2024 results by precinct
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | D | 133,155 | 93,916 | 229,942 | |
| 2020 | D | 138,991 | 91,715 | 236,068 | |
| 2016 | D | 112,337 | 83,649 | 208,440 | |
| 2012 | D | 122,254 | 78,831 | 204,717 | |
| 2008 | D | 129,317 | 84,972 | 218,239 | |
| 2004 | D | 116,381 | 94,006 | 214,625 | |
| 2000 | D | 109,896 | 83,678 | 203,643 | |
| 1996 | D | 100,190 | 73,771 | 194,939 | |
| 1992 | D | 90,645 | 77,642 | 214,907 | |
| 1988 | R | 94,751 | 104,080 | 200,485 | |
| 1984 | R | 81,777 | 121,857 | 204,314 | |
| 1980 | R | 73,453 | 97,887 | 193,280 | |
| 1976 | R | 76,097 | 115,474 | 192,578 | |
| 1972 | R | 61,895 | 140,039 | 202,416 | |
| 1968 | R | 83,576 | 95,806 | 189,865 | |
| 1964 | D | 128,630 | 63,205 | 192,014 | |
| 1960 | R | 90,836 | 107,170 | 198,156 | |
| 1956 | R | 49,918 | 137,852 | 187,770 | |
| 1952 | R | 64,022 | 119,268 | 183,714 | |
| 1948 | R | 66,295 | 84,370 | 156,648 | |
| 1944 | R | 73,562 | 80,507 | 154,638 | |
| 1940 | R | 67,481 | 91,056 | 159,022 | |
| 1936 | R | 62,945 | 80,498 | 146,270 | |
| 1932 | R | 62,227 | 66,363 | 133,219 | |
| 1928 | R | 54,706 | 76,278 | 133,716 | |
| 1924 | R | 24,773 | 65,395 | 100,769 | |
| 1920 | R | 23,308 | 57,008 | 86,047 | |
| 1916 | R | 19,892 | 27,815 | 50,253 | |
| 1912 | R | 15,827 | 16,202 | 45,917 | |
| 1908 | R | 16,643 | 27,209 | 46,355 | |
| 1904 | R | 14,633 | 27,115 | 43,317 | |
| 1900 | R | 14,698 | 24,317 | 40,957 | |
| 1896 | R | 13,695 | 25,032 | 40,141 | |
| 1892 | R | 14,900 | 19,008 | 35,904 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
100.0%
African American
8.6%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 39.6 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$76,945
Onondaga County ranks in the top 25% of US counties.
Onondaga County$76,945
New York$85,974
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
13.8%
Children face moderate poverty.
Children under 1818.0%
Working age (18–64)100.0%
Seniors (65+)18.0%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
0.0%
speak English only
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 47.1% of residents not counted as adherents by any reporting body.
Anchored by Syracuse, Onondaga blends a mid-size post-industrial city with suburban and rural townships, producing a reliably center-left presidential lean that has widened steadily over three decades.
The Democratic margin in Onondaga County reached its widest at thirty-four points in 1964. The margin in 2024 was seventeen points — still decisive.
Onondaga County's loyalty is rooted in its place. Median household income of $76,945, a 75% non-Hispanic-white share, and a population of 471,129 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of New Castle County and Ingham County.
Most similar counties
More in New York
More democratic loyalist counties