Eureka

County:: Navarro County
County Seat:: No
Area (mi²):: 2.39
State:: Texas

Eureka is a city located in Navarro County, Texas. Eureka has a 2025 population of 363. Eureka is currently growing at a rate of 2.83% annually and its population has increased by 15.97% since the most recent census, which recorded a population of 313 in 2020.

The average household income in Eureka is $88,453 with a poverty rate of 15.36%.The median age in Eureka is 55.1 years: 55 years for males, and 55.1 years for females.

Demographics

The racial composition of Eureka includes 78.21% White, 3.93% Black or African American, and smaller percentages for other race, Native American, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	219	78.21%
Two or more races	46	16.43%
Black or African American	11	3.93%
Other race	2	0.71%
Native American	1	0.36%
Asian	1	0.36%

Eureka Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Eureka's average per capita income is $48,500. Household income levels show a median of $85,795. The poverty rate stands at 15.36%.

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	$89,688	-
Families	$89,063	$103,732
Households	$85,795	$88,453
Non Families	-	$24,476

$48,500

Average Income

$85,795

Median Household Income

15.36%

Poverty Rate