 75.2% | R+51.6 |
| Precinct -000116000116 | 112 | 486 | 5 | 603 | 18.6% | 80.6% | R+62.0 |
| Precinct -000S21000S21 | 325 | 264 | 5 | 594 | 54.7% | 44.4% | D+10.3 |
| Precinct -000M01000M01 | 162 | 415 | 12 | 589 | 27.5% | 70.5% | R+43.0 |
| Precinct -000605000605 | 82 | 491 | 7 | 580 | 14.1% | 84.7% | R+70.5 |
| Precinct -000104000104 | 128 | 441 | 9 | 578 | 22.1% | 76.3% | R+54.2 |
| Precinct -000S07000S07 | 400 | 163 | 10 | 573 | 69.8% | 28.4% | D+41.4 |
| Precinct -000808000808 | 133 | 436 | 2 | 571 | 23.3% | 76.4% | R+53.1 |
| Precinct -000419000419 | 119 | 422 | 10 | 551 | 21.6% | 76.6% | R+55.0 |
| Precinct -000809000809 | 240 | 293 | 5 | 538 | 44.6% | 54.5% | R+9.9 |
| Precinct -000C01000C01 | 112 | 396 | 12 | 520 | 21.5% | 76.2% | R+54.6 |
| Precinct -000818000818 | 407 | 106 | 3 | 516 | 78.9% | 20.5% | D+58.3 |
| Precinct -000427000427 | 90 | 422 | 2 | 514 | 17.5% | 82.1% | R+64.6 |
| Precinct -000S02000S02 | 145 | 354 | 15 | 514 | 28.2% | 68.9% | R+40.7 |
| Precinct -000429000429 | 128 | 373 | 12 | 513 | 25.0% | 72.7% | R+47.8 |
| Precinct -000426000426 | 141 | 354 | 15 | 510 | 27.6% | 69.4% | R+41.8 |
| Precinct -000C06000C06 | 296 | 208 | 5 | 509 | 58.2% | 40.9% | D+17.3 |
| Precinct -000406000406 | 68 | 422 | 5 | 495 | 13.7% | 85.3% | R+71.5 |
| Precinct -000415000415 | 141 | 321 | 19 | 481 | 29.3% | 66.7% | R+37.4 |
| Precinct -M09AM09A | 112 | 347 | 3 | 462 | 24.2% | 75.1% | R+50.9 |
| Precinct -000815000815 | 109 | 349 | 2 | 460 | 23.7% | 75.9% | R+52.2 |
| Precinct -000A04000A04 | 119 | 326 | 5 | 450 | 26.4% | 72.4% | R+46.0 |
| Precinct -000S13000S13 | 104 | 328 | 5 | 437 | 23.8% | 75.1% | R+51.3 |
| Precinct -000113000113 | 138 | 285 | 10 | 433 | 31.9% | 65.8% | R+33.9 |
| Precinct -000S19000S19 | 276 | 144 | 9 | 429 | 64.3% | 33.6% | D+30.8 |
| Precinct -000206000206 | 48 | 373 | 2 | 423 | 11.3% | 88.2% | R+76.8 |
| Precinct -000705000705 | 114 | 302 | 3 | 419 | 27.2% | 72.1% | R+44.9 |
| Precinct -312A312A | 48 | 356 | 5 | 409 | 11.7% | 87.0% | R+75.3 |
| Precinct -000906000906 | 143 | 241 | 3 | 387 | 37.0% | 62.3% | R+25.3 |
| Precinct -000918000918 | 85 | 297 | 3 | 385 | 22.1% | 77.1% | R+55.1 |
| Precinct -000909000909 | 114 | 267 | 3 | 384 | 29.7% | 69.5% | R+39.8 |
| Precinct -000C02000C02 | 104 | 250 | 5 | 359 | 29.0% | 69.6% | R+40.7 |
| Precinct -000902000902 | 102 | 241 | 3 | 346 | 29.5% | 69.7% | R+40.2 |
| Precinct -000917000917 | 99 | 226 | 5 | 330 | 30.0% | 68.5% | R+38.5 |
| Precinct -000907000907 | 119 | 203 | 3 | 325 | 36.6% | 62.5% | R+25.8 |
| Precinct -000916000916 | 112 | 203 | 5 | 320 | 35.0% | 63.4% | R+28.4 |
| Precinct -A02AA02A | 48 | 250 | 7 | 305 | 15.7% | 82.0% | R+66.2 |
| Precinct -000S22000S22 | 136 | 151 | 0 | 287 | 47.4% | 52.6% | R+5.2 |
| Precinct -000M09000M09 | 68 | 205 | 7 | 280 | 24.3% | 73.2% | R+48.9 |
| Precinct -000S23000S23 | 112 | 160 | 3 | 275 | 40.7% | 58.2% | R+17.5 |
| Precinct -000C08000C08 | 131 | 125 | 3 | 259 | 50.6% | 48.3% | D+2.3 |
| Precinct -000922000922 | 177 | 78 | 3 | 258 | 68.6% | 30.2% | D+38.4 |
| Precinct -000813000813 | 73 | 165 | 2 | 240 | 30.4% | 68.8% | R+38.3 |
| Precinct -000C07000C07 | 121 | 66 | 5 | 192 | 63.0% | 34.4% | D+28.6 |
| Precinct -815A815A | 48 | 123 | 2 | 173 | 27.7% | 71.1% | R+43.4 |
| Precinct -000609000609 | 17 | 47 | 0 | 64 | 26.6% | 73.4% | R+46.9 |
| Precinct -903A903A | 39 | 5 | 0 | 44 | 88.6% | 11.4% | D+77.3 |
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +35.4% |
| 1896 | +30.5% |
| 1900 | +52.8% |
| 1904 | +72.4% |
| 1908 | +69.2% |
| 1912 | +78.6% |
| 1916 | +77.0% |
| 1920 | +55.6% |
| 1924 | +53.4% |
| 1928 | +31.4% |
| 1932 | +89.3% |
| 1936 | +70.8% |
| 1940 | +74.0% |
| 1944 | +66.1% |
| 1948 | +7.4% |
| 1952 | +10.8% |
| 1956 | −7.7% |
| 1960 | +21.1% |
| 1964 | −8.2% |
| 1968 | −1.9% |
| 1972 | −55.2% |
| 1976 | −3.6% |
| 1980 | −30.6% |
| 1984 | −53.1% |
| 1988 | −41.4% |
| 1992 | −27.1% |
| 1996 | −27.5% |
| 2000 | −43.6% |
| 2004 | −50.2% |
| 2008 | −53.4% |
