WASHINGTON D.C (VINnews)-With 105 days until the midterm elections, control of the U.S. House remains up for grabs as Democrats hold a narrow edge in early assessments.

Fox News Power Rankings identify 16 toss-up districts, with Democrats positioned for a slight advantage but no outcome guaranteed.

The biggest variable could reshape the battlefield before a single ballot is cast: unfinished congressional maps in multiple states. New district lines still being finalized could shift several seats in key battlegrounds including California, Texas and Florida.

“Bill Hemmer explains why those unfinished maps could decide who controls the House,” according to a Fox News segment on “America Reports.”

Mid-decade redistricting efforts have intensified since the last census, with courts, legislatures and voter initiatives altering boundaries in several states. Republicans have pursued gains in Texas and Florida, while Democrats countered with map changes in California. Ongoing litigation and final approvals mean the full impact on the 2026 map remains fluid.

Analysts note that even small shifts from redrawn districts could prove decisive in a narrowly divided chamber. Republicans currently hold a slim majority, but Democrats need only a handful of net gains to flip control.

The dynamic adds uncertainty to an already competitive cycle. While national polling and fundraising trends favor Democrats in the aggregate, localized map changes could blunt or amplify those advantages in specific districts.

Voters head to the polls Nov. 3. Final maps in affected states are expected in the coming weeks, potentially triggering new candidate filings, adjusted campaign strategies and revised forecasts.