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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

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%
Native Hawaiian or Pacific Islander	0	0%

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