County list
| 1930 | Bornholm | 4 | 24 | 70.83% | 13,729 | 11,698 | 6,120 | 52.32% | 5,577 | 47.67% | 1 | 0.01% | 3,700 |
| 1930 | Frederiksborg | 6 | 69 | 55.07% | 24,093 | 31,170 | 15,758 | 50.56% | 15,401 | 49.41% | 11 | 0.04% | 11,770 |
| 1930 | Haderslev | 5 | 44 | 25.00% | 12,847 | 9,485 | 4,940 | 52.08% | 4,545 | 47.92% | 0 | 0.00% | 0 |
| 1930 | Hjørring | 7 | 95 | 32.63% | 28,249 | 25,390 | 13,058 | 51.43% | 12,331 | 48.57% | 1 | 0.00% | 6,393 |
| 1930 | Holbæk | 7 | 89 | 94.38% | 22,805 | 125,597 | 63,494 | 50.55% | 62,099 | 49.44% | 4 | 0.00% | 87,478 |
| 1930 | København | 4 | 118 | 35.59% | 510,190 | 42,708 | 20,159 | 47.20% | 22,539 | 52.77% | 10 | 0.02% | 19,903 |
| 1930 | Maribo | 6 | 104 | 33.65% | 31,128 | 7,846 | 4,115 | 52.45% | 3,723 | 47.45% | 8 | 0.10% | 4,355 |
| 1930 | Odense | 8 | 115 | 31.30% | 53,509 | 28,473 | 14,568 | 51.16% | 13,904 | 48.83% | 1 | 0.00% | 14,272 |
| 1930 | Præstø | 7 | 94 | 52.13% | 21,012 | 58,176 | 29,625 | 50.92% | 28,494 | 48.98% | 57 | 0.10% | 33,302 |
| 1930 | Randers | 11 | 138 | 37.68% | 32,569 | 35,231 | 17,910 | 50.84% | 17,305 | 49.12% | 16 | 0.05% | 25,463 |
| 1930 | Ribe | 8 | 81 | 37.04% | 30,263 | 9,252 | 4,680 | 50.58% | 4,571 | 49.41% | 1 | 0.01% | 0 |
| 1930 | Ringkøbing | 9 | 127 | 36.22% | 28,527 | 21,085 | 10,787 | 51.16% | 10,298 | 48.84% | 0 | 0.00% | 0 |
| 1930 | Roskilde | 4 | 55 | 45.45% | 15,077 | 11,327 | 5,960 | 52.62% | 5,360 | 47.32% | 7 | 0.06% | 0 |
| 1930 | Skanderborg | 7 | 70 | 31.43% | 32,107 | 10,532 | 5,440 | 51.65% | 5,092 | 48.35% | 0 | 0.00% | 3,335 |
| 1930 | Sorø | 5 | 92 | 64.13% | 27,734 | 40,066 | 20,819 | 51.96% | 19,246 | 48.04% | 1 | 0.00% | 31,680 |
| 1930 | Svendborg | 7 | 103 | 29.13% | 30,477 | 41,977 | 20,516 | 48.87% | 21,452 | 51.10% | 9 | 0.02% | 31,017 |
| 1930 | Sønderborg | 3 | 20 | 15.00% | 9,184 | 39 | 17 | 43.59% | 22 | 56.41% | 0 | 0.00% | 0 |
| 1930 | Thisted | 7 | 99 | 97.98% | 14,526 | 73,709 | 37,506 | 50.88% | 36,203 | 49.12% | 0 | 0.00% | 3,541 |
| 1930 | Tønder | 5 | 35 | 37.14% | 7,221 | 1,322 | 683 | 51.66% | 634 | 47.96% | 5 | 0.38% | 3 |
| 1930 | Vejle | 9 | 92 | 40.22% | 46,612 | 14,859 | 7,726 | 52.00% | 7,129 | 47.98% | 4 | 0.03% | 2,334 |
| 1930 | Viborg | 12 | 161 | 50.93% | 23,751 | 76,168 | 38,023 | 49.92% | 38,141 | 50.07% | 4 | 0.01% | 10,875 |
| 1930 | Åbenrå | 3 | 20 | 25.00% | 7,637 | 65 | 38 | 58.46% | 27 | 41.54% | 0 | 0.00% | 0 |
| 1930 | Ålborg | 8 | 124 | 60.48% | 46,798 | 40,672 | 21,146 | 51.99% | 19,520 | 47.99% | 6 | 0.01% | 22,557 |
| 1930 | Århus | 6 | 63 | 33.33% | 59,642 | 10,563 | 5,415 | 51.26% | 5,148 | 48.74% | 0 | 0.00% | 7,537 |
| 1930 | Dansk Vestindiske øer | 3 | 30 | 0.00% | 0 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1930 | Færøerne | 6 | 39 | 0.00% | 0 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1930 | Grønland | 1 | 15 | 0.00% | 0 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
| 1930 | Slesvig-Holsten | 13 | 674 | 0.00% | 0 | 0 | 0 | 0.00% | 0 | 0.00% | 0 | 0.00% | |
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