2026CalledUnofficial results

2026 election for Illinois Secretary of State

Secretary of State · Illinois

Alexi Giannoulias (D) won re-election with 64.8% of the vote, defeating Diane Harris (R) by 29.5 points.

Alexi GiannouliasDemocrat · winner · incumbent
64.8%2,631,753
Diane HarrisRepublican
35.2%1,431,184
4,062,937 votes

Source: civicAPI unofficial results and race callsUpdated Nov 7, 2026, 1:34 PM ET

Where the race moved

Against the 2024 presidential vote

Every county, 2024 to 2026

Each dot is a county, sized by votes cast and colored by who carried it in 2026. Dots above the line moved toward Giannoulias compared with the 2024 presidential vote; 98 of 101 did. The largest shift among the bigger counties: Kendall, +24.1 points.

R+80R+80R+40R+40EvenEvenD+40D+40D+80D+80Moved toward Democrats ↑↓ Moved toward RepublicansCookDuPageWillLakeKaneMcHenry2024 presidential margin →2026 margin →

Source: civicAPI county results (unofficial); 2024 president: MEDSL precinct returnsUpdated Nov 7, 2026, 1:34 PM ET

The seat's recent races

EvenD+39.02018D+10.72022D+11.12024 Pres.D+29.52026

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)

By county

CountyShareMarginShift
CookD+63.9+23.4
DuPageD+35.5+22.8
WillD+25.5+24.0
LakeD+41.1+20.8
KaneD+32.8+23.5
McHenryD+16.5+21.7
MadisonD+2.4+15.5
St. ClairD+21.4+13.7
Show 93 more
WinnebagoD+17.4+16.8
SangamonD+13.5+18.3
ChampaignD+37.4+14.2
McLeanD+19.6+14.8
PeoriaD+21.1+16.5
TazewellR+13.7+12.6
KendallD+25.6+24.1
Rock IslandD+29.6+20.2
LaSalleD+1.7+20.0
DeKalbD+21.0+19.0
KankakeeD+1.9+22.4
MaconR+2.9+15.8
AdamsR+38.8+8.2
WilliamsonR+24.8+13.5
OgleR+17.1+11.9
HenryR+12.5+11.7
WhitesideR+1.8+12.7
GrundyR+7.4+21.9
JacksonD+18.2+14.8
BooneD+1.1+15.4
MacoupinR+24.1+14.7
KnoxD+3.3+12.6
ColesR+17.7+10.4
WoodfordR+35.5+6.0
StephensonR+10.7+8.5
EffinghamR+54.1+5.6
MonroeR+23.4+12.5
VermilionR+35.3±0.0
ClintonR+42.4+8.8
MarionR+44.7+4.4
FranklinR+37.8+12.3
JeffersonR+38.2+9.1
LivingstonR+37.8+7.9
BureauR+11.1+12.8
FultonR+8.8+14.8
LeeR+11.2+10.7
ChristianR+27.6+18.7
MorganR+19.5+12.8
RandolphR+36.7+12.8
Jo DaviessR+7.8+8.8
MontgomeryR+27.0+16.5
IroquoisR+44.9+11.9
LoganR+30.1+10.9
McDonoughR+12.7+5.8
ShelbyR+48.2+11.5
JerseyR+36.8+13.0
FayetteR+59.8+4.4
SalineR+37.9+10.6
PiattR+15.2+14.9
CrawfordR+43.5+8.3
WayneR+63.7+6.7
PerryR+46.9+4.5
DouglasR+33.0+12.6
ClarkR+44.7+6.2
MercerR+13.5+13.4
BondR+33.0+11.1
CarrollR+24.2+7.1
De WittR+34.0+10.3
WashingtonR+45.3+11.2
EdgarR+39.7+12.0
WarrenR+16.7+8.1
RichlandR+42.7+10.2
PikeR+48.4+14.8
UnionR+35.1+7.6
ClayR+63.3+3.6
HancockR+51.8−2.5
WhiteR+50.1+8.8
MoultrieR+39.1+9.5
MenardR+25.9+15.1
MasonR+23.5+18.3
FordR+37.2+10.2
MarshallR+24.2+11.3
CumberlandR+54.6+6.8
JohnsonR+50.0+8.0
MassacR+37.9+10.4
GreeneR+45.6+11.5
JasperR+58.1+6.5
LawrenceR+45.5+10.2
CassR+17.4+25.8
WabashR+47.2+6.1
HamiltonR+52.5+10.0
HendersonR+27.3+11.1
EdwardsR+62.7+7.8
PutnamR+1.8+20.6
ScottR+46.6+14.1
PulaskiR+24.8+9.0
CalhounR+35.5+19.9
StarkR+38.7+6.5
SchuylerR+49.6−3.3
GallatinR+32.3+20.6
BrownR+51.5+7.6
PopeR+49.2+10.3
HardinR+48.7+12.1

Bar: share of the state's vote. Shift: change in margin from the 2024 presidential vote, + toward Democrats.

Source: civicAPI county results (unofficial); 2024 president: MEDSL precinct returnsUpdated Nov 7, 2026, 1:34 PM ET

Polls against the result

The final average had Giannoulias ahead by 19.4. Giannoulias won by 29.5: a 10.1-point miss toward Republicans.

R+20EvenD+20Result D+29.5Final average D+19.4Oct 1Nov 3
  • Poll with Giannoulias ahead
  • Poll with Harris ahead
  • Final polling average
  • Result
PollsterDatesSampleGiannouliasHarrisMarginAdjustedMiss vs resultGradeRelease
Public Policy Polling for Chicago News WeeklySep 30–Oct 1569 LV5537D+18D+19.4−11.5B+cnwmedia.com ↗

Adjusted: after correcting for the pollster's house effect and likely-voter screens. Miss: the poll's margin minus the result; + means the poll leaned Democratic. Grade: the pollster's accuracy in past elections, A+ to D (pollster ratings).

Source: Each poll's release, via Wikipedia poll listsUpdated Oct 1, 2026

Pre-election forecast (final, Nov 3)

Our model's last run before Election Day, Nov 3, 2026. It no longer updates.

Alexi Giannoulias
>99%
Diane Harris
<1%
Projected margin
D+21.6
How the forecast works →

Also on this ballot here

U.S. SenateD+24.3
GovernorD+23.5
Attorney GeneralD+23.2
TreasurerD+24.3
ComptrollerD+22.1

Results within this state. Source: civicAPI unofficial results and race callsUpdated Nov 7, 2026, 7:00 PM ET