Vestfold is one of the 19 multi-member constituencies of the Storting, the national legislature of Norway. The constituency was established in 1921 following the introduction of proportional representation for elections to the Storting. It is conterminous with the county of Vestfold. The constituency currently elects six of the 169 members of the Storting using the open party-list proportional representation electoral system. At the 2025 parliamentary election it had 191,631 registered electors.

Electoral system Vestfold currently elects six of the 169 members of the Storting using the open party-list proportional representation electoral system. Constituency seats are allocated by the County Electoral Committee using the Modified Sainte-Laguë method. Compensatory seats (seats at large or levelling seats) are calculated based on the national vote and are allocated by the National Electoral Committee using the Modified Sainte-Laguë method at the constituency level (one for each constituency). Only parties that reach the 4% national threshold compete for compensatory seats.

Election results Summary Election CommunistsK RedsR / RV / FMS Socialist LeftSV / SF LabourAp GreensMDG CentreSp / Bp / L LiberalsV ChristianDemocratsKrF ConservativesH ProgressFrP / ALP colspan=3 colspan=3 colspan=3 colspan=3 colspan=3 colspan=3 colspan=3 colspan=3 colspan=3 colspan=3 Votes % Seats Votes % Seats Votes % Seats Votes % Seats Votes % Seats Votes % Seats Votes % Seats Votes % Seats Votes % Seats Votes % Seats2025 7,431 4.91% 0 6,189 4.09% 0 41,589 27.49% 2 6,488 4.29% 0 4,982 3.29% 0 5,291 3.50% 0 6,239 4.12% 0 24,968 16.50% 1 41,731 27.58% 32021 6,155 4.43% 0 8,670 6.24% 0 37,518 26.98% 2 5,428 3.90% 0 13,775 9.91% 1 5,771 4.15% 0 4,861 3.50% 0 34,831 25.05% 2 17,271 12.42% 12017 2,602 1.86% 0 6,927 4.95% 0 39,118 27.96% 2 4,107 2.94% 0 8,777 6.27% 0 5,373 3.84% 0 5,159 3.69% 0 42,179 30.14% 3 23,628 16.89% 12013 932 0.68% 0 5,266 3.81% 0 40,869 29.61% 2 3,407 2.47% 0 4,084 2.96% 0 6,228 4.51% 0 6,735 4.88% 0 41,357 29.96% 2 26,977 19.54% 22009 848 0.65% 0 8,551 6.52% 0 44,169 33.69% 3 495 0.38% 0 4,257 3.25% 0 3,944 3.01% 0 6,164 4.70% 0 25,752 19.64% 1 35,687 27.22% 22005 79 0.06% 0 801 0.62% 0 10,808 8.36% 0 39,085 30.24% 3 312 0.24% 0 4,649 3.60% 0 6,513 5.04% 0 7,775 6.02% 0 19,790 15.31% 1 37,886 29.31% 22001 38 0.03% 0 683 0.55% 0 14,308 11.56% 1 26,763 21.62% 2 387 0.31% 0 4,112 3.32% 0 3,507 2.83% 0 13,612 10.99% 1 31,524 25.46% 2 23,122 18.68% 11997 62 0.05% 0 1,315 1.06% 0 6,514 5.26% 0 41,517 33.50% 3 329 0.27% 0 6,947 5.61% 0 4,005 3.23% 0 15,529 12.53% 1 22,384 18.06% 1 24,873 20.07% 21993 649 0.55% 0 7,660 6.51% 0 41,623 35.36% 3 286 0.24% 0 15,588 13.24% 1 3,236 2.75% 0 8,074 6.86% 0 27,167 23.08% 2 11,850 10.07% 11989 664 0.53% 0 10,474 8.28% 1 38,034 30.08% 3 645 0.51% 0 5,713 4.52% 0 3,414 2.70% 0 8,992 7.11% 0 36,579 28.93% 2 20,884 16.52% 11985 90 0.07% 0 464 0.39% 0 4,762 3.95% 0 42,647 35.40% 3 5,360 4.45% 0 3,211 2.67% 0 8,456 7.02% 1 49,234 40.87% 3 5,746 4.77% 01981 131 0.11% 0 588 0.50% 0 3,388 2.91% 0 39,517 33.89% 3 8,616 7.39% 0 9,544 8.18% 0 48,812 41.86% 4 5,446 4.67% 01977 157 0.15% 0 361 0.34% 0 2,741 2.55% 0 42,757 39.81% 3 7,731 7.20% 0 2,984 2.78% 0 10,940 10.19% 1 36,244 33.75% 3 2,139 1.99% 01973 296 0.30% 0 8,919 8.94% 0 33,750 33.84% 3 10,598 10.63% 1 10,287 10.31% 1 26,441 26.51% 2 6,591 6.61% 01969 641 0.65% 0 2,602 2.63% 0 43,781 44.31% 4 13,854 14.02% 1 8,290 8.39% 0 29,647 30.00% 2 1965 666 0.71% 0 4,528 4.83% 0 39,750 42.43% 3 10,057 10.74% 1 8,502 9.08% 1 30,172 32.21% 2 1961 1,825 1.93% 0 44,108 46.64% 4 7,226 7.64% 0 6,569 6.95% 0 5,950 6.29% 0 28,885 30.55% 3 1957 1,622 1.77% 0 43,838 47.78% 4 8,226 8.97% 0 6,172 6.73% 0 31,890 34.76% 3 1953 2,369 2.63% 0 41,628 46.26% 4 6,557 7.29% 0 7,089 7.88% 0 5,773 6.41% 0 26,580 29.53% 3 1949 1,476 2.45% 0 26,077 43.31% 2 10,983 18.24% 1 4,050 6.73% 0 17,442 28.97% 1 1945 3,571 7.22% 0 20,292 41.04% 2 5,457 11.04% 0 6,659 13.47% 0 13,464 27.23% 2 1936 16,404 35.01% 2 5,501 11.74% 0 6,869 14.66% 0 16,964 36.20% 2 1933 145 0.38% 0 11,544 30.03% 1 5,116 13.31% 0 6,397 16.64% 1 13,379 34.80% 2 1930 7,667 21.06% 1 5,962 16.37% 0 5,981 16.43% 1 16,801 46.14% 2 1927 7,928 28.00% 1 5,119 18.08% 1 4,022 14.20% 0 11,248 39.72% 2 1924 227 0.83% 0 3,498 12.85% 0 4,349 15.98% 1 3,871 14.22% 0 13,459 49.46% 3 1921 3,289 13.65% 0 3,362 13.95% 0 3,362 13.95% 1 12,588 52.24% 3 (Excludes compensatory seats. Figures in italics represent joint lists.)

