Research Co.: 31 Oct – 2 Nov 2026
U.S. Senate, general election · likely voters · listed by pollresults. All polls by Research Co..
Rules
| Rule | Result | Why |
|---|---|---|
| Age mix of the sample differs from the benchmark by more than 8 points. | Could not check | no measured benchmark for this state yet |
| The ballot question's wording may lead respondents. | Withheld | decided by a wording judge that is not built or measured |
| Did not disclose crosstabs. | Clear | crosstabs published |
| Did not disclose its basic method: sample size, field dates and how people were reached. | Could not check | we could not read the how people were reached in this poll's documents |
| Did not disclose how the sample was weighted. | Could not check | we could not read the weighting in this poll's documents |
| Party mix of the sample differs from the benchmark by more than 6 points. | Withheld | extraction accuracy below 0.80: party mix of the sample precision 0.67, party mix of the sample recall 0.67 |
| Surveyed registered voters or adults, not likely voters, within 60 days of the election. | Clear | surveyed likely voters |
| Fielded in a single day. | Clear | fielded over 3 days |
| Sample is below 400 for a statewide race (300 for a district). | Clear | sample of 450 meets the threshold of 400 |
| Sponsored by a campaign, party or political committee. | Withheld | extraction accuracy below 0.80: sponsor recall 0.60 |
| First listed more than 21 days after fieldwork ended. | Clear | first listed 0 days after fieldwork ended |
What the poll's documents state
| Fact | Status | Evidence |
|---|---|---|
| Sample size | 450 | “samples of 450 likely voters” (document, page 1) |
| Field start date | 2026-10-31 | “October 31 to November 2, 2026, among representative” (document, page 1) |
| Field end date | 2026-11-02 | “October 31 to November 2, 2026, among representative” (document, page 1) |
| How people were reached | Not checked | |
| Who was surveyed | lv | “samples of 450 likely voters” (document, page 1) |
| Sponsor | Not disclosed | |
| Margin of error | Not checked | |
| Weighting | Not checked | |
| Party mix of the sample | Not disclosed | |
| Age mix of the sample | Not disclosed | |
| Region mix of the sample | Not disclosed | |
| Ballot question wording | Which one of the following candidates would you be most likely to support on Election Day? If you have already voted, please select the candidate you voted for. (Shared wording for every state's Senate race in this document; the intro on page 1 names Colorado first.) | “Which one of the following candidates would you be most likely to support on Election Day? If you have already voted, please select the candidate you voted for.” (document, page 1) |
| Question order | Not disclosed | |
| Crosstabs | yes | “Base: 450 voters in Colorado” (document, page 1) |
| Where respondents came from | Not disclosed |
Documents
- Article or page: https://researchco.ca/2026/11/02/midterms-2026-two/ (kept a copy)
- Topline: https://researchco.ca/wp-content/uploads/2026/11/Release_MidTerms_USA_02Nov2026.pdf (kept a copy)
- Topline: https://researchco.ca/wp-content/uploads/2026/11/Tables_MidTerms_USA_02Nov2026.pdf (kept a copy)