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COUNTY · 1990 CENSUS

Sully County

South Dakota · 1,589 residents · 1,006.727 sq mi
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The short version

Sully County has lower-than-average household income, with a median household income of $23,601. Population has held roughly steady since 2000. 13% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $27,500.

At a glance
Lower income
below the US median
US median: $30,130
Older
median age 35.5
US median: 33.0
Less educated
13% hold a bachelor's degree
US average: 20%
More affordable
home values down 33%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

1,589
+2%vs 2000
vs 1,556 in 2000
1990 – 2025
2 / sq mi
+2%vs 2000
vs 2 / sq mi in 2000
US average: 221
35.5
−11%vs 2000
vs 40.0 in 2000
US average: 33.0
Population, 19902024
1K1K1K2K2K1990201020202024Sully County
20242K
1990201020202024
Section 02

Income & economy

$23,601
−4%inflation adjusted, since 2000
vs $32,500 in 2000
US average: $30,130
1990 – 2024
$11,559
−34%vs 2000
vs $17,407 in 2000
US average: $14,340
13.1%
+1.1 ptsvs 2000
vs 12.1% in 2000
US average: 13.2%
Section 03

Housing

$27,500
−33%inflation adjusted, since 2000
vs $54,200 in 2000
US average: $93,722
1990 – 2024
$250
−4%inflation adjusted, since 2000
vs $343 in 2000
US average: $450
72.6%
−3.2 ptsvs 2000
vs 75.9% in 2000
27.4% rent
1.2
−30%vs 2000
vs 1.7 in 2000
1990 – 2024
RELATED:See current rent listings in Sully County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic97.4%(1,516)
Black0%(0)
Hispanic / Latino0.8%(12)
Asian0.1%(2)
Other0%
Diversity Score2.3%(35)
1990
White, non-Hispanic99.1%(1,574)
Black0%(0)
Hispanic / Latino0.3%(5)
Asian0%(0)
Other0.9%(15)
Diversity Score3.1%(49)
3
+37%vs 2000
vs 2 in 2000
1990 – 2024
Section 05

Education

12.9%
−3.5 ptsvs 2000
vs 16.4% in 2000
US average: 20.3%
High school or higher
78.9%
−6.0 ptsvs 2000
vs 84.9% in 2000
US average: 75.2%
1.0%
−2.3 ptsvs 2000
vs 3.4% in 2000
US average: 7.1%
Section 06

Commute & transportation

27.9 min
+112%vs 2000
vs 13.1 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Sully County, South Dakota?

Sully County, South Dakota has about 1,589 residents according to the 1990 Census.

What is the median household income in Sully County, South Dakota?

The typical household in Sully County, South Dakota earns about $23,601 a year. Half of households make more than that, and half make less.

Is Sully County, South Dakota expensive?

In Sully County, South Dakota, the median home is worth about $27,500, and the typical rent is about $250 a month.

How educated are people in Sully County, South Dakota?

About 12.9% of adults age 25 and over in Sully County, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Sully County, South Dakota?

About 13.1% of people in Sully County, South Dakota live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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