How did SD-SD-15, South Dakota vote in the 2024 presidential election?

SD-SD-15, South Dakota voted Democratic in 2024 with a margin of D+8.1. Kamala D Harris received 4,032 votes and Donald Trump received 3,411 out of 7,707 total votes cast, a 3.6-point shift toward Democrats from 2020.

What is SD-SD-15, South Dakota's political history?

SD-SD-15, South Dakota has 5 presidential elections on record, spanning 2008 to 2024. Democrats have won 4 and Republicans 1 of those contests. The largest single-election swing was 31.6 points in 2012.

What are the demographics of SD-SD-15, South Dakota?

SD-SD-15, South Dakota has a population of 26,133 according to the 2020 Census. The racial composition is 65.7% non-Hispanic white, 9.1% Hispanic, 10.9% Black.

Which places are most similar to SD-SD-15, South Dakota?

Based on demographic and electoral similarity analysis, the three most similar state senate districts to SD-SD-15, South Dakota are Montana State Senate District 41, Rhode Island State Senate District 29, Rhode Island State Senate District 26. Similarity is computed using a vector embedding of demographic, economic, and electoral characteristics.

South Dakota State Senate District 15

South Dakota · Latest: 2024↑ D+3.6 vs 2020

Leans Democratic — shifted 3.6pp toward Democrats in 2024 — 26K residents

Ask Historian Open in Explore CompareShare image

Similarity Explorer

Similar state senate districts

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

8 visible matches

Montana State Senate District 41MT

Urban Competitive 3

D+6.8

Similarity score94%

Rhode Island State Senate District 29RI

Urban Competitive 3

D+7.9

Similarity score94%

Rhode Island State Senate District 26RI

Urban Competitive 3

D+6.2

Similarity score92%

Idaho State Senate District 18ID

Urban Competitive 3

D+22.8

Similarity score91%

New Hampshire State Senate District 4NH

Urban Competitive 3

D+21.3

Similarity score90%

Delaware State Senate District 9DE

Urban Democratic

D+24.0

Similarity score89%

Indiana State Senate District 4IN

Urban Competitive 3

R+1.7

Similarity score89%

Rhode Island State Senate District 37RI

Urban Competitive 3

D+32.4

Similarity score88%

Historian Query

Ask the Historian

Explore SD-SD-15's political evolution with the Historian

“How has South Dakota State Senate District 15 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.

SD-SD-15Census 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) 65.7%Black 10.9%Hispanic 9.1%Native American 7.9%Multiracial 4.3%Asian 2.1%

Group	SD-SD-15	State	National
White (Non-Hispanic)	65.7%	79.8%	57.4%
Black / African American	10.9%	2.3%	12.2%
Hispanic / Latino	9.1%	4.8%	19.3%
Native American / Alaska Native	7.9%	7.5%	0.9%
Multiracial / Other	4.3%	4.2%	4.0%
Asian	2.1%	1.4%	6.0%
Native Hawaiian / Pacific Islander	0.1%	<0.1%	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 South Dakota State Senate District 15? 26,133 residents as of the 2020 Census.

Demographic Comparison

Demographics

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

SD-SD-15 vs South Dakota vs National26K residents

Population & electorate

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

Total population

Local vs state vs U.S.

26K

local

26KState 907KNational 334.9M

Share of U.S. population

Local vs state vs U.S.

0.01%

local

0.01%National 100%

Voting-age population

Local vs state vs U.S.

81.1%

local

81.1%State 72.3%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 $75,136National $83,960

Poverty rate

Local vs state vs U.S.

N/A

local

N/AState 11.9%National 12.5%

College degree

Local vs state vs U.S.

N/A

local

N/AState 31.9%National 35.6%

Homeownership

Local vs state vs U.S.

N/A

local

N/AState 68.6%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 38.2 yrsNational 39.1 yrs

Age 18–29

Local vs state vs U.S.

N/A

local

N/AState 15.5%National 15.7%

Age 65+

Local vs state vs U.S.

N/A

local

N/AState 18.0%National 17.0%

Foreign born

Local vs state vs U.S.

N/A

local

N/AState 4.0%National 14.1%

Non-English at home

Local vs state vs U.S.

N/A

local

N/AState 7.1%National 22.2%

English only

Local vs state vs U.S.

N/A

local

N/AState 92.9%National 77.8%

Voter Turnout

Turnout in SD-SD-15

Estimated using 2020 Census voting-age population.

2024 Turnout

36.3%

vs Previous

-16.6pp

Voting-Age Pop

21,204

History

2008–2024

Competitiveness

How competitive is SD-SD-15?

Lean DAvg margin: D+6.1 (last 3 elections)

2008

D+24.2

2012

R+7.4

2016

D+5.7

2020

D+4.4

2024

D+8.1

Elasticity

31.6pp

margin range

Party Flips

last 30 years

5-Elec Avg

D+7.0

Other South Dakota State Senate Districts

34 total

Name	Margin ↓
SD-SD-10	D+7.5
SD-SD-27	R+0.2
SD-SD-32	R+1.8
SD-SD-14	R+3.4
SD-SD-12	R+5.2
SD-SD-07	R+7.3
SD-SD-11	R+9.6
SD-SD-13	R+10.3
SD-SD-26	R+12.4
SD-SD-34	R+16.3
SD-SD-17	R+18.7
SD-SD-01	R+23.0
SD-SD-09	R+23.9
SD-SD-03	R+23.9
SD-SD-02	R+29.3
SD-SD-31	R+30.5
SD-SD-06	R+32.6
SD-SD-35	R+33.8
SD-SD-33	R+34.8
SD-SD-18	R+34.9
SD-SD-08	R+36.6
SD-SD-05	R+38.0
SD-SD-25	R+39.5
SD-SD-22	R+40.0
SD-SD-20	R+40.1

Upgrade Path

Unlock Legislative District Analytics

Advance from the public dossier into precinct-level, insight-rich district intelligence.

Target plan Pro$33/mo

Precinct data, Smart Insights, full history, and export controls tailored to place pages.

Precinct-Level Data

See results for every neighborhood and voting precinct

Smart Insights

Automated highlights from recent election patterns

Full Historical Access

165 years of election data at every level of geography

CSV Exports

Download any table or chart as a CSV file

Upgrade to Pro$33/mo