How did IA-SD-39, Iowa vote in the 2024 presidential election?

IA-SD-39, Iowa voted Democratic in 2024 with a margin of D+22.5. Kamala D Harris received 17,401 votes and Donald Trump received 10,912 out of 28,841 total votes cast, a 6.3-point shift toward Republicans from 2020.

What is IA-SD-39, Iowa's political history?

IA-SD-39, Iowa has 5 presidential elections on record, spanning 2008 to 2024. It has voted Democratic in every presidential election since 2008. The largest single-election swing was 13.7 points in 2016.

What are the demographics of IA-SD-39, Iowa?

IA-SD-39, Iowa has a population of 63,936 according to the 2020 Census. The racial composition is 73.9% non-Hispanic white, 5.5% Hispanic, 12.8% Black.

Which places are most similar to IA-SD-39, Iowa?

Based on demographic and electoral similarity analysis, the three most similar state senate districts to IA-SD-39, Iowa are Idaho State Senate District 19, Kansas State Senate District 7, Maine State Senate District 29. Similarity is computed using a vector embedding of demographic, economic, and electoral characteristics.

Iowa State Senate District 39

Iowa · Latest: 2024↓ R+6.3 vs 2020

Safe Democratic — shifted 6.3pp toward Republicans in 2024 — 64K residents

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Similarity Explorer

Similar state senate districts

Nearest neighbors matched on the same place-page feature set used across the dossier system.

8 visible matches

Idaho State Senate District 19ID

Urban Competitive

D+30.1

Similarity score92%

Kansas State Senate District 7KS

Urban Competitive

D+32.2

Similarity score92%

Maine State Senate District 29ME

Urban Democratic

D+52.2

Similarity score90%

New Hampshire State Senate District 15NH

Urban Competitive

D+25.3

Similarity score90%

Minnesota State Senate District 52MN

Urban Competitive

D+28.5

Similarity score90%

Minnesota State Senate District 63MN

Urban Democratic

D+76.8

Similarity score89%

Maine State Senate District 21ME

Urban Competitive

D+8.2

Similarity score89%

Idaho State Senate District 16ID

Urban Competitive

D+19.0

Similarity score89%

Historian Query

Ask the Historian

Explore IA-SD-39's political evolution with the Historian

“How has Iowa State Senate District 39 voted in presidential elections?”

Race & Ancestry

Who Lives Here

A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.

IA-SD-39Census ACS 2024

Census race profile

Major Census race and ethnicity groups shown as a share of total population.

Expand rows for ancestry detail

White (Non-Hispanic) 73.9%Black 12.8%Hispanic 5.5%Multiracial 5.5%Asian 1.5%Native American 0.4%Native Hawaiian 0.4%

Group	IA-SD-39	State	National
White (Non-Hispanic)	73.9%	82.3%	57.4%
Black / African American	12.8%	3.9%	12.2%
Hispanic / Latino	5.5%	7.3%	19.3%
Multiracial / Other	5.5%	3.5%	4.0%
Asian	1.5%	2.5%	6.0%
Native American / Alaska Native	0.4%	0.4%	0.9%
Native Hawaiian / Pacific Islander	0.4%	0.2%	0.2%

Method notes

Census treats race and Hispanic/Latino origin as separate questions. Race categories other than Hispanic reflect total populations (small Hispanic overlap in Black, Asian, AIAN, NHPI). “Multiracial / Other” is derived as a non-overlapping remainder.

Detailed ancestry data unavailable for this geography.

Who lives in Iowa State Senate District 39? 63,936 residents as of the 2020 Census.

Demographic Comparison

Demographics

Read this geography's profile in three layers: local, state (where available), and national baseline.

IA-SD-39 vs Iowa vs National64K residents

Population & electorate

Scale, voting-age share, and this geography's footprint inside the national electorate.

Total population

Local vs state vs U.S.

64K

local

64KState 3.2MNational 334.9M

Share of U.S. population

Local vs state vs U.S.

0.02%

local

0.02%National 100%

Voting-age population

Local vs state vs U.S.

77.4%

local

77.4%State 74.1%National 75.7%

Economic profile

Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.

Median household income

Local vs state vs U.S.

N/A

local

N/AState $75,689National $83,960

Poverty rate

Local vs state vs U.S.

N/A

local

N/AState 11.1%National 12.5%

College degree

Local vs state vs U.S.

N/A

local

N/AState 31.8%National 35.6%

Homeownership

Local vs state vs U.S.

N/A

local

N/AState 71.7%National 65.2%

Community profile

Age structure, language use, and nativity signals that explain how this geography differs from state and nation.

Median age

Local vs state vs U.S.

N/A

local

N/AState 38.8 yrsNational 39.1 yrs

Age 18–29

Local vs state vs U.S.

N/A

local

N/AState 16.2%National 15.7%

Age 65+

Local vs state vs U.S.

N/A

local

N/AState 18.1%National 17.0%

Foreign born

Local vs state vs U.S.

N/A

local

N/AState 5.9%National 14.1%

Non-English at home

Local vs state vs U.S.

N/A

local

N/AState 9.1%National 22.2%

English only

Local vs state vs U.S.

N/A

local

N/AState 90.9%National 77.8%

Voter Turnout

Turnout in IA-SD-39

Estimated using 2020 Census voting-age population.

2024 Turnout

58.3%

vs Previous

-4.0pp

Voting-Age Pop

49,504

History

2008–2024

Competitiveness

How competitive is IA-SD-39?

Safe DAvg margin: D+25.1 (last 3 elections)

2008

D+37.7

2012

D+37.7

2016

D+24.0

2020

D+28.8

2024

D+22.5

Elasticity

15.2pp

margin range

Party Flips

last 30 years

5-Elec Avg

D+30.1

Other Iowa State Senate Districts

49 total

Name	Margin ↓
IA-SD-45	D+52.4
IA-SD-18	D+45.0
IA-SD-43	D+38.3
IA-SD-17	D+35.8
IA-SD-25	D+27.3
IA-SD-16	D+17.3
IA-SD-15	D+16.8
IA-SD-40	D+12.6
IA-SD-31	D+12.3
IA-SD-37	D+11.3
IA-SD-49	D+8.7
IA-SD-22	D+6.8
IA-SD-36	D+3.0
IA-SD-14	R+0.3
IA-SD-21	R+2.1
IA-SD-20	R+4.5
IA-SD-38	R+5.2
IA-SD-47	R+8.0
IA-SD-10	R+8.4
IA-SD-41	R+11.3
IA-SD-01	R+11.4
IA-SD-46	R+14.2
IA-SD-26	R+15.6
IA-SD-23	R+16.4
IA-SD-50	R+17.5

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