Monroe County, Michigan: Heartland Swing county. In 2024, voted R+27%. Democratic peak: D+39 in 1964.
Key facts
- 2024 presidential margin
- R+27MIT Election Lab
- Political typology
- Heartland SwingAkashic typology
- Population
- 155,5052024 5-year
- Median household income
- $77,3352024 5-year
- White (non-Hispanic)
- 90.0%2024 5-year
- Black
- 2.2%2024 5-year
- Hispanic / Latino
- 4.4%2024 5-year
- Peak Democratic margin
- D+39 in 1964MIT Election Lab
- Peak Republican margin
- R+27 in 2024MIT Election Lab
- Most similar
- Roscommon County, MI · similarity 0.99
2024 results by precinct
2024 precinct map of Monroe CountyPrecinct-level 2024 presidential results for Monroe County, with each precinct boundary colored by Democratic-vs-Republican margin.
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Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | +12.2% |
| 1896 | +1.8% |
| 1900 | −0.2% |
| 1904 | −16.5% |
| 1908 | −9.5% |
| 1912 | +10.2% |
| 1916 | +5.1% |
| 1920 | −24.3% |
| 1924 | −25.7% |
| 1928 | −16.9% |
| 1932 | +25.8% |
| 1936 | +12.9% |
| 1940 | −13.2% |
| 1944 | −13.4% |
| 1948 | −2.9% |
| 1952 | −14.6% |
| 1956 | −13.1% |
| 1960 | +2.8% |
| 1964 | +39.4% |
| 1968 | +8.2% |
| 1972 | −13.0% |
| 1976 | +5.9% |
| 1980 | −10.1% |
| 1984 | −19.9% |
| 1988 | −9.0% |
| 1992 | +8.0% |
| 1996 | +12.2% |
| 2000 | +4.2% |
| 2004 | −1.9% |
| 2008 | +4.3% |
| 2012 | +1.0% |
| 2016 | −22.0% |
| 2020 | −22.6% |
| 2024 | −27.1% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 32,622 | 57,405 | 91,488 | ||
| R | 32,975 | 52,710 | 87,148 | ||
| R | 26,863 | 43,261 | 74,655 | ||
| D | 36,310 | 35,593 | 73,095 | ||
| D | 39,180 | 35,858 | 76,422 | ||
| R | 36,089 | 37,470 | 74,132 | ||
| D | 31,555 | 28,940 | 61,795 | ||
| D | 26,072 | 19,678 | 52,529 | ||
| D | 24,957 | 20,250 | 59,031 | ||
| R | 21,847 | 26,189 | 48,324 | ||
| R | 19,617 | 29,419 | 49,287 | ||
| R | 20,578 | 25,612 | 49,964 | ||
| D | 23,290 | 20,676 | 44,597 | ||
| R | 17,726 | 23,263 | 42,479 | ||
| D | 18,921 | 15,685 | 39,572 | ||
| D | 26,528 | 11,499 | 38,111 | ||
| D | 19,684 | 18,607 | 38,423 | ||
| R | 14,414 | 18,782 | 33,305 | ||
| R | 12,758 | 17,159 | 30,074 | ||
| R | 10,434 | 11,070 | 21,824 | ||
| R | 10,275 | 13,478 | 23,836 | ||
| R | 10,368 | 13,517 | 23,945 | ||
| D | 11,075 | 8,330 | 21,284 | ||
| D | 12,417 | 7,255 | 20,010 | ||
| R | 7,242 | 10,202 | 17,507 | ||
| R | 4,981 | 8,940 | 15,383 | ||
| R | 5,224 | 8,646 | 14,096 | ||
| D | 4,202 | 3,787 | 8,119 | ||
| D | 2,995 | 2,253 | 7,297 | ||
| R | 3,451 | 4,206 | 7,926 | ||
| R | 3,127 | 4,407 | 7,739 | ||
| R | 3,859 | 3,876 | 7,929 | ||
| D | 4,208 | 4,053 | 8,421 | ||
| D | 3,769 | 2,914 | 7,021 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
24.6%
English
12.8%
Irish
11.5%
Polish
10.0%
French
6.3%
Italian
5.7%
American
5.7%
African American
1.8%
Multiple ancestry combinations reported; no single grouping above 1%.
Sample size too small to break out by ancestry reliably.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 42.8 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$77,335
Monroe County ranks in the top 25% of US counties.
Monroe County$77,335
Michigan$72,875
United States$80,734
Monroe County ranks in the top 25% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
10.5%
Child poverty is below the national average.
Children under 1812.4%
Working age (18–64)10.2%
Seniors (65+)8.6%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
96.5%
speak English only
Spanish1.6%
Other Indo-European1.1%
Other languages0.4%
Asian & Pacific Islander0.3%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 54.3% of residents not counted as adherents by any reporting body.
Monroe County shifted sharply rightward over the past decade, posting an R+27 margin in 2024 after splitting more evenly in earlier cycles — a pattern common to blue-collar, majority-white counties along the western Lake Erie shore.
The Democratic margin here peaked at thirty-nine points in 1964. Between 2020 and 2024 the county moved four points toward the Republican candidate; the 2024 margin was twenty-seven points.
A population of 155,505, a 90% non-Hispanic-white share, and a median household income of $77,335 describe the county. The county's voting pattern over the last decade is most similar to that of Roscommon County and Clare County.
Most similar counties
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.
Monroe County, Michigan. Akashic. https://akashic.app/county/26115/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More heartland swing counties
Frequently asked questions
How did Monroe County, Michigan vote in 2024?
In 2024, Monroe County, Michigan voted Republican by 27.1 points (R+27), carried by the Republican candidate. Out of 91,488 votes cast, 32,622 went Democratic and 57,405 went Republican.
What is Monroe County, Michigan's political typology?
Akashic places Monroe County, Michigan in the "Heartland Swing" typology — Industrial Midwest swing counties drifting steadily toward the Republican Party. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 15 times, Republican 19 times, and other 0 times.
When did Monroe County, Michigan last vote Democratic?
The most recent presidential election in which Monroe County, Michigan voted Democratic was 2012.
How many people live in Monroe County, Michigan?
Monroe County, Michigan has a population of 155,505 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Monroe County, Michigan?
Median household income in Monroe County, Michigan is $77,335 — below the national median of $80,734. The Michigan state median is $72,875.
What is the political history of Monroe County, Michigan?
Akashic tracks 38 presidential elections in Monroe County, Michigan from 1876 to 2024. Of those, 15 went Democratic and 19 went Republican. The county's typology — "Heartland Swing" — captures where that record, its demographics, and its recent swing place it among American communities.