Sully County, South Dakota

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Sully County is a United States county located in the United States of South Dakota. The population of the county was 1556 as per the 2000 census data. The July 2008 population estimate is 1356, It is the fourth smallest county by population in the U.S. state of South Dakota. According to the U.S. Census Bureau, the county has a total area of 1070.36 square miles (2772.22 sq km), of which, 1006.9 square miles (2607.86 sq km) of it is land and 63.46 square miles (164.36 sq km) of it is water, it is the 29th largest by area in the U.S. state of South Dakota. It is ranks fourth in the size of its inland waterways in South Dakota.


As of the census of 2000, there were 1556 people, 630 households, and 443 families residing in the county. The population density was 1.5 people per square mile (0.58/kmē), it is the sixth least densely populated county in the U.S. state of South Dakota. There were 844 housing units at an average density of 0.8 per square mile (0.31/kmē). The average household size was 2.47 and the average family size was 2.99. In the county the population was distributed as follows: 25.5% under the age of 18, 6.1% from 18 to 24, 26.5% from 25 to 44, 24.4% from 45 to 64, and 17.4% who were 65 or older. For every 100 females there were 105.5 males. For every 100 females age 18 and over, there were 108.5 males. According to July 2008 Census Bureau estimates, the population of the county is 1356, The racial makeup of the county was 1312 White, 0 Black or African American, 26 American Indian, 2 Asian, 0 Native Hawaiian, and 16 from two or more races.

Population 2000-2008

School Enrollment 2000

GDP 2000

The median income for a household in the county was $32500, making its South Dakota's 22nd highest county by median household income. The median income for a family in the county was $38304, it is the 27th wealthiest county in terms of median family income. The per capita income for the county was $17407, making it the 17th highest county by per capita income in South Dakota.

In 2000, 358 pupils and students, of which 48.32% are male and 51.68% are female, 23.01% of the total population, are in the education system. Of which, percentage of enrollment student are in, 4.19% nursery or pri school, 5.03% kindergarten, 54.47% elementary school, 32.68% high school and 3.63% College graduate school.

Rank	City	County	Total Area mi2	Land Area mi2	Water Area mi2	Population	Density mi2	Per capita Income	House hold Income
1	Agar Town	Sully County	0.17	0.17	0	82	487.8	21812	28125
2	Onida City	Sully County	0.63	0.63	0	740	1165.9	19340	35750

Year	Population
April 2000 census	1556
April 2000 Estimate	1556
July 2000 Estimate	1548
July 2001 Estimate	1532
July 2002 Estimate	1483
July 2003 Estimate	1427
July 2004 Estimate	1398
July 2005 Estimate	1390
July 2006 Estimate	1393
July 2007 Estimate	1396
July 2008 Estimate	1356

School	Male	Female	Total
Nursery school	2	13	15
Kindergarten	8	10	18
Elementary school	96	99	195
High school	61	56	117
College or graduate school	6	7	13

Place	Median household income	Median family income	Per capita income
Sully County, South Dakota	$32500	$38304	$17407
South Dakota, United States	$35282	$43237	$17562
United States	$41994	$50046	$21587