Jefferson township Flag

Jefferson township

County:
Jay County
County Seat:
No
Area (mi²):
35.13
State:
Indiana

Jefferson township is located in Jay County, Indiana. Jefferson township has a 2026 population of 677. Jefferson township is currently declining at a rate of -1.02% annually and its population has decreased by -2.73% since the most recent census, which recorded a population of 696 in 2020.

The median household income in Jefferson township is $78,500 with a poverty rate of 4.23%. The median age in Jefferson township is 32.9 years: 32.4 years for males, and 37.2 years for females. For every 100 females there are 126.8 males.

677
Total Population
19
Density (mi²)
-7 -1.02%
Growth

Jefferson township Population

Jefferson township Population

Year ↓
Population
Growth
Annual Change
2026677-7-1.02%
2025684-7-1.01%
202469181.17%
2023683-2-0.29%
2022685-6-0.87%
2021691-5-0.72%
202069600%
2019740-10-1.33%
2018750-4-0.53%
2017754-6-0.79%
2016760-4-0.52%
2015764-1-0.13%
2014765-5-0.65%
2013770-3-0.39%
201277310.13%
201177220.26%
2010766-4-0.52%

Median Age

Overall: 32.9 years
Female: 37.2 years
Male: 32.4 years

Jefferson township Adults

There are 622 adults, (62 of whom are seniors) in Jefferson township.

Sex Ratio

Female: 354 (44.1%)
Male: 449 (55.9%)

Demographics

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

Population by Race

Race
Population ↓
Percentage (of total)
White803100%
Race
Population ↓
Percentage (of total)
White803100%

Jefferson township Marital Status

Economics and Income Statistics

Jefferson township's average per capita income is $55,509. Household income levels show a median of $78,500. The poverty rate stands at 4.23%.

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$110,647-
Families$92,083$105,539
Households$78,500$92,522
Non Families-$44,541

$55,509

Average Income

$78,500

Median Household Income

4.23%

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)