Voter file loaded June 8, 2026 · figures are from that file, held as a fixed record
Cattaraugus County, New York has 48,375 active registered voters — 42.7% Republican, 24.9% Democratic, and 25.5% with no party affiliation, as of June 2026.
Party registration
How Cattaraugus County voted for president
Election results are public records.
Cattaraugus County at a glance.
Cattaraugus County had an estimated 75,475 residents in July 2024, the 35th most populous of New York's 62 counties, down 2.0% since the 2020 census. Of those, 59,290 are 18 or older, the voting-age population, and 21.7% are 65 or older. Its 48,375 active registered voters equal about 81.6% of that voting-age population.
It covers 1,308 square miles of land (58 people per square mile). The largest towns and cities are Olean (13,614), Allegany (7,373), Salamanca (5,757), Yorkshire (3,730) and Portville (3,387). The American Community Survey (2020-2024) puts it at a median age of 42.8, a median household income of $59,540, 21.1% of adults 25 and older holding a bachelor's degree or higher and 75.2% of occupied homes owned by the people living in them.
In 2024, 34,010 votes were cast for president, about 57.4% of the voting-age population; the Democratic ticket took 33.6% and the Republican ticket 66.4%. The two-party margin moved from R+10.6 in 2008 to R+32.8 in 2024.
- Population (2024 estimate)
- 75,475
- Population (2020 census base)
- 77,042
- Voting-age population (18+)
- 59,290
- Active voters per 100 adults
- 81.6
- Residents 65 and older
- 21.7%
- People per square mile
- 58
- Land area
- 1,308 sq mi
- Median age
- 42.8
- Median household income
- $59,540
- Adults 25+ with a bachelor's degree
- 21.1%
- Owner-occupied homes
- 75.2%
Largest towns and cities
- Olean 13,614
- Allegany 7,373
- Salamanca 5,757
- Yorkshire 3,730
- Portville 3,387
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 33.6% | 66.4% | R+32.8 | 34,010 |
| 2020 | 34.1% | 63.6% | R+29.5 | 34,845 |
| 2016 | 30.1% | 64.5% | R+34.4 | 28,961 |
| 2012 | 42.4% | 55.8% | R+13.4 | 27,608 |
| 2008 | 43.9% | 54.5% | R+10.6 | 32,617 |
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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