Peno Flag

Peno

County Seat:
No
Area (mi²):
35.77
State:
South Dakota

Peno is located in Pennington County, South Dakota. Peno has a 2025 population of 33 . Peno is currently growing at a rate of 3.13% annually and its population has increased by 6.45% since the most recent census, which recorded a population of 31 in 2020.

The median age in Peno is 6.6 years: 0 years for males, and 0 years for females. For every 100 females there are 116.7 males.

33
Total Population
1
Density (mi²)
1 3.13%
Growth

Peno Population

Peno Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Peno includes 76.92% White, 23.08% Native American, and smaller percentages for and multiracial populations.

Population by Race

White (76.92%)

Native American (23.08%)

Race
Population
Percentage (of total)
White1076.92%
Native American323.08%

Peno 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)