Brown County, South Dakota

2024 results by precinct

26 precincts · 17,043 votes cast

Trump · R+27

Harris +50

Trump +50

Hover precincts for detail. Real precinct boundaries forthcoming.

38 presidential elections

Year	Won	Margin	Democratic	Republican	Total
2024	R	−26.8%	6,075	10,645	17,043
2020	R	−23.0%	6,538	10,580	17,547
2016	R	−25.8%	5,452	9,613	16,114
2012	R	−6.7%	7,250	8,321	16,068
2008	D	+5.6%	9,041	8,067	17,426
2004	R	−13.1%	7,943	10,386	18,599
2000	D	+11.4%	9,060	7,173	16,556
1996	D	+6.8%	7,913	6,801	16,447
1992	D	+4.7%	7,521	6,665	18,047
1988	D	+0.8%	8,673	8,537	17,302
1984	R	−21.1%	6,852	10,541	17,465
1980	R	−25.0%	6,050	10,550	17,999
1976	D	+7.7%	8,888	7,609	16,633
1972	D	+0.5%	8,216	8,134	16,451
1968	D	+4.2%	7,302	6,685	14,547
1964	D	+24.5%	9,107	5,524	14,631
1960	R	−0.9%	7,893	8,037	15,930
1956	R	−6.6%	7,184	8,193	15,377
1952	R	−21.9%	6,140	9,581	15,721
1948	D	+11.7%	7,148	5,632	12,972
1944	D	+6.2%	6,352	5,611	11,963
1940	D	+9.9%	8,048	6,598	14,646
1936	D	+33.4%	9,177	4,505	13,993
1932	D	+29.6%	8,669	4,639	13,601
1928	R	−17.6%	5,065	7,266	12,522
1924	R	−52.7%	361	2,740	4,516
1920	R	−42.7%	1,364	5,581	9,871
1916	R	−0.3%	2,659	2,676	5,884
1912	D	+50.7%	2,488	0	4,908
1908	R	−18.5%	1,772	2,646	4,731
1904	R	−42.4%	988	2,737	4,127
1900	R	−11.8%	1,722	2,197	4,037
1896	D	+7.1%	1,867	1,618	3,506
1892	R	−36.6%	279	1,446	3,190
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

American

100.0%

African American

1.2%

Multiple ancestry combinations reported; no single grouping above 1%.

American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.

Source · American Community Survey 5-year estimates, 2024 release. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.

Age distribution by sex

Median age: 37.8 in this county, 39.1 nationally

Male

Age

Female

0.7%

85+

1.7%

2.3%

75–84

2.8%

4.9%

65–74

5.3%

6.3%

55–64

6.7%

5.8%

45–54

5.1%

6.4%

35–44

6.2%

6.0%

25–34

5.6%

5.4%

18–24

5.2%

9.2%

5–17

8.9%

2.6%

3.0%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$70,898

Brown County ranks near the middle of US counties.

Brown County$70,898

South Dakota$75,081

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

11.7%

Children face moderate poverty.

Children under 1818.0%

Working age (18–64)100.0%

Seniors (65+)18.0%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

0.0%

speak English only

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

29.1%

Mainline Protestant

27.8%

Other Christian

9.9%

Methodist

4.3%

Pentecostal & Holiness

2.7%

Baptist

1.1%

Non-Christian

0.3%

Source · 2020 US Religion Census. Remaining 24.8% of residents not counted as adherents by any reporting body.

Brown County anchors the agricultural northeast corner of South Dakota, with Aberdeen serving as a regional trade and healthcare center. Once competitive at the presidential level, it has shifted toward double-digit Republican margins since 2012.

The Republican margin in Brown County reached its widest at fifty-three points in 1924. The margin in 2024 was twenty-seven points, in line with the county's deep historical pattern.

Brown County's loyalty is rooted in its place. Median household income of $70,898, a 85% non-Hispanic-white share, and a population of 37,877 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Jerauld County and Miner County.

Most similar counties

Brown County has voted Republican for as long as anyone can remember.