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COUNTY · 2000 CENSUS

Sully County

South Dakota · 1,556 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 $32,500. Population has held roughly steady since 1990. Median home value has more than doubled since 1990, reaching $54,200.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 40.0
US median: 35.2
Less educated
16% hold a bachelor's degree
US average: 24%
Less affordable
home values up 50%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

1,556
−2%since 1990
from 1,589 in 1990
1990 – 2025
2 / sq mi
−2%since 1990
from 2 / sq mi in 1990
US average: 242
40.0
+13%since 1990
from 35.5 in 1990
US average: 35.2
Population, 19902024
1K1K1K2K2K1990201020202024Sully County
20242K
1990201020202024
Section 02

Income & economy

$32,500
+5%inflation adjusted, since 1990
from $23,601 in 1990
US average: $42,589
1990 – 2024
$17,407
+51%since 1990
from $11,559 in 1990
US average: $21,522
12.1%
−1.1 ptssince 1990
from 13.1% in 1990
US average: 12.4%
Section 03

Housing

$54,200
+50%inflation adjusted, since 1990
from $27,500 in 1990
US average: $120,530
1990 – 2024
$343
+4%inflation adjusted, since 1990
from $250 in 1990
US average: $602
75.9%
+3.2 ptssince 1990
from 72.6% in 1990
24.1% rent
1.7
+43%since 1990
from 1.2 in 1990
1990 – 2024
RELATED:See current rent listings in Sully County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic99.1%(1,574)
Black0%(0)
Hispanic / Latino0.3%(5)
Asian0%(0)
Diversity Score3.1%(49)
2000
White, non-Hispanic97.4%(1,516)
Black0%(0)
Hispanic / Latino0.8%(12)
Asian0.1%(2)
Diversity Score2.3%(35)
2
−27%since 1990
from 3 in 1990
1990 – 2024
Section 05

Education

16.4%
+3.5 ptssince 1990
from 12.9% in 1990
US average: 24.4%
High school or higher
84.9%
+6.0 ptssince 1990
from 78.9% in 1990
US average: 80.3%
3.4%
+2.3 ptssince 1990
from 1.0% in 1990
US average: 8.8%
Section 06

Commute & transportation

13.1 min
−53%since 1990
from 27.9 min in 1990
US average: 17.6
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 1,556 residents according to the 2000 Census.

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

The typical household in Sully County, South Dakota earns about $32,500 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 $54,200, and the typical rent is about $343 a month.

How educated are people in Sully County, South Dakota?

About 16.4% 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 12.1% of people in Sully County, South Dakota live below the federal poverty line.

Has Sully County, South Dakota grown since 1990?

Yes, Sully County, South Dakota has shrunk since 1990. The population has lost about 33 residents, a change of about -2 percent over that period.

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

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