2018年美国众议院选举
选举评级 > 一般选票民调

| Feb 9–11, 2018 | 公共政策民调 | 注册选民 | 49% | 41% | D+8 |
| Feb 9–13, 2018 | 益普索/路透社 | 成年人 | 39% | 30% | D+9 |
| Feb 11–13, 2018 | YouGov/经济学人 | 注册选民 | 42% | 38% | D+4 |
| Feb 16–19, 2018 | Quinnipiac University | 注册选民 | 53% | 38% | D+15 |
| Feb 16–19, 2018 | Harvard-Harris | 注册选民 | 41% | 36% | D+5 |
| Feb 16–20, 2018 | 益普索/路透社 | 成年人 | 38% | 30% | D+8 |
| Feb 18–20, 2018 | YouGov/经济学人 | 注册选民 | 43% | 35% | D+8 |
| Feb 20–21, 2018 | Marist | 注册选民 | 46% | 39% | D+7 |
| Feb 20–23, 2018 | CNN | 注册选民 | 54% | 38% | D+16 |
| Feb 20–24, 2018 | USA Today/Suffolk | 注册选民 | 47% | 32% | D+15 |
| Feb 23–27, 2018 | 益普索/路透社 | 成年人 | 37% | 31% | D+6 |
| Feb 25–27, 2018 | YouGov/经济学人 | 注册选民 | 40% | 38% | D+2 |
| Mar 1–4, 2018 | 拉斯穆森 Reports | 可能选民 | 46% | 40% | D+6 |
| Mar 2–5, 2018 | Monmouth | 注册选民 | 50% | 41% | D+9 |
| Mar 3–5, 2018 | Quinnipiac University | 注册选民 | 48% | 38% | D+10 |
| Mar 2–6, 2018 | 益普索/路透社 | 成年人 | 38% | 31% | D+7 |
| Mar 4–6, 2018 | YouGov/经济学人 | 注册选民 | 43% | 37% | D+6 |
| Mar 4–8, 2018 | GWU/Battleround | 注册选民 | 49% | 40% | D+9 |
| Mar 9–13, 2018 | 益普索/路透社 | 注册选民 | 48% | 30% | D+8 |
| Mar 10–13, 2018 | YouGov/经济学人 | 注册选民 | 43% | 38% | D+5 |
| Mar 10–14, 2018 | 国家广播公司/华尔街日报 | 注册选民 | 50% | 40% | D+10 |
| Mar 16–20, 2018 | 益普索/路透社 | 注册选民 | 40% | 37% | D+3 |
| Mar 16–20, 2018 | Quinnipiac | 注册选民 | 49% | 43% | D+6 |
| Mar 18–20, 2018 | YouGov/经济学人 | 注册选民 | 44% | 38% | D+6 |
| Mar 18–21, 2018 | 福斯新闻 | 注册选民 | 46% | 41% | D+5 |
| Mar 19–21, 2018 | Marist | 注册选民 | 44% | 39% | D+5 |
| Mar 23–25, 2018 | 公共政策民调 | 注册选民 | 50% | 39% | D+11 |
| Mar 22–25, 2018 | CNN | 注册选民 | 50% | 44% | D+6 |
| Mar 25–27, 2018 | YouGov/经济学人 | 注册选民 | 42% | 35% | D+7 |
| Mar 23–27, 2018 | 益普索/路透社 | 注册选民 | 42% | 35% | D+7 |
| Mar 27–29, 2018 | Harvard-Harris | 注册选民 | 45% | 34% | D+11 |
| Mar 30 – April 3, 2018 | 益普索/路透社 | 注册选民 | 43% | 34% | D+9 |
| Apr 8–9, 2018 | 拉斯穆森 Reports | 可能选民 | 45% | 40% | D+5 |
| Apr 8–10, 2018 | YouGov/经济学人 | 注册选民 | 44% | 36% | D+8 |
| Apr 6–10, 2018 | 益普索/路透社 | 注册选民 | 44% | 34% | D+10 |
| Apr 6–9, 2018 | Quinnipac | 注册选民 | 46% | 43% | D+3 |
| May 11–15, 2018 | 路透社/益普索 | 注册选民 | 38% | 37% | D+1 |
| May 13–15, 2018 | 经济学人/YouGov | 注册选民 | 42% | 37% | D+5 |
| May 13–17, 2018 | 拉斯穆森 | 可能选民 | 43% | 42% | D+1 |
| May 18–22, 2018 | 路透社/益普索 | 注册选民 | 39% | 37% | D+2 |
| May 20–22, 2018 | 经济学人/YouGov | 注册选民 | 43% | 38% | D+5 |
| May 21–22, 2018 | Harvard-Harris | 注册选民 | 44% | 37% | D+7 |
| May 21–25, 2018 | 拉斯穆森 | 可能选民 | 43% | 42% | D+1 |
| May 25–29, 2018 | 路透社/益普索 | 注册选民 | 39% | 37% | D+2 |
| May 27–29, 2018 | 经济学人/YouGov | 注册选民 | 42% | 39% | D+3 |
| May 27–31, 2018 | 拉斯穆森 | 可能选民 | 45% | 41% | D+4 |
