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state house district

Iowa 64th State House District

Office (updates table and map)

President margin by year

Place winner margin

1876–2024 · D minus R

Full record · 1876 → 2024

2024

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.

People and households

Who lives here

Exact values for this place, its state, and the United States.

Race · ethnicity · ancestry

Communities and origins

German43.3%30.5%12.5%

Irish14.5%12.8%9.4%

Norwegian10.0%4.1%—

English7.9%10.2%9.5%

American5.6%4.6%5.3%

Czech1.0%——

Polish0.8%—2.2%

Russian0.6%——

Mexican2.8%5.0%11.3%

Guatemalan1.2%0.4%0.5%

Puerto Rican0.3%0.3%1.8%

African American†0.4%2.6%9.9%

Somali0.3%——

Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.

Age and life stage

Measure	IA HD 64	Iowa	United States
Median age	44.6	38.8	39.1
Age 18–24	7.2%	10.0%	9.2%
Age 65 and older	23.3%	18.1%	17.2%

Household economy

Measure	IA HD 64	Iowa	United States
Median household income	$68,732	$75,059	$84,427
Poverty rate	10.5%	11.1%	12.5%
Bachelor's degree or higher (25+)	20.4%	31.8%	35.6%

Housing and tenure

Measure	IA HD 64	Iowa	United States
Owner-occupied homes	78.9%	71.7%	65.2%
Renter-occupied homes	21.1%	28.3%	34.8%
Median home value	$171,800	$208,000	$332,700
Median gross rent (monthly)	$787	$972	$1,413
Renters paying 30%+ of income	41.3%	43.9%	51.1%
Vacant housing units	18.3%	8.5%	10.1%

Getting to work

Measure	IA HD 64	Iowa	United States
Mean commute	23.2 min	19.8 min	26.4 min
Commutes 60 minutes or more	7.8%	4.1%	8.6%
Drives alone to work	76.1%	76.0%	68.8%
Takes public transit	0.0%	0.7%	3.2%
Works from home	7.8%	11.3%	15.1%

Languages at home

Measure	IA HD 64	Iowa	United States
Speaks a non-English language at home	8.2%	9.2%	22.3%
Spanish	4.6%	4.7%	13.6%
German or other West Germanic	1.7%	0.6%	0.5%

Religious landscape

Measure	IA HD 64	Iowa	United States
Catholic	—	14.7%	18.6%
Evangelical Protestant	—	10.9%	16.5%
Unclaimed / not counted	—	55.2%	51.5%

Origins and service

Measure	IA HD 64	Iowa	United States
Foreign-born residents	4.4%	5.9%	14.1%
Naturalized citizens	1.7%	2.6%	7.4%
Not U.S. citizens	2.7%	3.3%	6.8%
Veterans (18+)	7.2%	6.5%	6.2%
Income inequality (Gini)	0.422	0.444	0.483

American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations · American Community Survey 2024 — housing and tenure (B25003, B25002, B25077, B25064, B25070), commuting (B08013, B08303, B08301), origins and service (B05002, B21001, B19083).

President results by year

Modeled candidate-vote estimate on current district boundaries

HarrisDemocratic31.9%5,496TrumpRepublican66.7%11,473OtherAll other candidates1.4%243

R+34.7

Lead: 5,977
Total: 17,212
vs nation: R+33.3

modeled Census-place estimatemodeled estimate

BidenDemocratic34.5%6,059TrumpRepublican63.9%11,215OtherAll other candidates1.5%264

R+29.4

Lead: 5,156
Total: 17,538
vs nation: R+33.9

modeled Census-place estimatemodeled estimate

ClintonDemocratic34.6%5,785TrumpRepublican58.2%9,730OtherAll other candidates7.2%1,212

R+23.6

Lead: 3,945
Total: 16,727
vs nation: R+25.7

modeled Census-place estimatemodeled estimate

ObamaDemocratic51.5%8,516RomneyRepublican46.7%7,718OtherAll other candidates1.7%289

D+4.8

Lead: 798
Total: 16,523
vs nation: D+1.0

modeled Census-place estimatemodeled estimate

ObamaDemocratic56.6%9,322McCainRepublican41.7%6,871OtherAll other candidates1.6%271

D+14.9

Lead: 2,451
Total: 16,464
vs nation: D+7.6

modeled Census-place estimatemodeled estimate

KerryDemocratic50.0%8,330BushRepublican48.7%8,114OtherAll other candidates1.2%204

