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Sully County Population and Races

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As of 2010-2014, the total population of Sully County is 1,461, which is 6.11% less than it was in 2000. The population growth rate is much lower than the state average rate of 10.58% and is much lower than the national average rate of 11.61%. The Sully County population density is 1.37 people per square mile, which is much lower than the state average density of 10.82 people per square mile and is much lower than the national average density of 82.73 people per square mile. The most prevalent race in Sully County is white, which represent 98.70% of the total population. The average Sully County education level is about the same as the state average and is about the same as the national average.

Topics:Population GrowthPopulation DensityPopulation by RacesPopulation by First AncestryPopulation by GenderPopulation by AgeEducationSchool EnrollmentHousehold and FamilyMarital StatusPlace of Birth and CitizenshipLanguage

Population in 2010-2014: 1,461. #62

Population Growth Since 2000, #40

Sully County
South Dakota

Population Density, #62

Sully County
1.37 per square mile
South Dakota
10.82 per square mile
82.73 per square mile

Population by Races

White:1,442 (98.70%, #3)
Black:0 (0.00%, #53)
Hispanic:39 (2.67%, #22)
Asian:0 (0.00%, #52)
Native (American Indian, Alaska Native, Hawaiian Native, etc.):4 (0.27%, #60)
One Race, Other:0 (0.00%, see rank)
Two or More Races:15 (1.03%, see rank)

*Based on 2010-2014 data. View historical race data.

Population by First Ancestry

1,259 (86.17%) out of the total population of 1,461 reported first ancestry.

 Sully County% of the Total PopulationSouth DakotaU.S.
Arab00.00%, see rank0.20%0.56%
Czech332.26%, see rank2.18%0.47%
Danish261.78%, see rank2.02%0.42%
Dutch312.12%, see rank4.76%1.40%
English16111.02%, see rank5.90%8.02%
French855.82%, see rank2.95%3.34%
German79654.48%, see rank40.25%15.03%
Greek00.00%, see rank0.13%0.41%
Hungarian00.00%, see rank0.13%0.46%
Irish29219.99%, see rank10.86%10.80%
Italian00.00%, see rank1.34%5.52%
Norwegian1429.72%, see rank13.86%1.42%
Polish50.34%, see rank1.58%3.01%
Portuguese00.00%, see rank0.08%0.44%
Russian382.60%, see rank1.31%0.92%
Scotch-Irish90.62%, see rank0.58%0.99%
Scottish221.51%, see rank1.17%1.72%
Subsaharan African110.75%, see rank0.58%0.95%
Swedish473.22%, see rank3.40%1.27%
Swiss50.34%, see rank0.39%0.30%
Ukrainian00.00%, see rank0.17%0.31%
American201.37%, see rank3.84%7.12%
Welsh10.07%, see rank0.52%0.57%

*Based on 2010-2014 data. View historical first ancestry data.

Population by Gender

Male: 817 (55.92%, see rank)
Females: 644 (44.08%, see rank)

Sully County
Male: 55.92%
Female: 44.08%
South Dakota
Male: 50.26%
Female: 49.74%
Male: 49.19%
Female: 50.81%

*Based on 2010-2014 data. View historical gender data.

Population by Age

Median Age (see rank)
Sully County
45.90 years old
South Dakota
36.80 years old
37.40 years old

Median Age, Male (see rank)
Sully County
44.80 years old
South Dakota
35.60 years old
36.10 years old

Median Age, Female (see rank)
Sully County
46.40 years old
South Dakota
38.20 years old
38.80 years old

 Sully County% of the Total PopulationSouth DakotaU.S.
Under 5 years855.82%, see rank7.10%6.36%
5 to 9 years835.68%, see rank6.91%6.51%
10 to 14 years1117.60%, see rank6.64%6.59%
15 to 19 years966.57%, see rank6.95%6.85%
20 to 24 years805.48%, see rank7.15%7.13%
25 to 34 years1379.38%, see rank13.12%13.47%
35 to 44 years1298.83%, see rank11.34%12.96%
45 to 54 years26918.41%, see rank13.41%14.09%
55 to 64 years19613.42%, see rank12.72%12.29%
65 to 74 years1349.17%, see rank7.51%7.64%
75 to 84 1067.26%, see rank4.78%4.25%
85 years and over352.40%, see rank2.36%1.85%

*Based on 2010-2014 data. View historical age data.

