Sully County, South Dakota Population 2024

1,506
01K2K3K4K18801900192019401960198020002020YearPopulation

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)
White1,37092.51%
Black or African American745%
Two or more races291.96%
Other race80.54%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
92.51%5%Race

White

Black or African American

Two or more races

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

Sully County, South Dakota Population by Race

Sully County, South Dakota Population Pyramid 2024

0102030405060708010090807060504030201000102030405060708090100MaleFemale

Sully County, South Dakota Median Age

51.4

Total

52.3

Male

48.5

Female

Sully County, South Dakota Adults

There are 1,194 adults, (353 of whom are seniors) in Sully County, South Dakota.

Sully County, South Dakota Age Dependency

76.1

Age Dependency Ratio

42

Old Age Dependency Ratio

34.1

Child Dependency Ratio

Sully County, South Dakota Sex Ratio

Female66644.97%
Male81555.03%

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
All6242.3776.123.9
Married3292.982.117.9
Non Family2591.3366.433.6
Female233.831000
Male13776.923.1

2.91

Average Family Size

2.37

Average Household Size

76.1%

Rate of Home Ownership

52.72%41.51%Households by Type

Married

Male

Female

NonFamily

FemaleMarriedMaleAllNon Family00.10.20.30.40.50.60.70.80.91

owner

renter

Sully County, South Dakota Households and Families

Less Than 9th Grade9th to 12th GradeHigh School GraduateSome CollegeAssociates DegreeBachelors DegreeGraduate Degree050100150200250

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade423.81%
Associates Degree17716.05%
Bachelors Degree19717.86%
Graduate Degree343.08%
High School Graduate43339.26%
Less Than 9th Grade00%
Some College22019.95%
39.26%19.95%16.05%17.86%Over 25 Education

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

BlackOther Race2+ RacesWhite0%20%40%60%80%100%

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White1,0531,011231
Black37370
Other Race880
2+ Races550

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 21.94%.

Sully County, South Dakota Educational Attainment by Race

OverallLess Than 9th GradeHigh School GraduateSome CollegeBachelors DegreeGraduate Degree$0$20,000$40,000$60,000$80,000

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$46,429$47,083$45,938
Graduate Degree$57,656$0$58,594
High School Graduate$44,097$45,441$42,188
Less Than 9th Grade$0$87,813$0
Overall$46,304$50,455$42,734
Some College$52,644$61,000$22,917

$46,304

Average Earnings

$50,455

Average Male

$42,734

Average Female

Sully County, South Dakota Earnings by Educational Attainment

Sully County, South Dakota Language by Age

94.69%Languages

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Sully County, South Dakota Language

94.69% of Sully County, South Dakota residents speak only English, while 5.31% speak other languages. The non-English language spoken by the largest group is Other languages, which is spoken by 4.11% of the population.

Sully County, South Dakota Language

Sully County, South Dakota Poverty by Race

White0%1%2%3%4%5%6%7%8%9%

rate

Name
Total
In Poverty
Poverty Rate
White1,3621178.59%

7.94%

Overall Poverty Rate

7.27%

Male Poverty Rate

8.77%

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 8.59% below the poverty level.

The race least likely to be in poverty in Sully County, South Dakota is White, with 8.59% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.85%. Among those working part-time, it was 6.62%, and for those that did not work, the poverty rate was 22.97%.

Sully County, South Dakota Poverty

Less Than 9th GradeHigh SchoolSome CollegeBachelors or Greater0%2%4%6%8%10%12%14%16%18%20%22%24%

rate

Rate
Poverty
Less Than 9th Grade23.81%
High School17.55%
Some College4.79%
Bachelors or Greater2.16%

Sully County, South Dakota Poverty Rate by Education

Male EmployedMale UnemployedFemale EmployedFemale Unemployed0%0.5%1%1.5%2%2.5%3%3.5%4%4.5%

rate

Rate
Poverty
Male Employed4.18%
Male Unemployed0%
Female Employed4.4%
Female Unemployed0%

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

Sully County, South Dakota Income by Household Type

Under10k10kTo15k15kTo25k25kTo35k35kTo50k50kTo75k75kTo100k100kTo150k150kTo200kOver200k010203040

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$95,673$122,258
Households$70,250$106,129
Married Families$103,438$-999,999,999
Non Families$53,160$80,024
HouseholdsFamiliesMarried FamiliesNon Families020,00040,00060,00080,000100,000120,000

mean

median

Income by Household Type

Sully County, South Dakota Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

58.3%

Overall Marriage Rate

57.1%

Male Marriage Rate

59.8%

Female Marriage Rate

Sully County, South Dakota Married by Age and Sex

45-5455-6435-44Over 6520-3401020304050607080

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 45-54.

Sully County, South Dakota Marital Status by Race

OtherRaceWhiteWhiteNonHispanicTwoOrMoreRacesBlack0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

Sully County, South Dakota Marital Status

45.16%48.39%6.45%Veterans by War

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

51

Number of Veterans

46

Male Veterans

5

Female Veterans

War
Veterans
Vietnam15
Second Gulf War14
Korea2
First Gulf War0
World War II0

Sully County, South Dakota Veterans by War

18 to 3435 to 5455 to 6465 to 7475+0246810121416

count

Age Group
Veterans
75+16
65 to 7411
55 to 6410
35 to 548
18 to 346

Sully County, South Dakota Veterans by Age

White0510152025303540455055

count

Name
Veterans
% of Total
White514.54%

Sully County, South Dakota Veterans by Race

Sully County, South Dakota Veterans by Education

45.1%50.98%Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

31.37%

Veteran Disability Rate

Sully County, South Dakota Veterans by Education

16 - 1920 - 2425 - 2930 - 3435 - 4445 - 5455 - 5960 - 6465 - 7475+0102030405060708090100

LaborForceParticipation

71.4%

Labor Force Participation

71.4%

Employment Rate

0%

Unemployment Rate

Sully County, South Dakota Employment by Age

Black2+ RacesWhiteWhite Non-Hispanic0102030405060708090100

LaborForceParticipation

Sully County, South Dakota Employment by Race

Less Than High SchoolHigh School GraduateSome CollegeBachelors or Greater0102030405060708090100

LaborForceParticipation

Sully County, South Dakota Employment by Education

Origin of Non-Citizens

100%Origin

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

100%Origin

Europe

Asia

Africa

Oceania

Latin America

North America

66.91%

Born in Sully County, South Dakota

95.75%

Native Born

4.25%

Foreign Born

4.12%

Non Citizen

0.14%

Naturalized

Place of Birth

95.75% of Sully County, South Dakota residents were born in the United States, with 66.91% having been born in South Dakota. 4.12% 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