Westport township Flag

Westport township

County:
Brown County
County Seat:
No
Area (mi²):
28.876
State:
South Dakota

Westport township is located in Brown County, South Dakota. Westport township has a 2026 population of 90. Westport township is currently growing at a rate of 2.27% annually and its population has increased by 2.27% since the most recent census, which recorded a population of 88 in 2020.

The median household income in Westport township is $75,385 with a poverty rate of 12.5%. The median age in Westport township is 54.7 years: 54.6 years for males, and 56.8 years for females. For every 100 females there are 330.8 males.

90
Total Population
3.1
Density (mi²)
2 2.27%
Growth

Westport township Population

Westport township Population

Year ↓
Population
Growth
Annual Change
20269022.27%
20258822.33%
202486-1-1.15%
202387-1-1.14%
202288-1-1.12%
20218911.14%
20208800%
2019107-1-0.93%
2018108-2-1.82%
201711010.92%
201610910.93%
2015108-1-0.92%
2014109-1-0.91%
201311021.85%
201210810.93%
201110700%
201010700%

Median Age

Overall: 54.7 years
Female: 56.8 years
Male: 54.6 years

Westport township Adults

There are 47 adults, (11 of whom are seniors) in Westport township.

Sex Ratio

Female: 13 (23.2%)
Male: 43 (76.8%)

Demographics

The racial composition of Westport township includes 94.64% White, 3.57% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White5394.64%
Other race23.57%
Native American11.79%
Race
Population ↓
Percentage (of total)
White5394.64%
Other race23.57%
Native American11.79%

Westport township Marital Status

Economics and Income Statistics

Westport township's average per capita income is $65,625. Household income levels show a median of $75,385. The poverty rate stands at 12.5%.

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
Married Families$100,833-
Households$75,385$66,375
Families$68,750$78,436
Non Families-$54,800

$65,625

Average Income

$75,385

Median Household Income

12.5%

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)