Voter file loaded June 8, 2026 · figures are from that file, held as a fixed record
Schenectady County, New York has 102,491 active registered voters — 23.0% Republican, 38.5% Democratic, and 31.1% with no party affiliation, as of June 2026.
Party registration
How Schenectady County voted for president
Election results are public records.
Schenectady County at a glance.
Schenectady County had an estimated 162,261 residents in July 2024, the 21st most populous of New York's 62 counties, up 2.7% since the 2020 census. Of those, 127,935 are 18 or older, the voting-age population, and 18.4% are 65 or older. Its 102,491 active registered voters equal about 80.1% of that voting-age population.
It covers 205 square miles of land (793 people per square mile). The largest towns and cities are Schenectady (69,495), Rotterdam (30,981), Glenville (29,675), Niskayuna (24,038) and Duanesburg (5,982). The American Community Survey (2020-2024) puts it at a median age of 39.6, a median household income of $79,623, 36.1% of adults 25 and older holding a bachelor's degree or higher and 64.0% of occupied homes owned by the people living in them.
In 2024, 71,708 votes were cast for president, about 56.1% of the voting-age population; the Democratic ticket took 55.4% and the Republican ticket 44.6%. The two-party margin moved from D+12.7 in 2008 to D+10.8 in 2024.
- Population (2024 estimate)
- 162,261
- Population (2020 census base)
- 158,045
- Voting-age population (18+)
- 127,935
- Active voters per 100 adults
- 80.1
- Residents 65 and older
- 18.4%
- People per square mile
- 793
- Land area
- 205 sq mi
- Median age
- 39.6
- Median household income
- $79,623
- Adults 25+ with a bachelor's degree
- 36.1%
- Owner-occupied homes
- 64.0%
Largest towns and cities
- Schenectady 69,495
- Rotterdam 30,981
- Glenville 29,675
- Niskayuna 24,038
- Duanesburg 5,982
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 55.4% | 44.6% | D+10.8 | 71,708 |
| 2020 | 56.8% | 41.1% | D+15.7 | 74,826 |
| 2016 | 50.1% | 44.2% | D+5.9 | 61,629 |
| 2012 | 56.7% | 41.3% | D+15.4 | 59,614 |
| 2008 | 55.3% | 42.6% | D+12.7 | 69,842 |
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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