Horizon · our Election Day forecast: polls, plus fundamentals like incumbency, fundraising and past results.

Pulse · polls only: where the races stand today, with no fundamentals and wider uncertainty.

What's the difference?

Arkansas · U.S. Senate in Arkansas · Updated Oct 16, 2026

Tom Cotton

RepublicanIncumbent

Incumbent U.S. senator (2015–present)

Electoral history

Earlier races in Arkansas, newest first, matched by name in the results archive.

  1. 2020

    U.S. Senate Nov 3, 2020

    R · 66.5% · 793,871 votes

    Won
  2. 2014

    U.S. Senate Nov 4, 2014

    R · 56.5% · 478,819 votes

    Won
  3. 2012

    U.S. House · AR-4 Nov 6, 2012

    R · 59.5% · 154,149 votes

    Won

Fundraising

Raised
$7M
From individuals
$3.5M
Spent
$7.6M
Cash on hand
$6.8M

Money: FEC, through Sep 30, 2026.

Opponents in 2026