2026 Midterm Landscape: Key Factors Shaping the Battle for Congress

Campaign Finance: Democratic Fundraising Strength vs. GOP War Chest

Democratic Senate candidates out-raised their Republican opponents in the most recent filing period across key races in Maine, North Carolina, Ohio, Alaska, Florida, Iowa, and Texas. Notable fundraising totals include Texas Democratic nominee James Talarico ($27 million in Q1), Georgia Sen. Jon Ossoff ($14 million), and former North Carolina Gov. Roy Cooper (nearly $9 million in his primary account with additional funds in a joint committee). Independent candidates aligned with Democrats also raised more than Republican incumbents in Montana and Nebraska.

Republican party committees and super PACs, including Trump’s MAGA Inc. PAC, hold approximately double the cash on hand compared to Democratic counterparts, with total holdings of nearly $850 million.

Senate Landscape: 35 Seats Up, Democrats Need Net Gain of Four

The Senate currently has 53 Republicans and 47 Democrats. Democrats need a net gain of four seats to secure control. Of the 35 Senate seats up for election, 22 are held by Republicans and 13 by Democrats.

Ten seats are considered competitive: six Republican-held (Maine, North Carolina, Alaska, Ohio, Iowa, Texas) and four Democratic-held (Georgia, Michigan, New Hampshire, Minnesota).

House: Republicans Hold Slim Majority with Three Vacancies

Republicans currently hold a 218-214 majority with three vacancies. To maintain control, they can afford to lose no more than two seats. Of 36 House seats rated as toss-ups or leaning toward a party, 18 are held by each party. However, among toss-up seats alone, 14 are held by Republicans and four by Democrats.

Records show that 51 members of the House (30 Republicans and 21 Democrats) have announced they will not seek reelection in the 2026 cycle.

Some older House Democratic incumbents face well-funded primary challengers, though most incumbents raise the majority of funds in their races. As of recent filings, 22 members of Congress raised less than half of the primary funds in their respective races.

Redistricting Battles Reshape Competitive Districts

Multiple states have undergone or are undergoing mid-decade redistricting, which has reduced the number of competitive congressional districts.

Virginia: The Virginia Supreme Court blocked a congressional map that voters had approved in a referendum, ruling that the legislative process was not correctly followed. The decision overruled over 3 million votes cast. The map could have given Democrats a net gain of up to four House seats.

Louisiana: The U.S. Supreme Court struck down a Louisiana congressional map. Republican Governor Jeff Landry postponed U.S. House primary elections after absentee ballots had been mailed and early voting had begun. Over 100,000 absentee ballots had been cast; state officials instructed polling sites that votes for congressional races would not be counted. The ACLU of Louisiana filed legal challenges.

Texas: The Supreme Court issued a 6-3 decision allowing a new congressional map in Texas to proceed. A lower-court ruling had identified the map as an illegal racial gerrymander, while the high court's majority indicated it appeared to be a legal partisan gerrymander. President Trump expressed hope that the map could result in a net gain of five Republican seats.

Tennessee: Republicans advanced a new map aiming to eliminate the state's sole Democratic-held seat.

Florida: Republicans are pursuing a map that could yield additional seats.

Alabama: The Supreme Court cleared the way for Alabama to change its congressional map following a ruling on the Voting Rights Act. The state announced different election schedules for different congressional districts.

Political analysts estimate that redistricting could result in a net gain of 5 to 14 seats for Republicans.

In response, Democrats are pursuing redistricting efforts in California and potentially Virginia. A judge in Utah approved a map expected to create a new House seat leaning Democratic.

Cook Political Report editor Carrie Dann stated that despite court decisions, Democrats are "favored" to win back the House, estimating a net gain of 5-7 seats for Republicans from redistricting.

Redistricting has dramatically reduced the number of competitive congressional races to an estimated 7% or lower. The Cook Political Report rates only 18 out of 435 House races as "toss-ups," representing less than 5% of seats. According to Unite America, 32 states currently lack a single competitive congressional race.

Special Election Results: Democrats Overperforming

Republicans won a special congressional election in Tennessee's 7th District with a 9-point margin. This represents a 13-point shift from the 2024 election, when the Republican candidate won the district by 22 points. The district is historically conservative; President Trump received approximately 60% of the vote there in 2024.

