Data as of November 4, 2026 · refreshed automatically from the official Indiana voter file
Miami County, Indiana has 21,581 active registered voters across 24 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 Miami County voted for president
Election results are public records.
Miami County at a glance.
Miami County had an estimated 35,613 residents in July 2024, the 45th most populous of Indiana's 92 counties, down 1.0% since the 2020 census. Of those, 28,308 are 18 or older, the voting-age population, and 19.0% are 65 or older. Its 21,581 active registered voters equal about 76.2% of that voting-age population.
It covers 374 square miles of land (95 people per square mile). The largest cities and towns are Peru (11,003), Converse (part) (875), Bunker Hill (816), Denver (466) and Amboy (310). The American Community Survey (2020-2024) puts it at a median age of 41.5, a median household income of $61,139, 16.1% of adults 25 and older holding a bachelor's degree or higher and 76.2% of occupied homes owned by the people living in them.
In 2024, 13,977 votes were cast for president, about 49.4% of the voting-age population; the Democratic ticket took 21.8% and the Republican ticket 76.3%. The two-party margin moved from R+19.5 in 2008 to R+54.5 in 2024.
- Population (2024 estimate)
- 35,613
- Population (2020 census base)
- 35,961
- Voting-age population (18+)
- 28,308
- Active voters per 100 adults
- 76.2
- Residents 65 and older
- 19.0%
- People per square mile
- 95
- Land area
- 374 sq mi
- Median age
- 41.5
- Median household income
- $61,139
- Adults 25+ with a bachelor's degree
- 16.1%
- Owner-occupied homes
- 76.2%
Largest cities and towns
- Peru 11,003
- Converse (part) 875
- Bunker Hill 816
- Denver 466
- Amboy 310
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 21.8% | 76.3% | R+54.5 | 13,977 |
| 2020 | 22.4% | 75.5% | R+53.1 | 14,473 |
| 2016 | 20.6% | 74.2% | R+53.6 | 13,440 |
| 2012 | 33.1% | 64.0% | R+30.9 | 12,758 |
| 2008 | 39.4% | 58.9% | R+19.5 | 14,113 |
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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