| May 29 – June 5, 2018 | IBD/TIPP | 成年人 | 47% | 40% | D+7 |
| May 31 – June 5, 2018 | Quinnipiac | 注册选民 | 47% | 40% | D+7 |
| Jun 1–4, 2018 | 国家广播公司/华尔街日报 | 注册选民 | 50% | 40% | D+10 |
| Jun 1–5, 2018 | 路透社/益普索 | 注册选民 | 43% | 32% | D+11 |
| Jun 3–5, 2018 | 经济学人/YouGov | 注册选民 | 44% | 38% | D+6 |
| Jun 3–6, 2018 | 福斯新闻 | 注册选民 | 48% | 39% | D+9 |
| Jun 3–7, 2018 | 拉斯穆森 | 可能选民 | 44% | 40% | D+4 |
| Jun 5–12, 2018 | Pew Research Center | 注册选民 | 48% | 43% | D+5 |
| Jun 8–10, 2018 | 公共政策民调 | 注册选民 | 46% | 40% | D+6 |
| Jun 8–12, 2018 | 路透社/益普索 | 注册选民 | 45% | 35% | D+10 |
| Jun 10–12, 2018 | 经济学人/YouGov | 注册选民 | 43% | 37% | D+6 |
| Jun 10–14, 2018 | 拉斯穆森 | 可能选民 | 45% | 41% | D+4 |
| Jun 12–13, 2018 | Monmouth | 注册选民 | 48% | 41% | D+7 |
| Jun 11–17, 2018 | Gallup | 注册选民 | 48% | 43% | D+5 |
| Jun 14–17, 2018 | CNN | 注册选民 | 50% | 42% | D+8 |
| Jun 14–17, 2018 | Quinnipiac | 注册选民 | 49% | 43% | D+6 |
| Jun 13–18, 2018 | USA Today/Suffolk | 注册选民 | 45% | 39% | D+6 |
| Jun 15–19, 2018 | 路透社/益普索 | 注册选民 | 42% | 36% | D+6 |
| Jun 17–19, 2018 | 经济学人/YouGov | 注册选民 | 44% | 37% | D+7 |
| Jun 17–21, 2018 | 拉斯穆森 | 可能选民 | 45% | 41% | D+4 |
| Jun 24–25, 2018 | Harvard-Harris | 注册选民 | 45% | 36% | D+9 |
| Jun 22–26, 2018 | 路透社/益普索 | 注册选民 | 41% | 38% | D+3 |
| Jun 24–26, 2018 | 经济学人/YouGov | 注册选民 | 43% | 38% | D+5 |
| Jun 21–29, 2018 | IBD/TIPP | 成年人 | 48% | 40% | D+8 |
| Jun 27 – July 1, 2018 | Quinnipiac | 注册选民 | 50% | 41% | D+9 |
| Jun 28 – July 2, 2018 | 路透社.益普索 | 注册选民 | 44% | 34% | D+10 |
| Jun 24–28, 2018 | 拉斯穆森 | 可能选民 | 46% | 40% | D+6 |
| Jul 1–3, 2018 | 经济学人/YouGov | 注册选民 | 42% | 38% | D+4 |
| Jul 1–5, 2018 | 拉斯穆森 | 可能选民 | 48% | 40% | D+8 |
| Jul 6–7, 2018 | Emerson | 注册选民 | 49% | 42% | D+7 |
| Jul 8–10, 2018 | 经济学人/YouGov | 注册选民 | 42% | 38% | D+4 |
| Jul 9–11, 2018 | 福斯新闻 | 注册选民 | 48% | 40% | D+8 |
| Jul 13–17, 2018 | 路透社/益普索 | 注册选民 | 44% | 35% | D+9 |
| Jul 8–12, 2018 | 拉斯穆森 | 可能选民 | 46% | 41% | D+5 |
| Jul 15–17, 2018 | 经济学人/YouGov | 注册选民 | 45% | 37% | D+8 |
| Jul 15–18, 2018 | 国家广播公司/华尔街日报 | 注册选民 | 49% | 43% | D+6 |
| Jul 15–19, 2018 | 拉斯穆森 | 可能选民 | 47% | 40% | D+7 |
| Jul 19–22, 2018 | NPR/PBS News Hour/Marist | 注册选民 | 47% | 40% | D+7 |
| Jul 18–23, 2018 | Quinnipiac | 注册选民 | 51% | 39% | D+12 |
| Jul 20–24, 2018 | 路透社/益普索 | 注册选民 | 42% | 37% | D+5 |
| Jul 22–24, 2018 | 经济学人/YouGov | 注册选民 | 44% | 38% | D+6 |
| Jul 24–25, 2018 | Harvard-Harris | 注册选民 | 43% | 36% | D+7 |
| OCT. 28-NOV. 3, 2018 | 南加大Dornsife/洛杉矶时报 | 可能选民 | 56% | 41% | D+15 |
| NOV. 1-3, 2018 | 国家广播公司/华尔街日报 | 可能选民 | 50% | 43% | D+7 |
| NOV. 1-3, 2018 | CNN/SSRS | 可能选民 | 55% | 42% | D+13 |
| NOV. 2-3, 2018 | Harris Interactive | 注册选民 | 43% | 37% | D+6 |
| NOV. 3-5, 2018 | Harris Interactive | 可能选民 | 51% | 41% | D+10 |