Davenport-R.Island-Moline, Illinois: Heartland Swing market. In 2024, voted R+12%. Republican peak: R+52 in 1920.
Key facts
- 2024 presidential margin
- R+12MIT Election Lab
- Political typology
- Heartland SwingAkashic typology
- Population
- 755,8152024 5-year
- Median household income
- $69,8972024 5-year
- White (non-Hispanic)
- 82.1%2024 5-year
- Black
- 5.4%2024 5-year
- Hispanic / Latino
- 9.1%2024 5-year
- Peak Democratic margin
- D+16 in 1964MIT Election Lab
- Peak Republican margin
- R+52 in 1920MIT Election Lab
| Donald Trump ✓Republican | 54.8% | 203,383 |
|---|---|---|
| Kamala HarrisDemocratic | 43.3% | 160,580 |
| OtherAll other candidates | 1.9% | 7,095 |
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | −2.8% |
| 1896 | −20.6% |
| 1900 | −21.4% |
| 1904 | −35.4% |
| 1908 | −20.1% |
| 1912 | +13.2% |
| 1916 | −22.2% |
| 1920 | −52.1% |
| 1924 | −46.5% |
| 1928 | −33.0% |
| 1932 | +5.2% |
| 1936 | +4.8% |
| 1940 | −11.5% |
| 1944 | −14.3% |
| 1948 | −12.4% |
| 1952 | −28.2% |
| 1956 | −25.2% |
| 1960 | −14.1% |
| 1964 | +16.2% |
| 1968 | −10.4% |
| 1972 | −20.8% |
| 1976 | −5.9% |
| 1980 | −16.9% |
| 1984 | −9.0% |
| 1988 | +6.2% |
| 1992 | +11.1% |
| 1996 | +14.9% |
| 2000 | +8.2% |
| 2004 | +4.9% |
| 2008 | +16.3% |
| 2012 | +13.7% |
| 2016 | −5.9% |
| 2020 | −6.3% |
| 2024 | −11.5% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 160,580 | 203,383 | 371,058 | ||
| R | 176,560 | 201,015 | 386,201 | ||
| R | 157,942 | 179,618 | 366,529 | ||
| D | 209,591 | 158,280 | 374,701 | ||
| D | 216,135 | 154,765 | 376,339 | ||
| D | 196,424 | 178,110 | 377,380 | ||
| D | 179,430 | 151,564 | 341,242 | ||
| D | 168,000 | 119,948 | 321,456 | ||
| D | 171,357 | 130,532 | 366,386 | ||
| D | 176,741 | 155,938 | 334,999 | ||
| R | 166,733 | 199,765 | 368,777 | ||
| R | 132,471 | 192,750 | 356,796 | ||
| R | 163,353 | 184,021 | 352,753 | ||
| R | 133,974 | 205,118 | 342,450 | ||
| R | 137,331 | 172,106 | 333,479 | ||
| D | 190,381 | 137,377 | 327,973 | ||
| R | 148,038 | 196,866 | 345,333 | ||
| R | 121,592 | 203,723 | 326,053 | ||
| R | 119,179 | 213,382 | 333,815 | ||
| R | 116,246 | 149,620 | 268,822 | ||
| R | 124,233 | 165,894 | 291,350 | ||
| R | 145,041 | 182,994 | 329,438 | ||
| D | 155,429 | 140,913 | 304,571 | ||
| D | 143,759 | 129,162 | 279,092 | ||
| R | 87,001 | 173,634 | 262,344 | ||
| R | 36,242 | 148,662 | 241,763 | ||
| R | 40,824 | 151,574 | 212,760 | ||
| R | 68,206 | 109,997 | 188,472 | ||
| O | 41,330 | 24,878 | 124,676 | ||
| R | 46,697 | 72,491 | 128,263 | ||
| R | 33,808 | 77,565 | 123,770 | ||
| R | 49,349 | 77,539 | 131,540 | ||
| R | 49,589 | 76,111 | 128,609 | ||
| R | 50,627 | 53,654 | 109,859 | ||
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Demographics
Straddling two states along the Mississippi, the Quad Cities market blends blue-collar manufacturing towns with growing suburban tracts, producing competitive margins that make it a reliable bellwether in both Iowa and Illinois contests.
Across the recorded series it reached a Democratic high of sixteen points in 2008 and a Republican high of fifty-two points in 1920. Between 2020 and 2024 the market moved five points toward the Republican candidate; the 2024 margin was twelve points.
A population of 755,815, a 82% non-Hispanic-white share, and a median household income of $69,897 describe the market.
Compare two places, side by side
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Davenport-R.Island-Moline, Illinois. Akashic. https://akashic.app/dma/682/. Accessed May 20, 2026. License: CC BY 4.0.