Polk County, Iowa
AkashicPolk County, IAHarrisD+10.8
2024 precinct map of Polk CountyPrecinct-level 2024 presidential results for Polk County, with each precinct boundary colored by Democratic-vs-Republican margin, and gold where an independent or third-party candidate carried the precinct.
How it voted
Share of the 2024 vote
| Kamala Harris ✓Democratic | 54.5% | 140,075 |
|---|---|---|
| Donald TrumpRepublican | 43.7% | 112,240 |
| Robert F Kennedy Jr.We The People | 0.6% | 1,596 |
Harris +50Trump +50
176 precincts · 256,838 votes. Hover any precinct for its result.
The precinct map shows the 2024 presidential vote; the timeline scrubs the county’s overall result across 1892–2024.
38 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| D | 54.5%Harris140,075 | 43.7%Trump112,240 | 0.6%Kennedy1,596 | 256,838 | ||
| D | 56.5%Biden146,250 | 41.3%Trump106,800 | 1.3%Jorgensen3,322 | 258,755 | ||
| D | 51.3%Clinton119,804 | 40.1%Trump93,492 | 4.3%Johnson10,029 | 233,385 | ||
| D | 56.1%Obama128,465 | 42.0%Romney96,096 | 1.0%Johnson2,183 | 228,882 | ||
| D | 56.4%Obama120,984 | 41.8%McCain89,668 | 1.7%Nader3,734 | 214,386 | ||
| D | 51.9%Kerry105,218 | 47.3%Bush95,828 | 0.8%Other1,572 | 202,618 | ||
| D | 51.5%Gore89,715 | 45.9%Bush79,927 | 1.9%Nader3,366 | 174,167 | ||
| D | 53.7%Clinton83,877 | 39.0%Dole60,884 | 6.1%Perot9,516 | 156,106 | ||
| D | 47.0%Clinton78,585 | 38.1%Bush63,708 | 14.4%Perot24,155 | 167,258 | ||
| D | 59.0%Dukakis84,476 | 40.4%Bush57,854 | 0.6%Larouche814 | 143,144 | ||
| D | 51.0%Mondale75,413 | 48.3%Reagan71,413 | 0.7%Larouche1,022 | 147,848 | ||
| R | 43.1%Carter61,984 | 44.6%Reagan64,156 | 12.3%Anderson17,618 | 143,758 | ||
| D | 52.2%Carter71,917 | 45.2%Ford62,316 | 2.6%McCarthy3,530 | 137,763 | ||
| R | 44.6%McGovern59,169 | 53.0%Nixon70,245 | 2.4%Schmitz3,245 | 132,659 | ||
| D | 45.9%Humphrey52,731 | 45.1%Nixon51,814 | 8.9%Wallace10,239 | 114,784 | ||
| D | 66.3%Johnson74,194 | 33.3%Goldwater37,280 | 0.4%Hass479 | 111,953 | ||
| R | 46.2%Kennedy55,091 | 53.7%Nixon64,077 | 0.1%Byrd66 | 119,234 | ||
| R | 45.9%Stevenson53,025 | 54.0%Eisenhower62,392 | 0.1%Andrews74 | 115,491 | ||
| R | 45.1%Stevenson50,867 | 54.0%Eisenhower60,934 | 0.9%Hallinan982 | 112,783 | ||
| D | 55.7%Truman45,289 | 41.5%Dewey33,742 | 2.9%Thurmond2,348 | 81,379 | ||
| D | 55.4%Roosevelt46,072 | 44.1%Dewey36,629 | 0.5%Thomas417 | 83,118 | ||
| D | 55.4%Roosevelt51,647 | 44.3%Willkie41,245 | 0.3%Thomas301 | 93,193 | ||
| D | 55.7%Roosevelt44,274 | 42.6%Landon33,819 | 1.7%Lemke1,367 | 79,460 | ||
| R | 45.9%Roosevelt31,517 | 49.5%Hoover34,023 | 4.6%Thomas3,132 | 68,672 | ||
| R | 31.6%Smith19,725 | 67.6%Hoover42,290 | 0.8%Thomas498 | 62,513 | ||
| R | 11.1%Davis6,665 | 62.2%Coolidge37,491 | 26.7%La Follette16,114 | 60,270 | ||
| R | 30.2%Cox16,281 | 66.8%Harding36,073 | 3.0%Debs1,632 | 53,986 | ||
| D | 50.0%Wilson12,327 | 45.8%Hughes11,295 | 4.2%Benson1,034 | 24,656 | ||
| O | 32.1%Wilson7,239 | 20.7%Taft4,665 | 47.3%Roosevelt10,671 | 22,575 | ||
| R | 36.6%Bryan7,924 | 58.0%Taft12,555 | 5.4%Debs1,161 | 21,640 | ||
| R | 15.9%Parker3,086 | 72.5%Roosevelt14,113 | 11.6%Debs2,259 | 19,458 | ||
| R | 31.7%Bryan6,180 | 64.7%McKinley12,628 | 3.6%Woolley703 | 19,511 | ||
| R | 38.4%Bryan7,087 | 60.2%McKinley11,127 | 1.4%Palmer257 | 18,471 | ||
