Ladonia, Texas
Ladonia is a small town in Fannin County in North Texas, in the rural blackland-prairie country roughly 44 miles northeast of McKinney. It sits near the North Sulphur River, a stretch known among fossil hunters for the shark teeth, mosasaur bones, ammonites, and other Cretaceous marine fossils that erode from the riverbed. The surrounding area is largely given over to farming and ranching.
Place essentials
Official Census snapshot- Census place type
- Town
- July 2025 population
- 635
- Change from 2020 base
- +6%
- Land area
- 2 sq. mi.
- County footprint
- Fannin 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 Fannin 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 Ladonia
County lines carry much of the property, land, water, and outdoors context around Ladonia.
County History
Bonham Grew from Fort Inglish and a Town Called Bois d'Arc
Bonham's names tell its early story: Fort Inglish, then Bois d'Arc, and finally a name honoring Alamo defender James Butler Bonham.
Property Tax
A Fannin Property-Tax Question May Start at the CAD
Fannin County's appraisal district values property and may collect the tax bill; the county tax office handles vehicle work but does not collect property taxes.
Notable History
Sam Rayburn Kept Coming Home to His Bonham Farm
The longest-serving U.S. House speaker spent his Washington years returning to a family farm just west of Bonham.
Nearby
Places near Ladonia
Nearby counties
Local notes for nearby counties
Next steps for Ladonia
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