Sully County Summary

Life in Sully County research summary. HomeSnacks has been researching the quality of life in Sully County over the past eight years using Census data, FBI crime data, cost of living data, and other primary sources. Based on the most recently available data, we found the following about life in Sully County:

  • The population in Sully County is 1,318.

  • The median home value in Sully County is $276,783.

  • The median income in Sully County is $66,875.

  • The median rent in Sully County is $935.

  • The poverty rate in Sully County is 8.5%.

  • The average high in Sully County is 65.6° and there are 43.4 inches of rainfall annually.

Cities & Towns in Sully County

List Of Cities & Towns in Sully County

Onida, SD Population 586

Agar, SD Population 97

Cow Creek, SD Population 74

Map Of Sully County

Sully County, SD Weather

  • The average high in Sully County is 65.6°.

  • There are 66.15 nice days each year.

  • Expect an average of 43.4 inches of rain each year with 10.9 inches of snow.

  • There is an average of 5:49 hours of sun each day in Sully County.

StatSully County
Mean High65.6
Nice Days66.15
Rainfall43.4
Snowfall10.9
Sunny_hours5:49
65.6°
Average High
43.4
Inches of Rain

Sully County Demographics

Population over time in Sully County

The current population in Sully County is 1,318. The population has decreased -2.0% from 2019.

Year Population % Change
2022 1,279 0.1%
2021 1,278 -2.1%
2020 1,305 -

Gender in Sully County

  • Sully County is 43.2% female with 569 female residents.

  • Sully County is 56.8% male with 748 male residents.

Female
43.2% (569)
Male
56.8% (748)
Gender Sully County SD USA
Female 43.2% 49.3% 50.4%
Male 56.8% 50.7% 49.6%

Race / Ethnicity in Sully County

Sully County is:

  • 92.1% White with 1,214 White residents.

  • 5.5% African American with 72 African American residents.

  • 0.0% American Indian with 0 American Indian residents.

  • 0.0% Asian with 0 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 0.0% Other with 0 Other residents.

  • 2.4% Two Or More with 32 Two Or More residents.

  • 0.0% Hispanic with 0 Hispanic residents.

White
92.1% (1,214)
African American
5.5% (72)
American Indian
0.0% (0)
Asian
0.0% (0)
Hawaiian
0.0% (0)
Other
0.0% (0)
Two Or More
2.4% (32)
Hispanic
0.0% (0)

Table: Sully County By Race

Race Sully County SD USA
White 92.1% 80.6% 58.9%
African American 5.5% 2.2% 12.1%
American Indian 0.0% 7.6% 0.6%
Asian 0.0% 1.4% 5.7%
Hawaiian 0.0% 0.1% 0.2%
Other 0.0% 0.2% 0.4%
Two Or More 2.4% 3.5% 3.5%
Hispanic 0.0% 4.4% 18.7%

Household Income For Sully County, South Dakota

  • 4.5% of households in Sully County earn Less than $10,000.

  • 4.7% of households in Sully County earn $10,000 to $14,999.

  • 6.2% of households in Sully County earn $15,000 to $24,999.

  • 5.3% of households in Sully County earn $25,000 to $34,999.

  • 9.0% of households in Sully County earn $35,000 to $49,999.

  • 28.2% of households in Sully County earn $50,000 to $74,999.

  • 12.2% of households in Sully County earn $75,000 to $99,999.

  • 16.2% of households in Sully County earn $100,000 to $149,999.

  • 5.2% of households in Sully County earn $150,000 to $199,999.

  • 8.5% of households in Sully County earn $200,000 or more.

Less than $10,000
4.5% (59)
$10,000 to $14,999
4.7% (61)
$15,000 to $24,999
6.2% (81)
$25,000 to $34,999
5.3% (70)
$35,000 to $49,999
9.0% (118)
$50,000 to $74,999
28.2% (371)
$75,000 to $99,999
12.2% (160)
$100,000 to $149,999
16.2% (213)
$150,000 to $199,999
5.2% (68)
$200,000 or more
8.5% (112)
Income Sully County SD USA
Less than $10,000 4.5% 4.2% 4.9%
$10,000 to $14,999 4.7% 3.7% 3.8%
$15,000 to $24,999 6.2% 7.3% 7.0%
$25,000 to $34,999 5.3% 8.2% 7.4%
$35,000 to $49,999 9.0% 12.3% 10.7%
$50,000 to $74,999 28.2% 17.8% 16.1%
$75,000 to $99,999 12.2% 15.0% 12.8%
$100,000 to $149,999 16.2% 17.6% 17.1%
$150,000 to $199,999 5.2% 7.4% 8.8%
$200,000 or more 8.5% 6.5% 11.4%

Highest level of educational attainment in Sully County for adults over 25

  • 3.0% of adults in Sully County completed < 9th grade.

  • 3.0% of adults in Sully County completed 9-12th grade.

  • 38.0% of adults in Sully County completed high school / ged.

  • 21.0% of adults in Sully County completed some college.

  • 15.0% of adults in Sully County completed associate's degree.

  • 18.0% of adults in Sully County completed bachelor's degree.

  • 2.0% of adults in Sully County completed master's degree.

  • 0.0% of adults in Sully County completed professional degree.

  • 0.0% of adults in Sully County completed doctorate degree.

< 9th Grade
3% (39)
9-12th Grade
3% (39)
High School / GED
38% (500)
Some College
21% (276)
Associate's Degree
15% (197)
Bachelor's Degree
18% (237)
Master's Degree
2% (26)
Professional Degree
0% (0)
Doctorate Degree
0% (0)
Education Sully County SD USA
< 9th Grade 3% 2% 3%
9-12th Grade 3% 5% 6%
High School / GED 38% 30% 26%
Some College 21% 20% 20%
Associate's Degree 15% 12% 9%
Bachelor's Degree 18% 21% 21%
Master's Degree 2% 7% 10%
Professional Degree 0% 2% 2%
Doctorate Degree 0% 1% 2%

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