Eureka

County:: Clinton County
County Seat:: No
Area (mi²):: 1.009
State:: Michigan

Eureka is a CDP located in Clinton County, Michigan. Eureka has a 2025 population of 129. Eureka is currently growing at a rate of 7.5% annually but its population has decreased by -15.69% since the most recent census, which recorded a population of 153 in 2020.

The average household income in Eureka is $83,453 with a poverty rate of 18.68%.The median age in Eureka is 40.7 years: 52.5 years for males, and 31.3 years for females.

Demographics

The racial composition of Eureka includes 92.31% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	84	92.31%
Two or more races	6	6.59%
Black or African American	1	1.1%

Eureka Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Eureka's average per capita income is $45,625. Household income levels show a median of $78,500. The poverty rate stands at 18.68%.

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	$98,750	$109,609
Married Families	$98,750	-
Households	$78,500	$83,453
Non Families	-	$43,353

$45,625

Average Income

$78,500

Median Household Income

18.68%

Poverty Rate