HarrisDemocratic34.8%6,325TrumpRepublican63.4%11,511OtherAll other candidates1.8%324
R+28.6- Lead
- 5,186
- Total
- 18,160
- vs nation
- R+27.1
modeled Census-place estimatemodeled estimate
Akashicstate house district
Iowa 70th State House District
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
President results by year
Modeled candidate-vote estimate on current district boundaries
BidenDemocratic37.8%7,010TrumpRepublican60.3%11,164OtherAll other candidates1.9%352
R+22.4- Lead
- 4,154
- Total
- 18,526
- vs nation
- R+26.9
modeled Census-place estimatemodeled estimate
ClintonDemocratic36.0%6,266TrumpRepublican55.6%9,689OtherAll other candidates8.4%1,471
R+19.6- Lead
- 3,423
- Total
- 17,426
- vs nation
- R+21.7
modeled Census-place estimatemodeled estimate
ObamaDemocratic51.5%9,083RomneyRepublican47.0%8,285OtherAll other candidates1.5%262
D+4.5- Lead
- 798
- Total
- 17,630
- vs nation
- D+0.7
modeled Census-place estimatemodeled estimate
ObamaDemocratic52.4%8,999McCainRepublican46.1%7,917OtherAll other candidates1.6%269
D+6.3- Lead
- 1,082
- Total
- 17,185
- vs nation
- R+1.0
modeled Census-place estimatemodeled estimate
KerryDemocratic47.2%8,134BushRepublican52.0%8,960OtherAll other candidates0.8%130
R+4.8- Lead
- 826
- Total
- 17,224
- vs nation
- R+2.3
modeled Census-place estimatemodeled estimate
GoreDemocratic46.9%7,121BushRepublican50.5%7,661OtherAll other candidates2.6%400
R+3.6- Lead
- 540
- Total
- 15,182
- vs nation
- R+4.1
modeled Census-place estimatemodeled estimate
ClintonDemocratic46.3%6,604DoleRepublican43.3%6,169OtherAll other candidates10.4%1,488
D+3.1- Lead
- 435
- Total
- 14,261
- vs nation
- R+5.5
modeled Census-place estimatemodeled estimate
Key facts
- 2024 presidential margin
- R+28.6MIT Election Lab
- Population
- 31,8002024 5-year
- Population density
- 44 / sq mi2024 5-year · TIGER/Line
- Land area
- 731 sq miTIGER/Line
- Median household income
- $83,2802024 5-year
- White (non-Hispanic)
- 92.2%2024 5-year
- Black
- 1.4%2024 5-year
- Hispanic / Latino
- 2.3%2024 5-year
- Peak Democratic margin
- D+15.8 in 1912MIT Election Lab
- Peak Republican margin
- R+52.8 in 1920MIT Election Lab
- Most similar
- State House District 84, IA · twin score 97.9
presidential history
Party record book
Iowa 70th 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
Lyndon B. Johnson1964
56.0%
7,555 votes · D+12.2 · modeled estimate
Runner-up · Grover Cleveland, 1884 · 55.5%
Republican
Warren G. Harding1920
70.5%
7,623 votes · R+52.8 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 70.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2012
9,083votes
51.5% of the vote · D+4.5 · modeled estimate
Runner-up · Barack Obama, 2008 · 8,999 votes
Republican
Donald Trump2024
11,511votes
63.4% of the vote · R+28.6 · modeled estimate
Runner-up · Donald Trump, 2020 · 11,164 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
Grover Cleveland1892
+9.7pts D vs U.S.
Place D+11.4 · U.S. D+1.7 · modeled estimate
Runner-up · Michael Dukakis, 1988 · +4.0 pts
Republican
Thomas E. Dewey1944
+31.7pts R vs U.S.
Place R+24.2 · U.S. D+7.5 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · +30.7 pts
current representation
Current officeholders
RNorlin MommsenState House · 70
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 3 House
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 of R+28.6, this 31,800-person district sits firmly in Iowa's conservative column, reflecting the broader rural realignment that has reshaped the state's legislative map over the past decade.
Across the recorded series it reached a Democratic high of 15.8 points in 1912 and a Republican high of 52.8 points in 1920. Between 2020 and 2024 the district moved 6.1 points toward the Republican candidate; the 2024 margin was 28.6 points.
A population of 31,800, a 92% non-Hispanic-white share, and a median household income of $83,280 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 84 and State House District 82.
Political twins — state-house districts
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
State House District 84
Iowa
97.9twin score
12-yr trendelasticity2020–2024 trajectory
State House District 82
Iowa
96.5twin score
12-yr trendelasticity2024 margin
State House District 68
Iowa
95.7twin score
12-yr trendelasticity2020–2024 trajectory≠ Norwegian ancestry
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Iowa 70th State House District. Akashic. https://akashic.app/sld-lower/19070/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Iowa at the ballot boxAll elections →
Places within Iowa 70th State House District
counties it covers3
Frequently asked questions
How did Iowa 70th State House District vote in 2024?
In 2024, Iowa 70th State House District voted Republican by 28.6 points (R+28.6), carried by the Republican candidate. Out of 18,160 votes cast, 6,325 went Democratic and 11,511 went Republican.
When did Iowa 70th State House District last vote Democratic?
The most recent presidential election in which Iowa 70th State House District voted Democratic was 2012.
How many people live in Iowa 70th State House District?
Iowa 70th State House District has a population of 31,800 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Iowa 70th State House District?
Median household income in Iowa 70th State House District is $83,280 — above the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Iowa 70th State House District?
Akashic tracks 38 presidential elections in Iowa 70th State House District from 1876 to 2024. Of those, 9 went Democratic and 28 went Republican.