Sully County, South Dakota Population 2024

1,506

Sully County, South Dakota's estimated 2024 population is 1,506 with a growth rate of 0.8% in the past year according to the most recent United States census data. Sully County, South Dakota is the 62nd largest county in South Dakota. The 2010 population was 1,377 and has seen a growth of 9.37% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20291,566120.77%
20281,554120.78%
20271,542120.78%
20261,530120.79%
20251,518120.8%
20241,506120.8%
20231,494120.81%
20221,482110.75%
20211,471201.38%
20201,451745.37%
20191,37740.29%
20181,373-27-1.93%
20171,400-9-0.64%
20161,40970.5%
20151,402-4-0.28%
20141,406-30-2.09%
20131,43670.49%
20121,429554%
20111,374-3-0.22%
20101,37700%
19901,589-401-20.15%
19801,990-372-15.75%
19702,362-245-9.4%
19602,607-106-3.91%
19502,713451.69%
19402,668-1,184-30.74%
19303,8521,02136.06%
19202,83136914.99%
19102,46274743.56%
19001,715-697-28.9%
18902,4122,116714.86%
1880296-1,270-81.1%
2024 Growth Rate
0.8% (12)
County Website
Sully County
2020 Population
1,451
Area
1007 mi²
Density
1 people/mi²
Growth Since 2020
3.79% (55)
Founded
1883

Population by Race

Race
Population
Percentage (of total)
White1,21492.11%
Black or African American725.46%
Two or more races322.43%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

White

Black or African American

Two or more races

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Sully County, South Dakota Population by Race

Sully County, South Dakota Population Pyramid 2024

Sully County, South Dakota Median Age

52.7

Total

48.1

Male

54

Female

Sully County, South Dakota Adults

There are 1,093 adults, (329 of whom are seniors) in Sully County, South Dakota.

Sully County, South Dakota Age Dependency

72.5

Age Dependency Ratio

43.1

Old Age Dependency Ratio

29.5

Child Dependency Ratio

Sully County, South Dakota Sex Ratio

Female56943.17%
Male74956.83%

Sully County, South Dakota Population by Age

Sully County, South Dakota Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All5992.1980.519.5
Married3032.6986.113.9
Non Family2571.2673.926.1
Female244.581000
Male154.3346.753.3

2.68

Average Family Size

2.19

Average Household Size

80.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Sully County, South Dakota Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade353.39%
Associates Degree15715.21%
Bachelors Degree19018.41%
Graduate Degree323.1%
High School Graduate39738.47%
Less Than 9th Grade40.39%
Some College21721.03%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Sully County, South Dakota Educational Attainment by Sex (over 25)

Sully County, South Dakota Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White979940222
Black47470
2+ Races660

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among white people with a rate of 22.68%.

Sully County, South Dakota Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$45,982$47,500$45,729
Graduate Degree$55,714$0$56,429
High School Graduate$45,085$45,170$42,031
Less Than 9th Grade$58,333$59,583$0
Overall$45,674$46,887$39,625
Some College$45,903$53,839$20,833

$45,674

Average Earnings

$46,887

Average Male

$39,625

Average Female

Sully County, South Dakota Earnings by Educational Attainment

Sully County, South Dakota Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Sully County, South Dakota Language

92.78% of Sully County, South Dakota residents speak only English, while 7.22% speak other languages. The non-English language spoken by the largest group is Other languages, which is spoken by 5.71% of the population.

Sully County, South Dakota Language

Sully County, South Dakota Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White1,2041119.22%

8.49%

Overall Poverty Rate

6.44%

Male Poverty Rate

11.19%

Female Poverty Rate

Poverty in Sully County, South Dakota

The race most likely to be in poverty in Sully County, South Dakota is White, with 9.22% below the poverty level.

The race least likely to be in poverty in Sully County, South Dakota is White, with 9.22% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.18%. Among those working part-time, it was 7.79%, and for those that did not work, the poverty rate was 17.45%.

Sully County, South Dakota Poverty

rate

Rate
Poverty
Less Than 9th Grade15.38%
High School15.37%
Some College7.22%
Bachelors or Greater1.8%

Sully County, South Dakota Poverty Rate by Education

rate

Rate
Poverty
Male Employed5.59%
Male Unemployed0%
Female Employed4.98%
Female Unemployed0%

Sully County, South Dakota Poverty Rate by Employment Status and Sex

Sully County, South Dakota Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$93,500$115,275
Households$66,875$94,785
Married Families$96,518$-999,999,999
Non Families$49,219$63,590

mean

median

Income by Household Type

Sully County, South Dakota Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

59.7%

Overall Marriage Rate

55.4%

Male Marriage Rate

65.3%

Female Marriage Rate

Sully County, South Dakota Married by Age and Sex

male

female

Sully County, South Dakota Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

Sully County, South Dakota Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Sully County, South Dakota Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

62

Number of Veterans

48

Male Veterans

14

Female Veterans

War
Veterans
Vietnam21
Second Gulf War13
World War II9
Korea2
First Gulf War0

Sully County, South Dakota Veterans by War

count

Age Group
Veterans
65 to 7421
75+18
55 to 6410
18 to 348
35 to 545

Sully County, South Dakota Veterans by Age

count

Name
Veterans
% of Total
White626.11%

Sully County, South Dakota Veterans by Race

Sully County, South Dakota Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

38.71%

Veteran Disability Rate

Sully County, South Dakota Veterans by Education

LaborForceParticipation

70%

Labor Force Participation

70%

Employment Rate

0%

Unemployment Rate

Sully County, South Dakota Employment by Age

LaborForceParticipation

Sully County, South Dakota Employment by Race

LaborForceParticipation

Sully County, South Dakota Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

72%

Born in Sully County, South Dakota

94.39%

Native Born

5.61%

Foreign Born

5.61%

Non Citizen

0%

Naturalized

Place of Birth

94.39% of Sully County, South Dakota residents were born in the United States, with 72% having been born in South Dakota. 5.61% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Africa.

Sully County, South Dakota Place of Birth

Sources