Detailed 2020s 2025 Results of the 2025 parliamentary election held on 8 September 2025:

Party Votes per municipality Totalvotes % SeatsFærder Holme-strand Horten Larvik Sande-fjord Tøns-berg Progress Party FrP 4,170 4,747 4,270 8,353 10,993 9,198 41,731 27.58% 3 0 3 Labour Party Ap 4,770 4,250 5,077 8,331 9,328 9,833 41,589 27.49% 2 0 2 Conservative Party H 3,261 2,095 2,386 4,224 6,766 6,236 24,968 16.50% 1 0 1 Red Party R 889 830 1,047 1,287 1,701 1,677 7,431 4.91% 0 0 0 Green Party MDG 1,016 581 875 932 1,399 1,685 6,488 4.29% 0 1 1 Christian Democratic Party KrF 553 632 518 1,214 1,737 1,585 6,239 4.12% 0 0 0 Socialist Left Party SV 723 535 840 1,141 1,391 1,559 6,189 4.09% 0 0 0 Liberal Party V 696 434 577 797 1,409 1,378 5,291 3.50% 0 0 0 Centre Party Sp 293 778 343 1,179 1,163 1,226 4,982 3.29% 0 0 0 Norway Democrats ND 132 168 133 223 298 274 1,228 0.81% 0 0 0 Pensioners' Party PP 116 109 121 280 289 266 1,181 0.78% 0 0 0 Generation Party GP 133 121 129 194 241 253 1,071 0.71% 0 0 0 Industry and Business Party INP 94 114 117 173 271 200 969 0.64% 0 0 0 Conservative K 64 62 38 168 232 190 754 0.50% 0 0 0 Peace and Justice FOR 57 33 59 79 113 99 440 0.29% 0 0 0 DNI Party DNI 31 43 22 43 69 79 287 0.19% 0 0 0 Welfare and Innovation Party VIP 36 22 29 45 55 72 259 0.17% 0 0 0 Center Party PS 25 18 19 35 43 69 209 0.14% 0 0 0Valid votes 17,059 15,572 16,600 28,698 37,498 35,879 151,306 100.00% 6 1 7Blank votes 126 127 152 208 315 307 1,235 0.81% Rejected votes – other 31 33 20 48 7 27 166 0.11% Total polled 17,216 15,732 16,772 28,954 37,820 36,213 152,707 79.69% Registered electors 20,869 19,600 21,153 36,845 48,585 44,579 191,631 Turnout 82.50% 80.27% 79.29% 78.58% 77.84% 81.23% 79.69%

