HarrisDemocratic47.5%1,868TrumpRepublican50.3%1,977OtherAll other candidates2.1%84
R+2.8- Lead
- 109
- Total
- 3,929
- vs nation
- R+1.3
- Turnout
- —
Akashiccity
Island Lake, IL
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic49.0%2,004TrumpRepublican48.9%2,001OtherAll other candidates2.0%83
D+0.1- Lead
- 3
- Total
- 4,088
- vs nation
- R+4.4
- Turnout
- —
ClintonDemocratic45.2%1,601TrumpRepublican47.7%1,690OtherAll other candidates7.1%253
R+2.5- Lead
- 89
- Total
- 3,544
- vs nation
- R+4.6
- Turnout
- —
ObamaDemocratic50.8%1,662RomneyRepublican47.4%1,549OtherAll other candidates1.8%59
D+3.5- Lead
- 113
- Total
- 3,270
- vs nation
- R+0.4
- Turnout
- —
ObamaDemocratic56.0%1,972McCainRepublican42.0%1,477OtherAll other candidates2.0%71
D+14.1- Lead
- 495
- Total
- 3,520
- vs nation
- D+6.8
- Turnout
- —
KerryDemocratic44.4%1,421BushRepublican54.3%1,736OtherAll other candidates1.3%42
R+9.8- Lead
- 315
- Total
- 3,199
- vs nation
- R+7.4
- Turnout
- —
Key facts
- 2024 presidential margin
- R+2.8MIT Election Lab
- Population
- 8,0142024 5-year
- Median household income
- $103,1562024 5-year
- White (non-Hispanic)
- 74.0%2024 5-year
- Black
- 0.3%2024 5-year
- Hispanic / Latino
- 21.0%2024 5-year
- Peak Democratic margin
- D+14.1 in 2008MIT Election Lab
- Peak Republican margin
- R+9.8 in 2004MIT Election Lab
- Most similar
- Lakemoor, IL · twin score 89.1
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | −9.8% |
| 2008 | +14.1% |
| 2012 | +3.5% |
| 2016 | −2.5% |
| 2020 | +0.1% |
| 2024 | −2.8% |
DemocraticRepublican
6 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| R | 47.5%Harris1,868 | 50.3%Trump1,977 | 2.1% | R+2.8 | R+2.8 | R+1.3 | 3,929 | |
| D | 49.0%Biden2,004 | 48.9%Trump2,001 | 2.0% | D+0.1 | D+2.6 | R+4.4 | 4,088 | |
| R | 45.2%Clinton1,601 | 47.7%Trump1,690 | 7.1% | R+2.5 | R+6.0 | R+4.6 | 3,544 | |
| D | 50.8%Obama1,662 | 47.4%Romney1,549 | 1.8% | D+3.5 | R+10.6 | R+0.4 | 3,270 | |
| D | 56.0%Obama1,972 | 42.0%McCain1,477 | 2.0% | D+14.1 | — | D+6.8 | 3,520 | |
| R | 44.4%Kerry1,421 | 54.3%Bush1,736 | 1.3% | R+9.8 | — | R+7.4 | 3,199 |
Federal and statewide elections · 2 House · 1 Senate
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 48.4%1,859 | 51.6%1,979 | 3,838 |
| 2020 | D | 50.7%2,028 | 49.3%1,975 | 4,003 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2020 | D | 50.4%1,925 | 49.6%1,898 | 3,823 |
Island Lake sits at the edge of Chicago's outer suburban ring in McHenry County, a traditionally Republican-leaning area that has shown tightening margins in recent cycles as younger exurban families reshape the electorate.
Across the recorded series it reached a Democratic high of 14.1 points in 2008 and a Republican high of 9.8 points in 2004. Between 2020 and 2024 the city moved 2.8 points toward the Republican candidate; the 2024 margin was 2.8 points.
A population of 8,014, a 74% non-Hispanic-white share, and a median household income of $103,156 describe the city. The city's voting pattern over the last decade is most similar to that of Lakemoor and Orland Hills.
Political twins — cities
The cities whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Lakemoor
Illinois
89.1twin score
population scaleelasticitycollege share≠ Asian Indian ancestry
Orland Hills
Illinois
87.8twin score
population scalePolish ancestryelasticity≠ German ancestry
Frankfort Square
Illinois
86.1twin score
Polish ancestryelasticitypopulation scale
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Island Lake, Illinois. Akashic. https://akashic.app/city/1737894/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Illinois at the ballot boxAll elections →
Frequently asked questions
How did Island Lake, Illinois vote in 2024?
In 2024, Island Lake, Illinois voted Republican by 2.8 points (R+2.8), carried by the Republican candidate. Out of 3,929 votes cast, 1,868 went Democratic and 1,977 went Republican.
When did Island Lake, Illinois last vote Democratic?
The most recent presidential election in which Island Lake, Illinois voted Democratic was 2020.
How many people live in Island Lake, Illinois?
Island Lake, Illinois has a population of 8,014 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Island Lake, Illinois?
Median household income in Island Lake, Illinois is $103,156 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Island Lake, Illinois?
Akashic tracks 6 presidential elections in Island Lake, Illinois from 2004 to 2024. Of those, 3 went Democratic and 3 went Republican.