Voter file loaded June 8, 2026 · figures are from that file, held as a fixed record
Delaware County, New York has 30,153 active registered voters — 42.6% Republican, 27.1% Democratic, and 24.1% with no party affiliation, as of June 2026.
Party registration
How Delaware County voted for president
Election results are public records.
Delaware County at a glance.
Delaware County had an estimated 44,191 residents in July 2024, the 53rd most populous of New York's 62 counties, down 0.3% since the 2020 census. Of those, 37,426 are 18 or older, the voting-age population, and 27.6% are 65 or older. Its 30,153 active registered voters equal about 80.6% of that voting-age population.
It covers 1,443 square miles of land (31 people per square mile). The largest towns and cities are Sidney (5,408), Delhi (5,376), Walton (5,140), Middletown (3,253) and Davenport (2,921). The American Community Survey (2020-2024) puts it at a median age of 48.8, a median household income of $63,337, 27.6% of adults 25 and older holding a bachelor's degree or higher and 77.3% of occupied homes owned by the people living in them.
In 2024, 23,026 votes were cast for president, about 61.5% of the voting-age population; the Democratic ticket took 40.1% and the Republican ticket 59.9%. The two-party margin moved from R+5.2 in 2008 to R+19.8 in 2024.
- Population (2024 estimate)
- 44,191
- Population (2020 census base)
- 44,310
- Voting-age population (18+)
- 37,426
- Active voters per 100 adults
- 80.6
- Residents 65 and older
- 27.6%
- People per square mile
- 31
- Land area
- 1,443 sq mi
- Median age
- 48.8
- Median household income
- $63,337
- Adults 25+ with a bachelor's degree
- 27.6%
- Owner-occupied homes
- 77.3%
Largest towns and cities
- Sidney 5,408
- Delhi 5,376
- Walton 5,140
- Middletown 3,253
- Davenport 2,921
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 40.1% | 59.9% | R+19.8 | 23,026 |
| 2020 | 39.7% | 58.1% | R+18.4 | 23,025 |
| 2016 | 32.8% | 61.9% | R+29.1 | 17,778 |
| 2012 | 44.2% | 53.7% | R+9.5 | 16,916 |
| 2008 | 46.4% | 51.6% | R+5.2 | 20,389 |
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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