Weekly-updated coverage of House and Senate races, including candidate filings and campaign-finance context sourced from OpenFEC.
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Closely contested races most likely to shape House/Senate control.
Last reviewed 2026-03-01 · 45 day(s) ago.
Georgia Senate
Georgia Senate
Battleground Democratic (Inside Elections)
Democrats need a net +4 seats for Senate control; Georgia is a core hold in that path.
One of the small number of Democratic-held battleground seats in 2026.
Michigan Senate
Michigan Senate
Battleground Democratic (Inside Elections)
A Michigan flip would materially narrow Democrats' path to a Senate majority.
Open-seat dynamics and swing-state volatility keep this contest near the center of control math.
Maine Senate
Maine Senate
Battleground Republican (Inside Elections)
A Democratic pickup in Maine could offset losses in other Senate battlegrounds.
One of the highest-value Republican-held battleground opportunities on the 2026 map.
North Carolina Senate
North Carolina Senate
Battleground Republican (Inside Elections)
North Carolina is a key potential pickup if Democrats are to reach 51 seats.
A recurring swing-state Senate fight that often lands within close margins.
Arizona · District 6
AZ-06
Toss-up (Inside Elections)
With a 220-215 House split, races like AZ-06 can decide who reaches 218.
Included in the top toss-up tier where the margin for error is minimal.
Colorado · District 8
CO-08
Toss-up (Inside Elections)
A small cluster of toss-up districts like CO-08 can swing House control.
Frequently featured in national battleground lists for both parties.
Iowa · District 1
IA-01
Toss-up (Inside Elections)
Every single-seat shift matters in the current narrow House majority.
One of the most competitive Midwestern House battleground districts.
Michigan · District 7
MI-07
Toss-up (Inside Elections)
District-level outcomes in Michigan feed directly into national majority math.
A repeat battleground district in a presidential swing state.
New York · District 17
NY-17
Toss-up (Inside Elections)
New York battleground seats are pivotal in most realistic House-control paths.
One of the highest-profile suburban districts on the 2026 battlefield.
Ohio · District 1
OH-01
Toss-up (Inside Elections)
As one of few true toss-up Democratic-held seats, OH-01 affects both parties' seat targets.
A narrowly balanced district with clear implications for chamber control.
Pennsylvania · District 7
PA-07
Toss-up (Inside Elections)
Pennsylvania is central to House majority arithmetic, with multiple knife-edge districts.
A persistent toss-up seat that regularly appears in majority-control scenarios.
Virginia · District 2
VA-02
Toss-up (Inside Elections)
Control of marginal coastal/suburban districts like VA-02 can decide final House counts.
A durable battleground district in a closely contested statewide environment.
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