U.S. Senate
Don Tracy
70.8%8,840
Juliana Stratton
27.9%3,482
Whitfield Harrington
1.3%163
Statewide: Juliana Stratton wins. Called.
Jefferson County, Illinois
2026 election results. Darren Bailey (R) got 74% of the vote for governor in Jefferson County. The margin is 3.5 points more Republican than the 2024 presidential vote here.
2026 results in Jefferson County
Governor
Darren Bailey
73.8%9,276
JB Pritzker
23.4%2,937
Collin Corbett
2.8%352
Statewide: JB Pritzker wins. Called.
U.S. House: Illinois 12th District
Mike Bost
72.6%9,039
Julie Fortier
27.4%3,409
Whole district: Mike Bost wins. Called.
The leader in Jefferson County is only who has the most votes counted here. Races are won statewide or district-wide, and only the race pages report calls. Last vote update here Nov 3, 7:53 PM.
Compared with 2024
| Race | Margin | 2024 president | Shift |
|---|---|---|---|
| IL Senate | R +43.5 | R +48.4 | D +4.9 |
| IL Governor | R +51.9 | R +48.4 | R +3.5 |
| IL-12 | R +45.2 | — | — |
Margins compare the Democrat and the Republican only. The 2024 column is the presidential margin in the same places as each race's votes here. Shift is this year's margin minus it, shown once at least 90% of the expected vote is counted. A dash means there's no 2024 figure for those exact places.
How Jefferson County has voted for president
| Year | Democrat | Share | Republican | Share | Margin |
|---|---|---|---|---|---|
| 2024 | Kamala Harris | 25.6% | Donald Trump | 73.6% | R +48.0 |
| 2020 | Joe Biden | 26.5% | Donald Trump | 71.7% | R +45.2 |
| 2016 | Hillary Clinton | 26.0% | Donald Trump | 68.8% | R +42.8 |
| 2012 | Barack Obama | 37.3% | Mitt Romney | 60.1% | R +22.8 |
| 2008 | Barack Obama | 43.5% | John McCain | 54.3% | R +10.7 |
| 2004 | John Kerry | 39.6% | George W. Bush | 59.9% | R +20.3 |
| 2000 | Al Gore | 43.5% | George W. Bush | 54.4% | R +10.9 |
Shares are of all presidential votes, and the margin is the Democrat's share minus the Republican's. Since 2000, the presidential margin here has moved R +37.1.
Other counties in Illinois
Illinois results- Adams County
- Alexander County
- Bond County
- Boone County
- Brown County
- Bureau County
- Calhoun County
- Carroll County
- Cass County
- Champaign County
- Christian County
- Clark County
- Clay County
- Clinton County
- Coles County
- Cook County
- Crawford County
- Cumberland County
- De Witt County
- DeKalb County
- Douglas County
- DuPage County
- Edgar County
- Edwards County
- Effingham County
- Fayette County
- Ford County
- Franklin County
- Fulton County
- Gallatin County
- Greene County
- Grundy County
- Hamilton County
- Hancock County
- Hardin County
- Henderson County
- Henry County
- Iroquois County
- Jackson County
- Jasper County
- Jersey County
- Jo Daviess County
- Johnson County
- Kane County
- Kankakee County
- Kendall County
- Knox County
- Lake County
- LaSalle County
- Lawrence County
- Lee County
- Livingston County
- Logan County
- Macon County
- Macoupin County
- Madison County
- Marion County
- Marshall County
- Mason County
- Massac County
- McDonough County
- McHenry County
- McLean County
- Menard County
- Mercer County
- Monroe County
- Montgomery County
- Morgan County
- Moultrie County
- Ogle County
- Peoria County
- Perry County
- Piatt County
- Pike County
- Pope County
- Pulaski County
- Putnam County
- Randolph County
- Richland County
- Rock Island County
- Saline County
- Sangamon County
- Schuyler County
- Scott County
- Shelby County
- St. Clair County
- Stark County
- Stephenson County
- Tazewell County
- Union County
- Vermilion County
- Wabash County
- Warren County
- Washington County
- Wayne County
- White County
- Whiteside County
- Will County
- Williamson County
- Winnebago County
- Woodford County
Sources & scope
Votes for 2026 come from the count this site reads, by county. They're unofficial until Illinois certifies them. Past presidential votes are from MEDSL and VEST, via Polling Forecast. Illinois's own results, deadlines and offices are on the state page.