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Alton township, IL


Madison County, IL

Tracts in this county

   

2022 population: 25,642   ( 2,223 from 2010 )
Land area: 15.7 square miles
Population density: 1635.3 persons per square mile

2022 Census data
White:16,717 65.19% 11.0%
Black:6,31324.62% 14.4%
Indian:330.13% 37.7%
Asian:2350.92% 66.7%
2+ races:1,6176.31% 70.4%
Hispanic:6352.48% 18.5%
Total non-White:8,92534.81% 1.7%

2010-2022 ComponentsNumberRate
Change in White population:-2,068 -9.0
Change in Non-White pop.:-155 -0.7



Historical Presidential Election Results for Alton township, IL

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +130 D +232 D + 1.4%
D +362
2020 vs. 2012 R +762 R +1,811 R + 15.8%
D -1,049
2020 vs. 2008 R +643 R +2,450 R + 18.6%
D -1,807
2016 vs. 2008 R +513 R +2,682 R + 20.0%
D -2,169
How to interpret this table


Click on the Year to view municipality-level data for this county.
(Some years may be unavailable)

YearTurnout WinnerRunner-Up OtherTotal Votes Diff
(St) 		Diff
(US) 		PSV
2020 56% Joe Biden (D) 6,398 57.4% Donald Trump* (R) 4,480 40.2% 270 2.4% 11,148 0 -7 0.18%
2016 54% Hillary Clinton (D) 6,036 54.3% Donald Trump (R) 4,350 39.1% 736 6.6% 11,122 1 -7 0.20%
2012 55% Barack Obama* (D) 7,447 64.8% Mitt Romney (R) 3,718 32.3% 334 2.9% 11,499 -8 -15 0.22%
2008 57% Barack Obama (D) 8,205 66.9% John McCain (R) 3,837 31.3% 229 1.9% 12,271 -5 -14 0.22%
2000 50% Albert Gore, Jr. (D) 6,966 62.3% George W. Bush (R) 3,838 34.3% 385 3.4% 11,189 -8 -14 0.24%
* incumbent         PSV: percent of state vote



2020 President, Alton township
CandidateVotesPct
Joe Biden (D) 6,398 57.4%
Donald Trump* (R) 4,480 40.2%
Jo Jorgensen (Lbt) 157 1.4%
Other 113 1.0%
TOTAL 11,148
Turnout: 56% Diff (St): 0 Diff (US): -7


2016 President, Alton township
CandidateVotesPct
Hillary Clinton (D) 6,036 54.3%
Donald Trump (R) 4,350 39.1%
Gary Johnson (Lbt) 405 3.6%
Other 331 3.0%
TOTAL 11,122
Turnout: 54% Diff (St): 1 Diff (US): -7


2012 President, Alton township
CandidateVotesPct
Barack Obama* (D) 7,447 64.8%
Mitt Romney (R) 3,718 32.3%
Other 334 2.9%
TOTAL 11,499
Turnout: 55% Diff (St): -8 Diff (US): -15


2008 President, Alton township
CandidateVotesPct
Barack Obama (D) 8,205 66.9%
John McCain (R) 3,837 31.3%
Other 229 1.9%
TOTAL 12,271
Turnout: 57% Diff (St): -5 Diff (US): -14


2000 President, Alton township
CandidateVotesPct
George W. Bush (R) 3,838 34.3%
Albert Gore, Jr. (D) 6,966 62.3%
Ralph Nader (Grn) 265 2.4%
Other 120 1.1%
TOTAL 11,189
Turnout: 50% Diff (St): -8 Diff (US): -14
* incumbent

Historical Statewide Election Results for Alton township, IL

Click on the Year to view county-level data for that election.
(Some years may be unavailable)

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2022 S3 36% Tammy Duckworth* (D) 4,254 59.3% Kathy Salvi (R) 2,783 38.8% 140 [+] 2.0% 7,177 -3 0.18%
2022 G 36% J.B. Pritzker* (D) 4,009 55.7% Darren Bailey (R) 2,938 40.8% 255 [+] 3.5% 7,202 -2 0.18%
2020 S2 55% Richard Durbin* (D) 6,419 58.3% Mark Curran (R) 4,149 37.7% 450 [+] 4.1% 11,018 -1 0.18%
2018 G 42% J.B. Pritzker (D) 5,147 60.1% Bruce Rauner* (R) 2,659 31.1% 751 [+] 8.8% 8,557 -8 0.19%
2016 S3 53% Tammy Duckworth (D) 6,900 63.3% Mark Kirk* (R) 3,326 30.5% 671 [+] 6.2% 10,897 -9 0.20%
2014 S2 32% Richard Durbin* (D) 3,975 59.6% Jim Oberweis (R) 2,340 35.1% 359 [+] 5.4% 6,674 -8 0.19%
2014 G 32% Pat Quinn* (D) 3,510 52.8% Bruce Rauner (R) 2,698 40.5% 446 [+] 6.7% 6,654 -10 0.18%
*: incumbent               +: ran on additional party lines               Type: G: Governor; S1,S2,S3: Senate Class 1, 2 or 3
italics: special election           RO: runoff election           PSV: percent of state vote