Data as of November 4, 2026 · refreshed automatically from the official Indiana voter file
Shelby County, Indiana has 30,794 active registered voters across 38 precincts, as of November 2026.
Party registration
Indiana doesn't register voters by party, so there's no party breakdown to show. Party lean is usually inferred from primary participation; that data is in the voter file and available inside Motion51.
How Shelby County voted for president
Election results are public records.
Shelby County at a glance.
Shelby County had an estimated 45,654 residents in July 2024, the 33rd most populous of Indiana's 92 counties, up 1.3% since the 2020 census. Of those, 35,592 are 18 or older, the voting-age population, and 19.9% are 65 or older. Its 30,794 active registered voters equal about 86.5% of that voting-age population.
It covers 411 square miles of land (111 people per square mile). The largest cities and towns are Shelbyville (20,845), Morristown (1,197), Fairland (540), St. Paul (part) (379) and Edinburgh (part) (193). The American Community Survey (2020-2024) puts it at a median age of 41.5, a median household income of $72,190, 21.9% of adults 25 and older holding a bachelor's degree or higher and 72.5% of occupied homes owned by the people living in them.
In 2024, 19,754 votes were cast for president, about 55.5% of the voting-age population; the Democratic ticket took 25.1% and the Republican ticket 73.1%. The two-party margin moved from R+19.0 in 2008 to R+48.0 in 2024.
- Population (2024 estimate)
- 45,654
- Population (2020 census base)
- 45,053
- Voting-age population (18+)
- 35,592
- Active voters per 100 adults
- 86.5
- Residents 65 and older
- 19.9%
- People per square mile
- 111
- Land area
- 411 sq mi
- Median age
- 41.5
- Median household income
- $72,190
- Adults 25+ with a bachelor's degree
- 21.9%
- Owner-occupied homes
- 72.5%
Largest cities and towns
- Shelbyville 20,845
- Morristown 1,197
- Fairland 540
- St. Paul (part) 379
- Edinburgh (part) 193
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 25.1% | 73.1% | R+48.0 | 19,754 |
| 2020 | 25.1% | 72.9% | R+47.8 | 19,991 |
| 2016 | 23.7% | 70.9% | R+47.2 | 17,935 |
| 2012 | 32.0% | 65.5% | R+33.5 | 16,743 |
| 2008 | 39.8% | 58.8% | R+19.0 | 17,574 |
Sources: U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer; American Community Survey 2020–2024 5-year estimates; certified county presidential returns. Growth, density and turnout are simple arithmetic on those figures.
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