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County Results
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The1900 United States presidential election in Illinois took place on November 6, 1900. All contemporary 45 states were part of the1900 United States presidential election. State voters chose 24 electors to theElectoral College, which selected thepresident andvice president.

Illinois was won by theRepublican nominees, incumbent PresidentWilliam McKinley ofOhio and his running mateTheodore Roosevelt ofNew York. They defeated theDemocratic nominees, formerU.S. Representative and 1896 Democratic presidential nomineeWilliam Jennings Bryan and his running mate, formerVice PresidentAdlai Stevenson I. McKinley won the state by a margin of 8.39% in this rematch of the1896 presidential election. The return of economic prosperity and recent victory in theSpanish–American War helped McKinley to score a decisive victory.
Illinois was thetipping-point-state in the 1900 presidential election.
Bryan had previous lost Illinois to McKinleyfour years earlier and would later lose the state again in1908 toWilliam Howard Taft.
| 1900 United States presidential election in Illinois[1] | |||||
|---|---|---|---|---|---|
| Party | Candidate | Votes | Percentage | Electoral votes | |
| Republican | William McKinley (inc.) | 597,985 | 52.83% | 24 | |
| Democratic | William Jennings Bryan | 503,061 | 44.44% | 0 | |
| Prohibition | John G. Woolley | 17,626 | 1.56% | 0 | |
| Social Democratic | Eugene V. Debs | 9,687 | 0.86% | 0 | |
| Socialist Labor | Joseph F. Malloney | 1,373 | 0.12% | 0 | |
| Populist | Wharton Barker | 1,141 | 0.10% | 0 | |
| Union Reform | Seth H. Ellis | 672 | 0.06% | 0 | |
| United Christian | Jonah Leonard | 352 | 0.03% | 0 | |
| Totals | 1,131,897 | 100.00% | 24 | ||
| Voter turnout | — | ||||
| 1900 United States presidential election in Chicago[2] | |||||
|---|---|---|---|---|---|
| Party | Candidate | Votes | Percentage | ||
| Republican | William McKinley | 184,786 | 49.66% | ||
| Democratic | William Jennings Bryan | 177,165 | 47.61% | ||
| Social Democratic | Eugene V. Debs | 6,553 | 1.76% | ||
| Prohibition | John G. Woolley | 2,997 | 0.81% | ||
| Socialist Labor | Joseph F. Malloney | 410 | 0.11% | ||
| Populist | Wharton Barker | 185 | 0.05% | ||
| Totals | 372,096 | 100.00% | |||