| R | 38.4%Cleveland5,538 | 53.8%Harrison7,757 | 7.9%Weaver1,133 | 14,428 | ||
| — | — | — | — | — | ||
| — | — | — | — | — | ||
| — | — | — | — | — | ||
| — | — | — | — | — |
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −15.4% |
| 1896 | −21.9% |
| 1900 | −33.0% |
| 1904 | −56.7% |
| 1908 | −21.4% |
| 1912 | +11.4% |
| 1916 | +4.2% |
| 1920 | −36.7% |
| 1924 | −51.1% |
| 1928 | −36.1% |
| 1932 | −3.6% |
| 1936 | +13.2% |
| 1940 | +11.2% |
| 1944 | +11.4% |
| 1948 | +14.2% |
| 1952 | −8.9% |
| 1956 | −8.1% |
| 1960 | −7.5% |
| 1964 | +33.0% |
| 1968 | +0.8% |
| 1972 | −8.3% |
| 1976 | +7.0% |
| 1980 | −1.5% |
| 1984 | +2.7% |
| 1988 | +18.6% |
| 1992 | +8.9% |
| 1996 | +14.7% |
| 2000 | +5.6% |
| 2004 | +4.6% |
| 2008 | +14.6% |
| 2012 | +14.1% |
| 2016 | +11.3% |
| 2020 | +15.2% |
| 2024 | +10.8% |
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 293,133 | 121,227 | 82,703 | 89,042 | 161 |
| 2010 | 267,859 | 109,764 | 80,948 | 76,806 | 341 |
| 2012 | 281,857 | 110,731 | 86,418 | 84,204 | 504 |
| 2014 | 284,975 | 108,425 | 85,844 | 89,498 | 1,208 |
| 2016 | 303,299 | 119,464 | 91,257 | 90,231 | 2,347 |
| 2018 | 310,662 | 124,095 | 87,132 | 96,056 | 3,379 |
| 2020 | 331,127 | 141,782 | 92,230 | 93,456 | 3,659 |
| 2022 | 332,828 | 137,412 | 91,406 | 100,332 | 3,678 |
| 2024 | 339,536 | 130,576 | 94,536 | 110,569 | 3,855 |
Source: Iowa Secretary of State
Home to the state capital and nearly 12% of Iowa's population, Polk County has voted Democratic in every presidential race since 2000, with its 2024 margin of D+10.8 standing as an outlier in an otherwise deeply Republican state.
Across the recorded series it reached a Democratic high of 33.0 points in 1964 and a Republican high of 56.7 points in 1904. Between 2020 and 2024 the county moved 4.4 points toward the Republican candidate; the 2024 margin was 10.8 points.
A population of 503,175, a 73% non-Hispanic-white share, and a median household income of $83,576 describe the county. The county's voting pattern over the last decade is most similar to that of Story County and Presidio 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.
Polk County, Iowa. Akashic. https://akashic.app/county/19153/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Embed this page
A live widget for your site — no API key, attribution built in, CC BY 4.0. All widgets & sizes →
Cities & towns in Polk County
Iowa at the ballot boxAll elections →
Frequently asked questions
How did Polk County, Iowa vote in 2024?
In 2024, Polk County, Iowa voted Democratic by 10.8 points (D+10.8), carried by the Democratic candidate. Out of 256,838 votes cast, 140,075 went Democratic and 112,240 went Republican.
When did Polk County, Iowa last vote Republican?
The most recent presidential election in which Polk County, Iowa voted Republican was 1980.
How many people live in Polk County, Iowa?
Polk County, Iowa has a population of 503,175 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Polk County, Iowa?
Median household income in Polk County, Iowa is $83,576 — above the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Polk County, Iowa?
Akashic tracks 38 presidential elections in Polk County, Iowa from 1876 to 2024. Of those, 19 went Democratic and 14 went Republican.