Education for the 25 Years and Over

 Sully CountySouth DakotaU.S.
Total 25 Years and Over Population1,006, 100%544,604209,056,129
Less Than High School90, 8.95%, see rank9.30%13.67%
High School Graduate358, 35.59%, see rank31.52%27.95%
Some College or Associate Degree293, 29.13%, see rank32.50%29.09%
Bachelor Degree229, 22.76%, see rank18.67%18.27%
Master, Doctorate, or Professional Degree36, 3.58%, see rank8.01%11.01%
USA.com Education Index#13.39, see rank13.5913.54
# Higher USA.com Education Index means more educated population.

*Based on 2010-2014 data. View historical education level data.

School Enrollment

 Sully County South DakotaU.S.
Total PublicPrivatePublicPrivatePublicPrivate
Nursery School, Preschool, Kindergarten5988.14%11.86%77.67%22.33%71.30%28.70%
Elementary School (Grades 1-8)15296.71%, see rank3.29%, see rank90.64%9.36%89.86%10.14%
High School (Grades 9-12)6298.39%, see rank1.61%, see rank92.15%7.85%90.60%9.40%
College5669.64%, see rank30.36%, see rank82.73%17.27%78.37%21.63%
Graduate School1376.92%, see rank23.08%, see rank77.44%22.56%58.86%41.14%

*Based on 2010-2014 data. View historical school enrollment data.

Household and Family

 Sully CountySouth DakotaU.S.
Total Households611, 100%327,101116,211,092
Average Household Size2.37, see rank2.452.63
1 Person Households184, 30.11%, see rank29.47%27.57%
2 or More Person Households427, 69.89%, see rank70.53%72.43%
Family Households (Families)401, 65.63%, see rank64.44%66.22%
Average Family Size3.01, see rank3.113.32
Married-Couple Family359, 58.76%, see rank50.30%48.42%
Nonfamily Households210, 34.37%, see rank35.56%33.78%

*Based on 2010-2014 data. View historical household and family data.

Marital Status of 15 Years and Over

 Sully County%South DakotaU.S.
15 Years and Over Total1,182see rank662,290252,974,135
Males, 15 Years and Over656100%, see rank330,772123,281,364
Never Married16825.61%, see rank33.60%35.77%
Married37657.32%, see rank53.49%52.04%
Widowed101.52%, see rank2.60%2.57%
Divorced10215.55%, see rank10.32%9.62%
Females, 15 Years and Over526100%, see rank331,518129,692,771
Never Married8015.21%, see rank26.41%29.48%
Married36369.01%, see rank53.01%49.19%
Widowed6512.36%, see rank9.58%9.16%
Divorced183.42%, see rank10.99%12.16%

*Based on 2010-2014 data. View historical marital status data.

Place of Birth and Citizenship

 Sully County%South DakotaU.S.
Native1,44598.90%, see rank97.08%86.93%
Born in the State of Residence1,17780.56%, see rank64.62%58.73%
Born in Different State25917.73%, see rank31.89%26.78%
Born in Puerto Rico, U.S. Island Areas,
or Born Abroad to American Parent(s)
90.62%, see rank0.57%1.42%
Foreign Born161.10%, see rank2.92%13.07%
Foreign Born with U.S. Citizenship00.00%, see rank1.09%5.99%
Foreign Born without U.S. Citizenship161.10%, see rank1.83%7.09%
Born In Europe00.00%, see rank0.43%1.53%
Born In Asia00.00%, see rank0.94%3.82%
Born In Africa110.75%, see rank0.58%0.55%
Born In Oceania00.00%, see rank0.01%0.07%
Born In Latin America00.00%, see rank0.84%6.83%
Born In Northern America50.34%, see rank0.13%0.26%

*Based on 2010-2014 data. View historical place of birth and citizenship data.

Language Spoken at Home

 Sully County%South DakotaU.S.
English58896.24%, see rank91.90%79.39%
Spanish40.65%, see rank2.54%11.75%
Other Indo-European Languages152.45%, see rank2.46%4.52%
Asian and Pacific Islander Languages00.00%, see rank0.82%3.36%
Other40.65%, see rank2.28%0.99%

*Based on 2010-2014 data. View historical language spoken at home data.

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