County record · fips 18031 · Indiana
DecaturIN
Republican ×15 since 1968all 40 elections, 1868–2024
The Long Record
40 elections against the Indiana and national vote
2024 result
R+59.6
won by Republicans
Record since first cycle
3–37
Dem–Rep two-party wins
Voted with the winner
26/40
65% of its elections
Closest election
1876
R+1.4
this countyIndiananational (official)dot colour = two-party winner · hollow = tie or unknown total · click a dot to open that election
The Biggest Swings
Cycle-over-cycle change in the two-party margin, in points
| Election | Swing | Toward |
|---|---|---|
| 1916 | -34.8 pts | Republicans |
| 1912 | +33.1 pts | Democrats |
| 1964 | +29.3 pts | Democrats |
| 1968 | -29.0 pts | Republicans |
| 1976 | +26.6 pts | Democrats |
Who Lives Here
Census & ACS county profile, 2024
Population
26,422
College (BA+)
20%
Median income
$69,783
2024 dollars
Non-white
7%
Rural
53%
Age 65+
18%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
Bartholomew, IN · Franklin, IN · Jennings, IN · Ripley, IN · Rush, IN · Shelby, IN