O'Donnell, Texas
O'Donnell sits on the flat cotton farmland of the High Plains in Lynn County, about 42 miles south of Lubbock. The town is best known as the boyhood home of actor Dan Blocker, who played Hoss Cartwright on the television series Bonanza, and a monument and small museum in his memory stand downtown. Cotton farming has long defined the surrounding country.
Place essentials
Official Census snapshot- Census place type
- City
- July 2025 population
- 741
- Change from 2020 base
- +5.3%
- Land area
- 0.9 sq. mi.
- County footprint
- Dawson County and Lynn 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
O'Donnell crosses county lines, so the appraisal district and tax office depend on the parcel address. School, city-limit, MUD, PID, and other special-district lines can be different too. Start with the full county list below instead of treating one county as the answer.
Official routes
Use the office for the parcel address; a mailing city is not always the governing city.
County context
What to know around O'Donnell
County lines carry much of the property, land, water, and outdoors context around O'Donnell.
County History
Lynn County grew from open range to cotton fields in just a generation
Lynn County was created in 1876 but sat unorganized for nearly 30 years, then transformed quickly from cattle ranches into one of the High Plains' major cotton producers.
Property Tax
Two offices handle your property tax in Dawson County
Dawson County has a separate appraisal district and tax assessor-collector office, and knowing which one to contact saves time.
Property Tax
Two offices handle your property taxes in Lynn County
In Lynn County the appraisal district both values your property and collects the tax, so the office you'd expect to mail the check to isn't the one that takes it.
Nearby
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