| 2012 | −52.3% |
| 2016 | −50.8% |
| 2020 | −44.2% |
| 2024 | −43.8% |
DemocraticRepublican
Congressional elections · 2 Senate races
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 23.9%22,597 | 74.5%70,545 | 94,655 |
| 2020 | R | 23.1%31,599 | 73.6%100,748 | 136,953 |
voter registration
Registered voters
By party of registration, over time
Party registration · 2024R+25.8
Presidential vote · 2024R+43.8
Registration leans Republican; the presidential vote runs 18 points more Democratic.
195,588 registered voters · 2024
domestic migration
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+720 net domestic migration · 2025
20112025
Net +28,178 over 2011–2025 · gain loss
Arrivals reported $73,376 in average income, against $104,711 for residents who stayed — 30% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+2.6 on average — 41 points more Democratic-leaning than St. Tammany Parish, LA itself (R+43.8).
Where arrivals came from lean of each source
- Jefferson Parish, LA1,115R+13.0
- Orleans Parish, LA971D+67.0
- Tangipahoa Parish, LA436R+37.4
- East Baton Rouge Parish, LA228D+11.1
- Pearl River County, MS163R+66.7
- St. Bernard Parish, LA159R+29.3
Where departures went households, 2022–23
- Jefferson Parish, LA593
- Tangipahoa Parish, LA579
- Orleans Parish, LA509
- Pearl River County, MS298
- East Baton Rouge Parish, LA221
- Washington Parish, LA168
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 | +1,262 |
| 2012 | +1,411 |
| 2013 | +2,143 |
| 2014 | +2,284 |
| 2015 | +2,730 |
| 2016 | +2,381 |
| 2017 | +2,551 |
| 2018 | +1,547 |
| 2019 | +1,894 |
| 2021 | +4,885 |
| 2022 | +2,572 |
| 2023 | +1,225 |
| 2024 | +573 |
| 2025 | +720 |
Across Lake Pontchartrain from New Orleans, St. Tammany has absorbed decades of suburban migration and now returns presidential margins exceeding 40 points, making it one of the most reliably one-sided large counties in the Deep South.
Across the recorded series it reached a Democratic high of 89.3 points in 1932 and a Republican high of 55.2 points in 1972. The 2024 margin was 43.8 points.
A population of 272,421, a 72% non-Hispanic-white share, and a median household income of $81,202 describe the county. The county's voting pattern over the last decade is most similar to that of Lafayette Parish and Plaquemines Parish.
Political twins — counties
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Lafayette Parish
Louisiana
85.3twin score
12-yr trendelasticityFrench ancestry≠ % Catholic
Plaquemines Parish
Louisiana
79.3twin score
% CatholicelasticityFrench ancestry≠ 12-yr trend
St. Charles Parish
Louisiana
78.2twin score
elasticityFrench ancestrymedian income≠ 2000 margin
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
St. Tammany Parish, Louisiana. Akashic. https://akashic.app/county/22103/. Accessed May 20, 2026. License: CC BY 4.0.
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Cities & towns in St. Tammany Parish
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Frequently asked questions
How did St. Tammany Parish, Louisiana vote in 2024?
In 2024, St. Tammany Parish, Louisiana voted Republican by 43.8 points (R+43.8), carried by the Republican candidate. Out of 138,384 votes cast, 37,777 went Democratic and 98,377 went Republican.
When did St. Tammany Parish, Louisiana last vote Democratic?
The most recent presidential election in which St. Tammany Parish, Louisiana voted Democratic was 1960.
How many people live in St. Tammany Parish, Louisiana?
St. Tammany Parish, Louisiana has a population of 272,421 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in St. Tammany Parish, Louisiana?
Median household income in St. Tammany Parish, Louisiana is $81,202 — above the national median of $80,734. The Louisiana state median is $60,756.
What is the political history of St. Tammany Parish, Louisiana?
Akashic tracks 38 presidential elections in St. Tammany Parish, Louisiana from 1876 to 2024. Of those, 16 went Democratic and 16 went Republican.