投開票の結果、現職の大井川が3選を果たした。
※当日有権者数：2,342,787人 最終投票率：33.52%（前回比：-1.50pts）
自治体別開票結果[10]
| 市町村 |
大井川和彦 |
田中重博 |
内田正彦 |
|---|
| 得票 | % | 得票 | % |
得票 |
% |
| 合計 |
447,833 | 58.26% | 162,216 | 21.10% |
158,585 |
20.63% |
| 水戸市 |
37,161 | 52.37% | 18,267 | 25.74% |
15,536 |
21.89% |
| 日立市 |
28,496 | 63.17% | 8,022 | 17.78% |
8,590 |
19.04% |
| 土浦市 |
20,016 | 56.11% | 7,086 | 19.86% |
8,569 |
24.02% |
| 古河市 |
16,553 | 58.24% | 5,825 | 20.50% |
6,043 |
21.26% |
| 石岡市 |
11,808 | 60.37% | 4,169 | 21.31% |
3,584 |
18.32% |
| 結城市 |
6,697 | 57.61% | 2,432 | 20.92% |
2,496 |
21.47% |
| 龍ケ崎市 |
9,961 | 53.02% | 4,761 | 25.34% |
4,067 |
21.65% |
| 下妻市 |
6,454 | 59.72% | 2,240 | 20.73% |
2,113 |
19.55% |
| 常総市 |
8,458 | 57.29% | 2,980 | 20.18% |
3,326 |
22.53% |
| 常陸太田市 |
10,384 | 66.07% | 3,135 | 19.95% |
2,197 |
13.98% |
| 高萩市 |
5,119 | 64.64% | 1,546 | 19.52% |
1,254 |
15.84% |
| 北茨城市 |
7,587 | 62.84% | 2,388 | 19.78% |
2,099 |
17.38% |
| 笠間市 |
11,302 | 56.71% | 4,713 | 23.65% |
3,914 |
19.64% |
| 取手市 |
16,705 | 54.95% | 7,295 | 24.00% |
6,400 |
21.05% |
| 牛久市 |
12,948 | 55.02% | 5,796 | 24.63% |
4,791 |
20.36% |
| つくば市 |
34,723 | 51.41% | 16,181 | 23.96% |
16,642 |
24.64% |
| ひたちなか市 |
24,201 | 58.00% | 8,201 | 19.66% |
9,321 |
22.34% |
| 鹿嶋市 |
9,470 | 59.17% | 2,925 | 18.28% |
3,609 |
22.55% |
| 潮来市 |
4,418 | 61.74% | 1,310 | 18.31% |
1,428 |
19.96% |
| 守谷市 |
10,798 | 55.75% | 4,122 | 21.28% |
4,450 |
22.97% |
| 常陸大宮市 |
7,828 | 65.70% | 2,320 | 19.47% |
1,766 |
14.82% |
| 那珂市 |
8,919 | 58.65% | 3,724 | 24.49% |
2,564 |
16.86% |
| 筑西市 |
18,092 | 60.32% | 6,078 | 20.27% |
5,821 |
19.41% |
| 坂東市 |
7,026 | 56.94% | 2,121 | 17.19% |
3,193 |
25.88% |
| 稲敷市 |
5,587 | 61.77% | 1,659 | 18.34% |
1,799 |
19.89% |
| かすみがうら市 |
6,993 | 61.08% | 2,293 | 20.03% |
2,162 |
18.89% |
| 桜川市 |
7,593 | 66.24% | 1,961 | 17.11% |
1,908 |
16.65% |
| 神栖市 |
12,376 | 60.09% | 3,686 | 17.90% |
4,534 |
22.01% |
| 行方市 |
10,562 | 65.27% | 3,156 | 19.50% |
2,465 |
15.23% |
| 鉾田市 |
7,078 | 59.19% | 2,645 | 22.12% |
2,235 |
18.69% |
| つくばみらい市 |
7,874 | 56.91% | 2,869 | 20.73% |
3,094 |
22.36% |
| 小美玉市 |
8,408 | 61.17% | 2,462 | 17.91% |
2,876 |
20.92% |
| 茨城町 |
4,940 | 61.19% | 1,510 | 18.70% |
1,623 |
20.10% |
| 大洗町 |
2,496 | 61.64% | 859 | 21.22% |
694 |
17.14% |
| 城里町 |
3,513 | 64.01% | 1,236 | 22.52% |
739 |
13.47% |
| 東海村 |
9,473 | 65.25% | 2,358 | 16.24% |
2,686 |
18.50% |
| 大子町 |
4,356 | 74.22% | 935 | 15.93% |
578 |
9.85% |
| 美浦村 |
2,156 | 61.69% | 573 | 16.39% |
766 |
21.92% |
| 阿見町 |
7,470 | 56.74% | 2,764 | 21.00% |
2,931 |
22.26% |
| 河内町 |
1,353 | 66.98% | 322 | 15.94% |
345 |
17.08% |
| 八千代町 |
3,536 | 61.92% | 1,035 | 18.12% |
1,140 |
19.96% |
| 五霞町 |
1,302 | 67.53% | 316 | 16.39% |
310 |
16.08% |
| 境町 |
3,111 | 58.90% | 959 | 18.16% |
1,212 |
22.95% |
| 利根町 |
2,532 | 59.89% | 981 | 23.20% |
715 |
16.91% |
|
