Monroe County, Illinois
Latest: 2024
Safe Republican — 40 presidential elections on record
Race & ancestry
| Group | % |
|---|---|
▶White (Non-Hispanic)(13) | 95.0% |
▶Hispanic / Latino(5) | 1.9% |
▶Black / African American(2) | 0.6% |
▶Asian(5) | 0.6% |
Native American / Alaska Native | 0.1% |
Multiracial / Other | 1.7% |
Religious adherence
| Tradition | % Pop | % Adherents |
|---|---|---|
| Evangelical Protestant | 26.2% | 45.7% |
| Catholic | 20.3% | 35.5% |
| Mainline Protestant | 9.1% | 15.9% |
| Other | 1.6% | 2.9% |
| LDS (Mormon) | 1.2% | 2.1% |
| Non-religious | 42.8% | — |
Presidential results
| Year | Result |
|---|---|
| 2024 | Trump+36.3 |
| 2020 | Trump+35.7 |
| 2016 | Trump+36.6 |
| 2012 | Romney+26.7 |
| 2008 | McCain+10.6 |
| 2004 | Bush+16.4 |
| 2000 | Bush+13.4 |
| 1996 | Dole+4.8 |
| 1992 | Clinton+0.7 |
Monroe, Illinois is a county that has a population of 35,036. In the 2024 presidential election, it voted Republican with a margin of R+36.3. Akashic Edge tracks 40 presidential elections here, dating back to 1868.
| Year | Dem % | Rep % | Margin | Swing |
|---|---|---|---|---|
| 2024 | 31.0% | 67.2% | R+36.3 | R+0.6 |
| 2020 | 31.0% | 66.7% | R+35.7 | D+0.9 |
| 2016 | 28.6% | 65.3% | R+36.6 | R+9.9 |
| 2012 | 35.5% | 62.2% | R+26.7 | R+16.1 |
| 2008 | 43.9% | 54.5% | R+10.6 | D+5.7 |
| 2004 | 41.5% | 57.8% | R+16.4 | R+3.0 |
| 2000 | 42.3% | 55.7% | R+13.4 | R+8.6 |
| 1996 | 41.6% | 46.4% | R+4.8 | R+5.5 |
| 1992 | 39.0% | 38.3% | D+0.7 | D+16.8 |
| 1988 | 41.7% | 57.8% | R+16.1 | D+19.9 |
| 1984 | 31.9% | 67.9% | R+36.0 | R+3.8 |
| 1980 | 31.4% | 63.6% | R+32.2 | R+15.5 |
| 1976 | 41.0% | 57.7% | R+16.6 | D+20.6 |
| 1972 | 31.2% | 68.4% | R+37.2 | R+12.5 |
| 1968 | 30.8% | 55.5% | R+24.7 | R+32.5 |
| 1964 | 53.9% | 46.1% | D+7.8 | D+24.2 |
| 1960 | 41.8% | 58.2% | R+16.4 | D+11.7 |
| 1956 | 36.0% | 64.0% | R+28.1 | D+2.1 |
| 1952 | 34.9% | 65.1% | R+30.1 | R+4.8 |
| 1948 | 37.3% | 62.6% | R+25.4 | — |
What defines Monroe?
Voter turnout stands out nationally — in the top 15% of peers in 2024.
County in State Context
Current Illinois Polling
Contextual statewide polling for Illinois. County pages stay rooted in county returns, but live statewide polling helps frame the current cycle.
2026 Illinois Senate Democratic Primary
Raja Krishnamoorthi leads at 32.1%
7 pollsMedium
Field Preview
Ask the Historian
Explore this county's political evolution with the Historian
Key Insights
High-confidence patterns distilled from this geography's election history.
- Has voted Republican in the last 5 presidential elections
- Latest election (2024) was a Republican landslide with a 36.3% margin
- Highly elastic — margins have ranged 26.0 points across recent elections, suggesting a volatile electorate
Located In
Monroe sits inside these higher-level geographies.