D+1.3

Lead: 216
Total: 16,648
vs nation: D+3.8

modeled Census-place estimatemodeled estimate

GoreDemocratic47.1%7,248BushRepublican49.0%7,537OtherAll other candidates3.9%605

R+1.9

Lead: 289
Total: 15,390
vs nation: R+2.4

modeled Census-place estimatemodeled estimate

ClintonDemocratic48.6%6,952DoleRepublican39.0%5,583OtherAll other candidates12.4%1,767

D+9.6

Lead: 1,369
Total: 14,302
vs nation: D+1.1

modeled Census-place estimatemodeled estimate

Key facts

2024 presidential margin: R+34.7MIT Election Lab
Population: 31,9202024 5-year
Population density: 22 / sq mi2024 5-year · TIGER/Line
Land area: 1,454 sq miTIGER/Line
Median household income: $68,7322024 5-year
White (non-Hispanic): 91.8%2024 5-year
Black: 1.0%2024 5-year
Hispanic / Latino: 4.9%2024 5-year
Peak Democratic margin: D+28.4 in 1932MIT Election Lab
Peak Republican margin: R+52.6 in 1920MIT Election Lab
Most similar: State House District 58, IA · twin score 96.7

presidential history

Party record book

Iowa 64th 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

Largest share of the presidential candidate vote cast here.

Democratic

Franklin D. Roosevelt1932

64.2%

12,236 votes · D+28.4 · modeled estimate

Runner-up · Barack Obama, 2008 · 56.6%

Republican

Warren G. Harding1920

75.6%

12,108 votes · R+52.6 · modeled estimate

Runner-up · Dwight D. Eisenhower, 1952 · 69.4%

Most votes

Largest number of votes cast for the party’s presidential nominee here.

Democratic

Franklin D. Roosevelt1932

12,236votes

64.2% of the vote · D+28.4 · modeled estimate

Runner-up · Franklin D. Roosevelt, 1936 · 11,146 votes

Republican

Dwight D. Eisenhower1952

14,001votes

69.4% of the vote · R+38.9 · modeled estimate

Runner-up · Wendell Willkie, 1940 · 13,479 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

Franklin D. Roosevelt1932

+10.6pts D vs U.S.

Place D+28.4 · U.S. D+17.8 · modeled estimate

Runner-up · Grover Cleveland, 1892 · +8.6 pts

Republican

Donald Trump2020

+33.9pts R vs U.S.

Place R+29.4 · U.S. D+4.5 · modeled estimate

Runner-up · Wendell Willkie, 1940 · +33.6 pts

current representation

Current officeholders

RJason GearhartState House · 64

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.

Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year	Vote lead	Democratic	Republican	Total
2024	R	30.0%4,933	70.0%11,502	16,435
2020	R	37.8%6,500	62.2%10,696	17,196
2018	R	43.6%5,843	56.4%7,545	13,388

With a 2024 presidential margin of R+34.7, this rural Iowa district ranks among the state's most one-sided, reflecting the broader demographic shift toward consolidated Republican dominance across Iowa's small-town and agricultural communities.

Across the recorded series it reached a Democratic high of 28.4 points in 1932 and a Republican high of 52.6 points in 1920. Between 2020 and 2024 the district moved 5.3 points toward the Republican candidate; the 2024 margin was 34.7 points.

A population of 31,920, a 92% non-Hispanic-white share, and a median household income of $68,732 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 68.

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 58

12-yr trendelasticity2020–2024 trajectory≠ Norwegian ancestry

State House District 68

12-yr trendelasticity2020–2024 trajectory≠ Norwegian ancestry

State House District 9

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 64th State House District. Akashic. https://akashic.app/sld-lower/19064/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

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Places within Iowa 64th State House District

counties it covers3

Allamakee County Clayton County Dubuque County

Frequently asked questions

How did Iowa 64th State House District vote in 2024?

In 2024, Iowa 64th State House District voted Republican by 34.7 points (R+34.7), carried by the Republican candidate. Out of 17,212 votes cast, 5,496 went Democratic and 11,473 went Republican.

When did Iowa 64th State House District last vote Democratic?

The most recent presidential election in which Iowa 64th State House District voted Democratic was 2012.

How many people live in Iowa 64th State House District?

Iowa 64th State House District has a population of 31,920 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Iowa 64th State House District?

Median household income in Iowa 64th State House District is $68,732 — below the national median of $80,734. The Iowa state median is $75,059.

What is the political history of Iowa 64th State House District?

Akashic tracks 38 presidential elections in Iowa 64th State House District from 1876 to 2024. Of those, 12 went Democratic and 25 went Republican.