Indiana State Senate seat · lines in effect since 2022

Indiana Senate District 16

A district of about 136,000 people, 33% of adults with a bachelor's degree. It votes R+19.8 relative to the nation for president.

2024 election

Nov 5, 2024
  1. Justin Busch (R) · won100.0%

Unopposed.

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET

Where it sits among all 50 seats

Every Indiana State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

R+19.821st most
Democratic
Most DemocraticMost Republican26th seat · the majority lineDistrict 16

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every election for this seat

14 races since 1972. District numbers are redrawn after each census: each group is one set of lines.

YearWinnerRunner-upWon by
Lines first used in 2022
2024Justin Busch (R)—Unopposed
Lines first used in 2012
2020Justin Busch (R)Juli Dominguez (D)15.7
2016David C. Long (R)Juli Dominguez (D)32.1
2012David C. Long (R)Charles T. Keen (D)30.3
Lines first used in 2002
2008David C. Long (R)—Unopposed
2004David C. Long (R)—Unopposed
Lines first used in 1992
2000David C. Long (R)Gerald J. Prokopowicz (D)39.0
1996David C. Long (R)Tim Ashby (I)77.4
1992John R. Sinks (R)Geoff Paddock (D)8.9
Lines first used in 1982
1988John R. Sinks (R)Sean Collentine (D)21.4
1984John R. Sinks (R)Gordon W. Anthony (D)27.8
Lines first used in 1972
1980John R. Sinks (R)—Unopposed
1976John R. Sinks (R)Donald W. Rice (D)22.9
1972Phillip E. Gutman (R)Timothy S. Borne (D)9.0

Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Districts that overlap District 16

The state's districts in other chambers that share residents with this one, and the share of District 16's area in each.

U.S. House
IN-3 100%
Indiana House of Representatives
HD-83 46%, HD-18 33%, HD-81 19%

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

2024
PresidentR+19.7
U.S. SenateR+22.9
GovernorR+16.2

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 PM ET

Who lives here, compared

Grey bars show the spread of all 50 seats. Small marks are other seats in Indiana. The black marker is District 16.

Adults with a bachelor's degree33% 73rd pct · 14th of 50 in IN

Higher than 73% of seats.

White adults without a degree55% 43rd pct · 29th of 50 in IN

Lower than 57% of seats.

Hispanic residents7% 47th pct · 27th of 50 in IN

Lower than 53% of seats.

Black residents5% 47th pct · 27th of 50 in IN

Lower than 53% of seats.

Asian residents2% 73rd pct · 14th of 50 in IN

Higher than 73% of seats.

People per square mile283 53rd pct · 24th of 50 in IN

Denser than 53% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET