Thomas County was founded in 1887 and named after General George Henry Thomas, a Union general in the Civil War.
Thedford is both the county seat and largest village, established with the arrival of the railroad in the late 1880s.
The county lies in Nebraska’s Sandhills, characterized by rolling grass-stabilized sand dunes and significant cattle ranching.
The Middle Loup River and Dismal River both run through the county, converging just east of the county.
It is home to part of the Nebraska National Forest, located between the Loup and Dismal Rivers.
Historical Highlights
The first homestead claim in what became Thomas County was filed in 1880, seven years before the county was officially formed.
Railroad expansion drove the creation of settlements, with five early stations: Norway, Natick, Halsey, Thedford, and Seneca — three of which became lasting communities.
When the county was organized in 1887, Thedford became the county seat, and a post office opened the same year.
The Kinkaid Act of 1904 caused a major influx of settlers seeking 640‑acre homesteads, pushing the county’s population to an all‑time high of 1,773 residents in 1920.
Many “Kinkaiders” eventually left after discovering the Sandhills were unsuitable for traditional farming, leading to consolidation into large cattle ranches, some spanning 3,500 acres by 1940.