Voter file loaded June 8, 2026 · figures are from that file, held as a fixed record
Chemung County, New York has 51,247 active registered voters — 40.9% Republican, 27.4% Democratic, and 25.5% with no party affiliation, as of June 2026.
Party registration
How Chemung County voted for president
Election results are public records.
Chemung County at a glance.
Chemung County had an estimated 81,115 residents in July 2024, the 32nd most populous of New York's 62 counties, down 3.6% since the 2020 census. Of those, 64,365 are 18 or older, the voting-age population, and 21.3% are 65 or older. Its 51,247 active registered voters equal about 79.6% of that voting-age population.
It covers 407 square miles of land (199 people per square mile). The largest towns and cities are Elmira (26,255), Horseheads (18,556), Southport (8,841), Big Flats (7,474) and Elmira (6,549). The American Community Survey (2020-2024) puts it at a median age of 42.0, a median household income of $63,716, 27.2% of adults 25 and older holding a bachelor's degree or higher and 68.4% of occupied homes owned by the people living in them.
In 2024, 37,433 votes were cast for president, about 58.2% of the voting-age population; the Democratic ticket took 41.6% and the Republican ticket 58.4%. The two-party margin moved from R+1.2 in 2008 to R+16.8 in 2024.
- Population (2024 estimate)
- 81,115
- Population (2020 census base)
- 84,152
- Voting-age population (18+)
- 64,365
- Active voters per 100 adults
- 79.6
- Residents 65 and older
- 21.3%
- People per square mile
- 199
- Land area
- 407 sq mi
- Median age
- 42.0
- Median household income
- $63,716
- Adults 25+ with a bachelor's degree
- 27.2%
- Owner-occupied homes
- 68.4%
Largest towns and cities
- Elmira 26,255
- Horseheads 18,556
- Southport 8,841
- Big Flats 7,474
- Elmira 6,549
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 41.6% | 58.4% | R+16.8 | 37,433 |
| 2020 | 42.2% | 55.6% | R+13.4 | 39,410 |
| 2016 | 37.3% | 57.3% | R+20.0 | 33,195 |
| 2012 | 47.8% | 50.7% | R+2.9 | 31,981 |
| 2008 | 48.8% | 50.0% | R+1.2 | 38,695 |
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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