- Lead
- 4,880
- Total
- 16,057
- vs nation
- R+28.9
Iowa 68th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 3,757
- Total
- 16,498
- vs nation
- R+27.2
- Lead
- 2,791
- Total
- 16,141
- vs nation
- R+19.4
- Lead
- 1,555
- Total
- 16,658
- vs nation
- D+5.5
- Lead
- 2,172
- Total
- 16,347
- vs nation
- D+6.0
- Lead
- 30
- Total
- 16,523
- vs nation
- D+2.3
- Lead
- 3
- Total
- 15,061
- vs nation
- R+0.5
- Lead
- 1,645
- Total
- 14,669
- vs nation
- D+2.7
Key facts
- 2024 presidential margin
- R+30.4MIT Election Lab
- Population
- 31,7472024 5-year
- Population density
- 31 / sq mi2024 5-year · TIGER/Line
- Land area
- 1,039 sq miTIGER/Line
- Median household income
- $67,4842024 5-year
- White (non-Hispanic)
- 93.5%2024 5-year
- Black
- 0.8%2024 5-year
- Hispanic / Latino
- 2.3%2024 5-year
- Peak Democratic margin
- D+17.4 in 1912MIT Election Lab
- Peak Republican margin
- R+59.1 in 1920MIT Election Lab
- Most similar
- State House District 58, IA · twin score 96.7
presidential history
Party record book
Iowa 68th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Franklin D. Roosevelt1932
56.8%
9,407 votes · D+13.6 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 56.6%
Republican
Warren G. Harding1920
78.5%
10,682 votes · R+59.1 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 67.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
9,588votes
56.6% of the vote · D+13.2 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 9,407 votes
Republican
Dwight D. Eisenhower1952
12,260votes
67.4% of the vote · R+35.1 · modeled estimate
Runner-up · Richard Nixon, 1960 · 11,045 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Michael Dukakis1988
+12.0pts D vs U.S.
Place D+4.3 · U.S. R+7.7 · modeled estimate
Runner-up · Barack Obama, 2008 · +6.0 pts
Republican
Warren G. Harding1920
+32.9pts R vs U.S.
Place R+59.1 · U.S. R+26.2 · modeled estimate
Runner-up · Donald Trump, 2024 · +28.9 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
With a 2024 presidential margin exceeding 30 points, this rural Iowa district sits well outside competitive territory, making it a benchmark for gauging baseline Republican strength in the state's legislative map.
Across the recorded series it reached a Democratic high of 17.4 points in 1912 and a Republican high of 59.1 points in 1920. Between 2020 and 2024 the district moved 7.6 points toward the Republican candidate; the 2024 margin was 30.4 points.
A population of 31,747, a 94% non-Hispanic-white share, and a median household income of $67,484 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 58 and State House District 8.
The state-house districts 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.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Iowa 68th State House District. Akashic. https://akashic.app/sld-lower/19068/. Accessed May 20, 2026. License: CC BY 4.0.