Gem township Flag

Gem township

County:
Brown County
County Seat:
No
Area (mi²):
66.237
State:
South Dakota

Gem township is located in Brown County, South Dakota. Gem township has a 2026 population of 190. Gem township is currently declining at a rate of -0.52% annually and its population has decreased by -2.56% since the most recent census, which recorded a population of 195 in 2020.

The median household income in Gem township is $74,389 with a poverty rate of 0%. The median age in Gem township is 66.2 years: 70.8 years for males, and 58.4 years for females. For every 100 females there are 65.5 males.

190
Total Population
2.9
Density (mi²)
-1 -0.52%
Growth

Gem township Population

Gem township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026190-1-0.52%
2025191-1-0.52%
2024192-1-0.52%
2023193-2-1.03%
2022195-1-0.51%
202119610.51%
2020195-1-0.51%
2019218-2-0.91%
2018220-5-2.22%
201722541.81%
201622110.45%
201522000%
2014220-1-0.45%
201322100%
201222120.91%
201121920.92%
201021700%

Median Age

Overall: 66.2 years
Female: 58.4 years
Male: 70.8 years

Gem township Adults

There are 202 adults, (126 of whom are seniors) in Gem township.

Sex Ratio

Female: 148 (60.4%)
Male: 97 (39.6%)

Demographics

The racial composition of Gem township includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White245100%
Race
Population ↓
Percentage (of total)
White245100%

Gem township Marital Status

Economics and Income Statistics

Gem township 's average per capita income is $45,972. Household income levels show a median of $74,389. 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$74,417$83,845
Married Families$74,417-
Households$74,389$81,378
Non Families-$69,563

$45,972

Average Income

$74,389

Median Household Income

0%

Poverty Rate

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)