The following candidates were elected: Constituency seats - Maria-Karine Aasen-Svensrud (Ap); Anne Grethe Hauan (FrP); Erlend Larsen (H); Morten Stordalen (FrP); Bjørn-Kristian Svendsrud (FrP); and Truls Vasvik (Ap). Compensatory seat - Julie Estdahl Stuestøl (MDG).

2021 Results of the 2021 parliamentary election held on 13 September 2021:

Party Votes per municipality Totalvotes % SeatsFærder Holme-strand Horten Larvik Sande-fjord Tøns-berg Labour Party Ap 4,073 3,742 5,026 7,449 8,602 8,626 37,518 26.98% 2 0 2 Conservative Party H 4,777 3,040 3,317 5,879 9,469 8,349 34,831 25.05% 2 0 2 Progress Party FrP 1,719 1,928 1,653 3,814 4,481 3,676 17,271 12.42% 1 0 1 Centre Party Sp 1,040 2,063 1,109 3,006 3,208 3,349 13,775 9.91% 1 0 1 Socialist Left Party SV 1,091 727 1,174 1,548 1,937 2,193 8,670 6.24% 0 1 1 Red Party R 790 568 972 1,053 1,351 1,421 6,155 4.43% 0 0 0 Liberal Party V 853 415 626 914 1,438 1,525 5,771 4.15% 0 0 0 Green Party MDG 829 422 634 838 1,204 1,501 5,428 3.90% 0 0 0 Christian Democratic Party KrF 440 455 399 982 1,296 1,289 4,861 3.50% 0 0 0 Democrats in Norway 188 239 193 329 530 347 1,826 1.31% 0 0 0 The Christians PDK 56 49 44 141 196 176 662 0.48% 0 0 0 Pensioners' Party PP 58 72 72 117 141 102 562 0.40% 0 0 0 Industry and Business Party INP 59 33 48 56 132 75 403 0.29% 0 0 0 Health Party 41 42 58 66 98 78 383 0.28% 0 0 0 Center Party 30 32 35 63 134 87 381 0.27% 0 0 0 Capitalist Party 26 27 16 25 54 50 198 0.14% 0 0 0 Alliance - Alternative for Norway 11 12 16 30 57 20 146 0.11% 0 0 0 Pirate Party of Norway 14 11 15 14 39 32 125 0.09% 0 0 0 People's Action No to More Road Tolls FNB 4 10 9 9 17 22 71 0.05% 0 0 0Valid votes 16,099 13,887 15,416 26,333 34,384 32,918 139,037 100.00% 6 1 7Blank votes 107 95 123 166 213 250 954 0.68% Rejected votes – other 19 20 4 27 13 20 103 0.07% Total polled 16,225 14,002 15,543 26,526 34,610 33,188 140,094 76.57% Registered electors 20,215 18,287 20,475 35,551 46,317 42,116 182,961 Turnout 80.26% 76.57% 75.91% 74.61% 74.72% 78.80% 76.57%

The following candidates were elected: Constituency seats - Maria-Karine Aasen-Svensrud (Ap); Kathrine Kleveland (Sp); Erlend Larsen (H); Morten Stordalen (FrP); Truls Vasvik (Ap); and Lene Westgaard-Halle (H). Compensatory seat - Grete Wold (SV).

