Eureka, Texas
Eureka is a small city in Navarro County, in the farm and ranch country south of the Dallas-Fort Worth area, set amid the gently rolling land of the Blackland Prairie. It sits within the belt of small communities spread across the county's open agricultural land.
Place essentials
Official Census snapshot- Census place type
- City
- July 2025 population
- 374
- Change from 2020 base
- +19.5%
- Land area
- 2.4 sq. mi.
- County footprint
- Navarro County
Place type, county footprint, and land area use the Census Bureau's January 1, 2025 geography. Population uses Vintage 2025 estimates through July 1, 2025; change compares that estimate with the April 1, 2020 estimates base. Geography file | Population file
Property here runs through the appraisal district and tax office for Navarro County. The homestead exemption, appraisal cap, protests, and any MUD, PID, or special districts all sit at the parcel level.
Official routes
Use the office for the parcel address; a mailing city is not always the governing city.
County context
What to know around Eureka
County lines carry much of the property, land, water, and outdoors context around Eureka.
Oil History
Corsicana was the site of Texas's first major commercial oil discovery
On June 9, 1894, workers drilling for city water in Corsicana accidentally struck oil, launching Texas's first commercially significant oilfield.
Property Tax
Who handles your property taxes in Navarro County
Two separate offices handle property taxes: one sets your value, and a different one collects the bill.
County History
Navarro County is named for a signer of Texas independence
Texas established Navarro County in 1846 and named it for José Antonio Navarro, a Tejano patriot who signed the Texas Declaration of Independence.
Nearby
Places near Eureka
Nearby counties
Local notes for nearby counties
Next steps for Eureka
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