County list
| 1930 | Bornholm | 4 | 24 | 70.83% | 13,729 | 11,698 | 6,120 | 52.32% | 5,577 | 47.67% | 1 | 0.01% | 3,802 |
| 1930 | Frederiksborg | 6 | 69 | 56.52% | 24,093 | 31,173 | 15,758 | 50.55% | 15,402 | 49.41% | 13 | 0.04% | 11,831 |
| 1930 | Haderslev | 5 | 44 | 25.00% | 12,847 | 9,490 | 4,943 | 52.09% | 4,545 | 47.89% | 2 | 0.02% | 4 |
| 1930 | Hjørring | 7 | 95 | 32.63% | 28,249 | 25,390 | 13,059 | 51.43% | 12,330 | 48.56% | 1 | 0.00% | 6,413 |
| 1930 | Holbæk | 7 | 89 | 94.38% | 22,805 | 125,634 | 63,513 | 50.55% | 62,113 | 49.44% | 8 | 0.01% | 90,172 |
| 1930 | København | 4 | 118 | 35.59% | 510,190 | 42,670 | 20,141 | 47.20% | 22,518 | 52.77% | 11 | 0.03% | 20,140 |
| 1930 | Maribo | 6 | 104 | 34.62% | 31,128 | 7,834 | 4,109 | 52.45% | 3,717 | 47.45% | 8 | 0.10% | 4,355 |
| 1930 | Odense | 8 | 115 | 31.30% | 53,509 | 28,466 | 14,565 | 51.17% | 13,900 | 48.83% | 1 | 0.00% | 14,272 |
| 1930 | Præstø | 7 | 94 | 53.19% | 21,012 | 58,177 | 29,627 | 50.93% | 28,493 | 48.98% | 57 | 0.10% | 33,961 |
| 1930 | Randers | 11 | 138 | 37.68% | 32,569 | 35,232 | 17,910 | 50.83% | 17,305 | 49.12% | 17 | 0.05% | 25,484 |
| 1930 | Ribe | 8 | 81 | 37.04% | 30,263 | 9,236 | 4,672 | 50.58% | 4,562 | 49.39% | 2 | 0.02% | 0 |
| 1930 | Ringkøbing | 9 | 127 | 37.01% | 28,527 | 21,083 | 10,785 | 51.15% | 10,297 | 48.84% | 1 | 0.00% | 0 |
| 1930 | Roskilde | 4 | 55 | 47.27% | 15,077 | 11,328 | 5,961 | 52.62% | 5,360 | 47.32% | 7 | 0.06% | 0 |
| 1930 | Skanderborg | 7 | 70 | 31.43% | 32,107 | 10,529 | 5,438 | 51.65% | 5,091 | 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% | 32,008 |
| 1930 | Svendborg | 7 | 103 | 28.16% | 30,477 | 41,973 | 20,514 | 48.87% | 21,450 | 51.10% | 9 | 0.02% | 32,233 |
| 1930 | Sønderborg | 3 | 20 | 10.00% | 9,184 | 18 | 7 | 38.89% | 11 | 61.11% | 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 | 106 | 62 | 58.49% | 44 | 41.51% | 0 | 0.00% | 0 |
| 1930 | Vejle | 9 | 92 | 40.22% | 46,612 | 14,857 | 7,726 | 52.00% | 7,127 | 47.97% | 4 | 0.03% | 2,334 |
| 1930 | Viborg | 12 | 161 | 50.93% | 23,751 | 76,169 | 38,019 | 49.91% | 38,139 | 50.07% | 11 | 0.01% | 10,877 |
| 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 | 40,631 | 21,126 | 51.99% | 19,499 | 47.99% | 6 | 0.01% | 22,577 |
| 1930 | Århus | 6 | 63 | 31.75% | 59,642 | 10,546 | 5,408 | 51.28% | 5,137 | 48.71% | 1 | 0.01% | 7,754 |
| 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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