All 50 Senate districts, showing the 25 seats on the 2026 general election ballot. Districts not up this cycle (elected in 2024, next up in 2028) are grayed out.
Indiana Senators serve four-year terms on a staggered schedule, so only half the chamber is on the ballot in any given even-numbered year. In 2026, the 25 districts below are up for election; the other 25 were last elected in 2024 and won't be on the ballot again until 2028.
(i) — incumbent
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