Plymouth County, Iowa
Precinct data
Results by precinct
11 precincts · 13,931 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -Le Mars Pct 2Le Mars Pct 2 | 514 | 1,472 | 31 | 2,017 | 25.5% | 73.0% | R+47.5 |
|---|---|---|---|---|---|---|---|
| Precinct -Le Mars Pct 1Le Mars Pct 1 | 455 | 1,045 | 21 | 1,521 | 29.9% | 68.7% | R+38.8 |
| Precinct -Le Mars Pct 3Le Mars Pct 3 | 403 | 961 | 19 | 1,383 | 29.1% | 69.5% | R+40.3 |
| Precinct -WESLEY UNITED METHODIST CHURCHWESLEY UNITED METHODIST CHURCH | 312 | 987 | 15 | 1,314 | 23.7% | 75.1% | R+51.4 |
| Precinct -REMSEN LIBRARYREMSEN LIBRARY | 205 | 1,087 | 11 | 1,303 | 15.7% | 83.4% | R+67.7 |
| Precinct -HINTON COMMUNITY CENTERHINTON COMMUNITY CENTER | 241 | 1,006 | 17 | 1,264 | 19.1% | 79.6% | R+60.5 |
| Precinct -KINGSLEY COMMUNITY CENTERKINGSLEY COMMUNITY CENTER | 226 | 997 | 16 | 1,239 | 18.2% | 80.5% | R+62.2 |
| Precinct -COURTHOUSE ANNEX LOWER LEVELCOURTHOUSE ANNEX LOWER LEVEL | 188 | 890 | 8 | 1,086 | 17.3% | 82.0% | R+64.6 |
| Precinct -PERRY TOWNSHIP HALLPERRY TOWNSHIP HALL | 230 | 755 | 6 | 991 | 23.2% | 76.2% | R+53.0 |
| Precinct -KISSINGER COMMUNITY CENTER-LOWER LEVELKISSINGER COMMUNITY CENTER-LOWER LEVEL | 196 | 768 | 11 | 975 | 20.1% | 78.8% | R+58.7 |
| Precinct -BRUNSVILLE LEGION CLUBBRUNSVILLE LEGION CLUB | 134 | 693 | 11 | 838 | 16.0% | 82.7% | R+66.7 |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | +13.7% |
| 1896 | −4.5% |
| 1900 | −7.9% |
| 1904 | −26.3% |
| 1908 | −9.2% |
| 1912 | +24.5% |
| 1916 | −8.1% |
| 1920 | −53.6% |
| 1924 | −24.3% |
| 1928 | +1.7% |
| 1932 | +44.3% |
| 1936 | +16.3% |
| 1940 | −33.6% |
| 1944 | −34.3% |
| 1948 | −7.0% |
| 1952 | −49.0% |
| 1956 | −34.8% |
| 1960 | −15.9% |
| 1964 | +7.3% |
| 1968 | −29.9% |
| 1972 | −22.0% |
| 1976 | −13.0% |
| 1980 | −34.3% |
| 1984 | −30.1% |
| 1988 | −11.4% |
| 1992 | −19.3% |
| 1996 | −13.8% |
| 2000 | −26.6% |
| 2004 | −28.9% |
| 2008 | −25.1% |
| 2012 | −34.2% |
| 2016 | −51.2% |
| 2020 | −49.3% |
| 2024 | −54.1% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 21.2%2,053 | 78.8%7,650 | 9,703 |
| 2020 | R | 25.6%3,587 | 72.3%10,145 | 14,028 |
Registered voters
By party of registration, over time
Registration leans Republican; the presidential vote runs 17 points more Democratic.
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 17,528 | 3,704 | 7,401 | 6,418 | 5 |
| 2010 | 17,807 | 3,703 | 7,749 | 6,344 | 11 |
| 2012 | 18,105 | 3,579 | 8,268 | 6,242 | 16 |
| 2014 | 17,757 | 3,421 | 8,177 | 6,129 | 30 |
| 2016 | 18,149 | 3,378 | 8,766 | 5,932 | 73 |
| 2018 | 17,749 | 3,185 | 8,709 | 5,755 | 100 |
| 2020 | 18,243 | 3,351 | 9,426 | 5,353 | 113 |
| 2022 | 18,270 | 3,130 | 9,494 | 5,515 | 131 |
| 2024 | 18,437 | 2,896 | 9,734 | 5,685 | 122 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+7 net domestic migration · 2025
Net −650 over 2011–2025 · gain loss
Arrivals reported $52,090 in average income, against $99,032 for residents who stayed — 47% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+33.9 on average — 20 points more Democratic-leaning than Plymouth County, IA itself (R+54.1).
Where arrivals came from lean of each source
- Woodbury County, IA178R+22.9
- Sioux County, IA46R+70.7
- Cherokee County, IA23R+45.7
Where departures went households, 2022–23
- Woodbury County, IA168
- Sioux County, IA45
- Polk County, IA25
- Minnehaha County, SD25
- Cherokee County, IA24
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | −221 |
| 2012 | −16 |
| 2013 | +37 |
| 2014 | −109 |
| 2015 | −75 |
| 2016 | +189 |
| 2017 | −176 |
| 2018 | −79 |
| 2019 | +95 |
| 2021 | −4 |
| 2022 | −111 |
| 2023 | −94 |
| 2024 | −93 |
| 2025 | +7 |
Plymouth County in northwest Iowa delivered a 54-point Republican presidential margin in 2024, reflecting the heavily rural, agricultural character of a region where small-town and farm households dominate the electorate.
Across the recorded series it reached a Democratic high of 44.3 points in 1932 and a Republican high of 54.1 points in 2024. Between 2020 and 2024 the county moved 4.8 points toward the Republican candidate; the 2024 margin was 54.1 points.
A population of 25,747, a 88% non-Hispanic-white share, and a median household income of $83,251 describe the county. The county's voting pattern over the last decade is most similar to that of Osage County and Auglaize County.
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
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 →
Plymouth County, Iowa. Akashic. https://akashic.app/county/19149/. Accessed May 20, 2026. License: CC BY 4.0.