Winneshiek County, Iowa
Precinct data
Results by precinct
12 precincts · 11,927 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -CA WA & JACA WA & JA | 561 | 1,169 | 35 | 1,765 | 31.8% | 66.2% | R+34.4 |
|---|---|---|---|---|---|---|---|
| Precinct -HE HI CN PL & GLHE HI CN PL & GL | 585 | 873 | 17 | 1,475 | 39.7% | 59.2% | R+19.5 |
| Precinct -DEW1 & DETSUP2DEW1 & DETSUP2 | 721 | 628 | 26 | 1,375 | 52.4% | 45.7% | D+6.8 |
| Precinct -FR BM & MIFR BM & MI | 314 | 876 | 15 | 1,205 | 26.1% | 72.7% | R+46.6 |
| Precinct -FR BO OR BL & MAFR BO OR BL & MA | 310 | 813 | 22 | 1,145 | 27.1% | 71.0% | R+43.9 |
| Precinct -DETSUP4 & SRDETSUP4 & SR | 468 | 619 | 10 | 1,097 | 42.7% | 56.4% | R+13.8 |
| Precinct -DEW2DEW2 | 624 | 274 | 12 | 910 | 68.6% | 30.1% | D+38.5 |
| Precinct -DEW5DEW5 | 503 | 373 | 12 | 888 | 56.6% | 42.0% | D+14.6 |
| Precinct -DEW3BDEW3B | 466 | 175 | 14 | 655 | 71.1% | 26.7% | D+44.4 |
| Precinct -DEW4DEW4 | 412 | 170 | 10 | 592 | 69.6% | 28.7% | D+40.9 |
| Precinct -LI & SULI & SU | 143 | 368 | 4 | 515 | 27.8% | 71.5% | R+43.7 |
| Precinct -DEW3ADEW3A | 214 | 89 | 2 | 305 | 70.2% | 29.2% | D+41.0 |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −6.4% |
| 1896 | −25.1% |
| 1900 | −30.7% |
| 1904 | −39.1% |
| 1908 | −15.6% |
| 1912 | +25.4% |
| 1916 | −18.5% |
| 1920 | −54.0% |
| 1924 | −28.0% |
| 1928 | −5.7% |
| 1932 | +33.6% |
| 1936 | +13.3% |
| 1940 | −6.9% |
| 1944 | −7.7% |
| 1948 | +3.2% |
| 1952 | −33.5% |
| 1956 | −18.6% |
| 1960 | −9.0% |
| 1964 | +19.2% |
| 1968 | −24.0% |
| 1972 | −14.1% |
| 1976 | −6.6% |
| 1980 | −19.7% |
| 1984 | −17.1% |
| 1988 | +2.9% |
| 1992 | +4.8% |
| 1996 | +6.7% |
| 2000 | −3.3% |
| 2004 | +0.3% |
| 2008 | +22.7% |
| 2012 | +14.7% |
| 2016 | −0.8% |
| 2020 | −5.1% |
| 2024 | −9.2% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 46.8%4,477 | 53.2%5,094 | 9,571 |
| 2020 | R | 46.7%5,581 | 50.5%6,039 | 11,956 |
Registered voters
By party of registration, over time
Registration leans Republican; the presidential vote runs 6.8 points more Democratic.
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 14,871 | 4,582 | 4,636 | 5,643 | 10 |
| 2010 | 14,851 | 4,428 | 4,722 | 5,684 | 17 |
| 2012 | 15,107 | 4,405 | 4,796 | 5,887 | 19 |
| 2014 | 15,303 | 4,392 | 4,664 | 6,218 | 29 |
| 2016 | 14,682 | 4,401 | 4,633 | 5,600 | 48 |
| 2018 | 15,083 | 4,557 | 4,503 | 5,952 | 71 |
| 2020 | 15,698 | 5,330 | 4,972 | 5,316 | 80 |
| 2022 | 15,092 | 4,952 | 4,925 | 5,132 | 83 |
| 2024 | 15,252 | 4,666 | 5,033 | 5,458 | 95 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+36 net domestic migration · 2025
Net −1,438 over 2011–2025 · gain loss
Arrivals reported $65,260 in average income, against $84,166 for residents who stayed — 22% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+32.4 on average — 23 points more Republican-leaning than Winneshiek County, IA itself (R+9.2).
Where arrivals came from lean of each source
- Howard County, IA39R+31.7
- Allamakee County, IA38R+34.3
- Fayette County, IA23R+30.4
Where departures went households, 2022–23
- Allamakee County, IA33
- Fayette County, IA33
- Howard County, IA28
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 | −14 |
| 2012 | −7 |
| 2013 | −165 |
| 2014 | −141 |
| 2015 | +55 |
| 2016 | −348 |
| 2017 | −281 |
| 2018 | −128 |
| 2019 | −16 |
| 2021 | −108 |
| 2022 | −17 |
| 2023 | −215 |
| 2024 | −89 |
| 2025 | +36 |
Winneshiek County's political identity is shaped by the tension between Decorah's Luther College population and the surrounding agricultural townships. The county shifted toward Republicans by roughly 9 points in 2024, continuing a decade-long rural realignment.
Across the recorded series it reached a Democratic high of 33.6 points in 1932 and a Republican high of 54.0 points in 1920. Between 2020 and 2024 the county moved 4.1 points toward the Republican candidate; the 2024 margin was 9.2 points.
A population of 19,873, a 93% non-Hispanic-white share, and a median household income of $79,066 describe the county. The county's voting pattern over the last decade is most similar to that of Houston County and Cerro Gordo 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 →
Winneshiek County, Iowa. Akashic. https://akashic.app/county/19191/. Accessed May 20, 2026. License: CC BY 4.0.