Sully Flag

Sully

County:
Tripp County
County Seat:
No
Area (mi²):
35.639
State:
South Dakota

Sully is located in Tripp County, South Dakota. Sully has a 2025 population of 28 . Sully is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 28 in 2020.

The median age in Sully is 59.6 years: 59.9 years for males, and 20.5 years for females. For every 100 females there are 511.1 males.

28
Total Population
1
Density (mi²)

Sully Population

Sully Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Sully includes 78.18% White, and smaller percentages for Native American and multiracial populations.

Population by Race

White (78.18%)

Two or more races (20%)

Native American (1.82%)

Race
Population
Percentage (of total)
White4378.18%
Two or more races1120%
Native American11.82%

Sully Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)