Eureka township

County:: Sac County
County Seat:: No
Area (mi²):: 36.07
State:: Iowa

Eureka township is located in Sac County, Iowa. Eureka township has a 2025 population of 892. Eureka township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Eureka township is $85,309 with a poverty rate of 11.66%.The median age in Eureka township is 39 years: 40.6 years for males, and 34.7 years for females.

Demographics

The racial composition of Eureka township includes 79.48% White, 10.65% other race, 4.93% Native Hawaiian or Pacific Islander, and smaller percentages for Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	709	79.48%
Other race	95	10.65%
Native Hawaiian or Pacific Islander	44	4.93%
Two or more races	38	4.26%
Asian	6	0.67%

Eureka township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Eureka township's average per capita income is $46,583. Household income levels show a median of $67,273. The poverty rate stands at 11.66%.

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	$91,250	-
Families	$71,379	$98,332
Households	$67,273	$85,309
Non Families	$37,500	$50,919

$46,583

Average Income

$67,273

Median Household Income

11.66%

Poverty Rate