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Algonquin township, IL


McHenry County, IL

Tracts in this county

   

2022 population: 87,879   ( 510 from 2010 )
Land area: 46.5 square miles
Population density: 1890.3 persons per square mile

2022 Census data
White:69,080 78.61% 8.0%
Black:1,2771.45% 46.4%
Indian:1070.12% 5.3%
Asian:2,6172.98% 5.7%
2+ races:2,5072.85% 121.7%
Hispanic:11,98613.64% 38.1%
Total non-White:18,79921.39% 41.0%

2010-2022 ComponentsNumberRate
Change in White population:-5,981 -8.2
Change in Non-White pop.:5,471 7.5



Historical Presidential Election Results for Algonquin township, IL

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +2,402 D +3,132 D + 6.7%
D +5,534
2020 vs. 2012 R +1,454 D +5,040 D + 11.6%
D +6,494
2020 vs. 2008 R +3,085 R +237 R + 1.6%
D +2,848
2016 vs. 2008 R +683 R +3,369 R + 8.3%
D -2,686
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 71% Joe Biden (D) 24,936 51.9% Donald Trump* (R) 21,795 45.4% 1,286 2.7% 48,017 5 -1 0.79%
2016 63% Hillary Clinton (D) 19,402 46.3% Donald Trump (R) 19,393 46.3% 3,086 7.4% 41,881 8 0 0.75%
2012 61% Mitt Romney (R) 20,341 51.3% Barack Obama* (D) 18,442 46.5% 839 2.1% 39,622 11 4 0.75%
2008 65% Barack Obama (D) 22,088 53.2% John McCain (R) 18,710 45.1% 718 1.7% 41,516 8 -1 0.75%
2000 60% George W. Bush (R) 20,575 57.7% Albert Gore, Jr. (D) 14,000 39.3% 1,063 3.0% 35,638 15 10 0.75%
* incumbent         PSV: percent of state vote



2020 President, Algonquin township
CandidateVotesPct
Joe Biden (D) 24,936 51.9%
Donald Trump* (R) 21,795 45.4%
Jo Jorgensen (Lbt) 646 1.3%
Other 640 1.3%
TOTAL 48,017
Turnout: 71% Diff (St): 5 Diff (US): -1


2016 President, Algonquin township
CandidateVotesPct
Hillary Clinton (D) 19,402 46.3%
Donald Trump (R) 19,393 46.3%
Gary Johnson (Lbt) 2,224 5.3%
Other 862 2.1%
TOTAL 41,881
Turnout: 63% Diff (St): 8 Diff (US): 0


2012 President, Algonquin township
CandidateVotesPct
Barack Obama* (D) 18,442 46.5%
Mitt Romney (R) 20,341 51.3%
Other 839 2.1%
TOTAL 39,622
Turnout: 61% Diff (St): 11 Diff (US): 4


2008 President, Algonquin township
CandidateVotesPct
Barack Obama (D) 22,088 53.2%
John McCain (R) 18,710 45.1%
Other 718 1.7%
TOTAL 41,516
Turnout: 65% Diff (St): 8 Diff (US): -1


2000 President, Algonquin township
CandidateVotesPct
George W. Bush (R) 20,575 57.7%
Albert Gore, Jr. (D) 14,000 39.3%
Ralph Nader (Grn) 858 2.4%
Other 205 0.6%
TOTAL 35,638
Turnout: 60% Diff (St): 15 Diff (US): 10
* incumbent

Historical Statewide Election Results for Algonquin 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 50% Tammy Duckworth* (D) 17,498 52.6% Kathy Salvi (R) 15,019 45.2% 747 [+] 2.2% 33,264 4 0.81%
2022 G 49% J.B. Pritzker* (D) 17,365 52.3% Darren Bailey (R) 14,602 44.0% 1,246 [+] 3.8% 33,213 2 0.81%
2020 S2 71% Richard Durbin* (D) 23,252 48.9% Mark Curran (R) 21,739 45.7% 2,537 [+] 5.3% 47,528 7 0.80%
2018 G 53% Bruce Rauner* (R) 17,200 49.1% J.B. Pritzker (D) 15,981 45.6% 1,863 [+] 5.3% 35,044 10 0.77%
2016 S3 63% Mark Kirk* (R) 20,550 49.3% Tammy Duckworth (D) 18,125 43.4% 3,050 [+] 7.3% 41,725 9 0.76%
2014 S2 41% Jim Oberweis (R) 14,878 54.8% Richard Durbin* (D) 11,042 40.7% 1,221 [+] 4.5% 27,141 12 0.75%
2014 G 42% Bruce Rauner (R) 17,417 63.9% Pat Quinn* (D) 9,029 33.1% 828 [+] 3.0% 27,274 14 0.75%
*: 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