Analysis from The Downballot indicates that Democrats have, on average, improved upon their 2024 presidential election margins by approximately 11% in special elections during 2026, and roughly 13% since the beginning of 2025.

Specific examples of Democratic overperformance compared to 2024 results:

• FL-1: D+17 shift (2024: R+32, 2025: R+15)
• FL-6: D+19 shift (2024: R+33, 2025: R+14)
• VA-GOV: D+10 shift (2024: D+6, 2025: D+16)
• NJ-GOV: D+8 shift (2024: D+6, 2025: D+14)
• TN-7: D+13 shift (2024: R+22, 2025: R+9)

Tennessee Special Election (TN-7)

The special election in Tennessee's 7th Congressional District received over $6.5 million in external financial contributions from outside groups, including more than $1.6 million from MAGA Inc., a pro-Trump super PAC. Two-thirds of super PAC expenditures occurred in the final two weeks of the campaign.

The election featured Republican candidate Matt Van Epps, a former state Department of General Services Commissioner endorsed by President Trump, and Democratic candidate Aftyn Behn, a state legislator. Both candidates focused campaign messaging on the cost of living and affordability.

High-profile political figures campaigned for both candidates. Former Vice President Kamala Harris and Democratic National Committee Chairman Ken Martin participated in canvassing events for Behn. Former Vice President Al Gore and Rep. Alexandria Ocasio-Cortez headlined a virtual rally for Behn. House Speaker Mike Johnson held a get-out-the-vote rally for Van Epps, during which President Trump delivered a phone message. An Emerson College poll conducted before the election indicated a slight lead for Van Epps, within the margin of error.

Wisconsin Supreme Court Election

Liberal candidate Chris Taylor defeated conservative candidate Maria Lazar with 60% of the vote to 40% in a Wisconsin Supreme Court race, expanding the liberal majority on the court to 5-2. The victory margin exceeded previous liberal wins in nonpartisan court races in 2023 and 2025.

Georgia's 14th Congressional District Special Election

Republican Clay Fuller won a special election runoff with 56% of the vote, while Democrat Shawn Harris received 44%. Harris's share of the vote improved from less than 36% in the 2024 general election against former Rep. Marjorie Taylor Greene.

Voter Sentiment and Public Opinion

Presidential Approval

President Trump's job approval rating averaged 39% in recent polls. An NPR/PBS News/Marist poll reported approval at 37% and disapproval at 59%, with 51% strongly disapproving. Economic approval was 35%. Approval for handling of Iran was 33%. A Pew Research Center study reported a 70% disapproval rate among Latino voters, with a 12-point decline in approval among those who voted for Trump since the start of his second term.

Economic Views

Polls indicate negative public sentiment regarding the economy:

• A Gallup poll reported economic confidence at a 17-month low, with 27% of respondents stating the economy was improving and 68% stating it was worsening.
• An Economist/YouGov poll found 75% of respondents believed tariffs had led to higher prices; 13% supported increased tariffs.
• An ABC/Ipsos poll indicated 70% of respondents reported paying more for groceries and utilities.
• A Vanderbilt University national poll found that over 60% of Trump supporters disagreed that the cost of living had decreased over the past year.
• A Politico/Public First poll found that approximately 40% of Trump voters considered the cost of living at a historic high, attributed responsibility to the president, and perceived insufficient action.
• A Pew Research Center survey found 72% rated the economy as "fair" or "poor," and 38% expected it to worsen in the next year. 52% of respondents believed Trump's policies had negatively affected the economy.

Congressional Ballot

On average, Democrats hold approximately a 5-point lead in polls asking which party voters would prefer to control Congress.

Voter Enthusiasm

A survey reported that 61% of Democrats and 53% of Republicans were "very enthusiastic" to vote in the midterms. Among 2024 Trump voters, 47% expressed this level of enthusiasm.

Primary Turnout: Democratic Surge in Key States

Democratic voter turnout in 2026 primaries has been notable in several states:

• Texas: A record 2.3 million votes were cast in the Democratic primary.
• North Carolina: More votes were cast in the Democratic statewide primary than in the Republican one.
• Mississippi: Democratic primary turnout increased by nearly 80% compared to the 2018 Senate primary.

Analysts note that Democratic primary voters have exhibited higher turnout in lower-turnout special elections, primaries, and non-presidential races since the 2024 election.