Boone County, Iowa
Precinct data
Results by precinct
15 precincts · 15,346 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -Boone 2Boone 2 | 643 | 886 | 27 | 1,556 | 41.3% | 56.9% | R+15.6 |
|---|---|---|---|---|---|---|---|
| Precinct -Boone 5Boone 5 | 540 | 787 | 31 | 1,358 | 39.8% | 58.0% | R+18.2 |
| Precinct -Boone 3Boone 3 | 662 | 666 | 14 | 1,342 | 49.3% | 49.6% | R+0.3 |
| Precinct -Boone 1Boone 1 | 544 | 728 | 23 | 1,295 | 42.0% | 56.2% | R+14.2 |
| Precinct -Boone 4Boone 4 | 493 | 660 | 26 | 1,179 | 41.8% | 56.0% | R+14.2 |
| Precinct -OgdenOgden | 369 | 725 | 19 | 1,113 | 33.2% | 65.1% | R+32.0 |
| Precinct -Rural Precinct 6Rural Precinct 6 | 343 | 723 | 19 | 1,085 | 31.6% | 66.6% | R+35.0 |
| Precinct -Rural Precinct 4Rural Precinct 4 | 358 | 694 | 12 | 1,064 | 33.6% | 65.2% | R+31.6 |
| Precinct -Rural Precinct 1Rural Precinct 1 | 424 | 584 | 20 | 1,028 | 41.2% | 56.8% | R+15.6 |
| Precinct -Rural Precinct 2Rural Precinct 2 | 387 | 614 | 19 | 1,020 | 37.9% | 60.2% | R+22.3 |
| Precinct -Rural Precinct 5Rural Precinct 5 | 288 | 649 | 10 | 947 | 30.4% | 68.5% | R+38.1 |
| Precinct -Rural Precinct 3Rural Precinct 3 | 273 | 486 | 9 | 768 | 35.5% | 63.3% | R+27.7 |
| Precinct -Madrid 1Madrid 1 | 234 | 394 | 6 | 634 | 36.9% | 62.1% | R+25.2 |
| Precinct -Madrid 3Madrid 3 | 179 | 317 | 9 | 505 | 35.4% | 62.8% | R+27.3 |
| Precinct -Madrid 2Madrid 2 | 158 | 286 | 8 | 452 | 35.0% | 63.3% | R+28.3 |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −20.0% |
| 1896 | −14.2% |
| 1900 | −28.0% |
| 1904 | −46.0% |
| 1908 | −24.2% |
| 1912 | +13.6% |
| 1916 | −10.9% |
| 1920 | −48.6% |
| 1924 | −39.1% |
| 1928 | −41.6% |
| 1932 | +16.4% |
| 1936 | +25.5% |
| 1940 | +15.6% |
| 1944 | +10.9% |
| 1948 | +13.3% |
| 1952 | −23.2% |
| 1956 | −7.4% |
| 1960 | −8.0% |
| 1964 | +36.7% |
| 1968 | −0.4% |
| 1972 | −10.5% |
| 1976 | +9.6% |
| 1980 | −5.0% |
| 1984 | +6.0% |
| 1988 | +24.4% |
| 1992 | +14.4% |
| 1996 | +18.2% |
| 2000 | +5.3% |
| 2004 | +1.1% |
| 2008 | +7.6% |
| 2012 | +6.6% |
| 2016 | −13.6% |
| 2020 | −15.6% |
| 2024 | −21.5% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 41.7%4,618 | 58.3%6,456 | 11,074 |
| 2020 | R | 41.6%6,316 | 54.8%8,315 | 15,183 |
Registered voters
By party of registration, over time
Registration leans Republican; the presidential vote runs 10 points more Democratic.
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 19,080 | 6,829 | 4,903 | 7,339 | 9 |
| 2010 | 19,373 | 6,359 | 5,457 | 7,543 | 14 |
| 2012 | 19,681 | 5,948 | 6,047 | 7,664 | 22 |
| 2014 | 19,010 | 5,484 | 5,831 | 7,651 | 44 |
| 2016 | 19,378 | 5,647 | 6,193 | 7,442 | 96 |
| 2018 | 19,583 | 5,567 | 6,169 | 7,670 | 177 |
| 2020 | 20,100 | 5,957 | 6,936 | 7,044 | 163 |
| 2022 | 20,006 | 5,513 | 6,986 | 7,326 | 181 |
| 2024 | 20,383 | 5,008 | 7,260 | 7,935 | 180 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+147 net domestic migration · 2025
Net +600 over 2011–2025 · gain loss
Arrivals reported $59,421 in average income, against $85,310 for residents who stayed — 30% lower. (IRS SOI, 2022–23)
The places arrivals came from lean D+5.7 on average — 27 points more Democratic-leaning than Boone County, IA itself (R+21.5).
Where arrivals came from lean of each source
- Story County, IA170D+10.3
- Polk County, IA132D+10.8
- Dallas County, IA59R+4.7
- Greene County, IA22R+32.9
Where departures went households, 2022–23
- Story County, IA194
- Polk County, IA152
- Dallas County, IA55
- Webster County, IA23
- Hamilton County, IA20
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 | −9 |
| 2012 | −163 |
| 2013 | +144 |
| 2014 | +43 |
| 2015 | +165 |
| 2016 | +6 |
| 2017 | +67 |
| 2018 | −102 |
| 2019 | −40 |
| 2021 | +138 |
| 2022 | −92 |
| 2023 | +89 |
| 2024 | +207 |
| 2025 | +147 |
Boone County, anchored by its small county-seat city, backed Republican presidential candidates by double digits throughout the 2010s before widening that margin to R+21.4 in 2024, reflecting broader rural Iowa realignment.
Across the recorded series it reached a Democratic high of 36.7 points in 1964 and a Republican high of 48.6 points in 1920. Between 2020 and 2024 the county moved 5.9 points toward the Republican candidate; the 2024 margin was 21.5 points.
A population of 26,668, a 93% non-Hispanic-white share, and a median household income of $83,531 describe the county. The county's voting pattern over the last decade is most similar to that of Benton County and Webster 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 →
Boone County, Iowa. Akashic. https://akashic.app/county/19015/. Accessed May 20, 2026. License: CC BY 4.0.