2010s 2017 Results of the 2017 parliamentary election held on 11 September 2017:

Party Votes per municipality Totalvotes % SeatsHof Holme-strand Horten Lardal Larvik Nøtter-øy Re Sande Sande-fjord Svel-vik Tjøme Tøns-berg Conservative Party H 438 1,744 4,153 243 6,880 4,573 1,279 1,473 11,319 1,053 965 8,059 42,179 30.14% 3 0 3 Labour Party Ap 477 1,879 5,023 468 7,326 3,429 1,222 1,454 8,806 1,021 714 7,299 39,118 27.96% 2 0 2 Progress Party FrP 278 989 2,308 213 4,882 1,789 948 1,170 5,838 775 522 3,916 23,628 16.89% 1 0 1 Centre Party Sp 299 487 776 292 1,499 437 955 540 1,902 280 159 1,151 8,777 6.27% 0 0 0 Socialist Left Party SV 80 302 954 39 1,085 704 207 184 1,544 124 153 1,551 6,927 4.95% 0 0 0 Liberal Party V 41 226 541 26 861 614 118 192 1,354 89 149 1,162 5,373 3.84% 0 1 1 Christian Democratic Party KrF 54 230 390 39 1,089 416 325 131 1,237 78 68 1,102 5,159 3.69% 0 0 0 Green Party MDG 61 166 540 25 664 478 138 113 903 90 141 788 4,107 2.94% 0 0 0 Red Party R 34 138 478 21 410 260 64 74 482 59 73 509 2,602 1.86% 0 0 0 Health Party 7 34 73 14 127 40 26 27 176 21 9 118 672 0.48% 0 0 0 The Christians PDK 8 20 12 5 100 26 11 4 137 5 3 72 403 0.29% 0 0 0 Capitalist Party 2 20 18 1 28 27 16 16 96 7 6 72 309 0.22% 0 0 0 Pirate Party of Norway 5 10 26 2 32 14 8 7 63 4 9 37 217 0.16% 0 0 0 The Alliance 1 6 18 5 31 21 5 13 48 4 8 26 186 0.13% 0 0 0 Democrats in Norway 3 11 18 3 33 4 5 9 49 4 0 21 160 0.11% 0 0 0 Coastal Party KP 0 3 8 4 12 17 8 4 35 0 8 12 111 0.08% 0 0 0Valid votes 1,788 6,265 15,336 1,400 25,059 12,849 5,335 5,411 33,989 3,614 2,987 25,895 139,928 100.00% 6 1 7Blank votes 11 41 121 12 169 88 44 39 226 36 34 177 998 0.71% Rejected votes – other 0 2 18 2 24 40 6 5 37 3 14 31 182 0.13% Total polled 1,799 6,308 15,475 1,414 25,252 12,977 5,385 5,455 34,252 3,653 3,035 26,103 141,108 77.70% Registered electors 2,303 8,108 19,981 1,829 32,921 16,123 6,831 6,785 44,901 4,873 3,817 33,140 181,612 Turnout 78.12% 77.80% 77.45% 77.31% 76.70% 80.49% 78.83% 80.40% 76.28% 74.96% 79.51% 78.77% 77.70%

The following candidates were elected: Constituency seats - Maria-Karine Aasen-Svensrud (Ap); Dag Terje Andersen (Ap); Erlend Larsen (H); Kårstein Eidem Løvaas (H); Morten Stordalen (FrP); and Lene Westgaard-Halle (H). Compensatory seat - Carl-Erik Grimstad (V).

2013 Results of the 2013 parliamentary election held on 8 and 9 September 2013: