Letcher township Flag

Letcher township

County:
Sanborn County
County Seat:
No
Area (mi²):
35.419
State:
South Dakota

Letcher township is located in Sanborn County, South Dakota. Letcher township has a 2026 population of 125. Letcher township is currently growing at a rate of 1.63% annually and its population has increased by 5.04% since the most recent census, which recorded a population of 119 in 2020.

The median household income in Letcher township is $105,417 with a poverty rate of 0%. The median age in Letcher township is 49.9 years: 51.8 years for males, and 49.3 years for females. For every 100 females there are 78.9 males.

125
Total Population
3.5
Density (mi²)
2 1.63%
Growth

Letcher township Population

Letcher township Population

Year ↓
Population
Growth
Annual Change
202612521.63%
202512321.65%
2024121-2-1.63%
2023123-1-0.81%
202212432.48%
202112121.68%
2020119-1-0.83%
2019119-3-2.46%
2018122-1-0.81%
201712321.65%
201612132.54%
201511800%
201411800%
201311800%
2012118-2-1.67%
201112000%
201012000%

Median Age

Overall: 49.9 years
Female: 49.3 years
Male: 51.8 years

Letcher township Adults

There are 74 adults, (33 of whom are seniors) in Letcher township.

Sex Ratio

Female: 57 (55.9%)
Male: 45 (44.1%)

Demographics

The racial composition of Letcher township includes 87.25% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White8987.25%
Two or more races1312.75%
Race
Population ↓
Percentage (of total)
Two or more races65.88%
Race
Population ↓
Percentage (of total)
White8987.25%
Two or more races76.86%

Letcher township Marital Status

Economics and Income Statistics

Letcher township's average per capita income is $52,917. Household income levels show a median of $105,417. The poverty rate stands at 0%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Families$107,083$134,197
Married Families$107,083-
Households$105,417$119,548
Non Families--

$52,917

Average Income

$105,417

Median Household Income

0%

Poverty Rate

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)