Duval County
San Diego, Duval County, Texas
Marker Inscription
Created by the Texas Legislature in 1858 and organized in 1879, Duval County played an important role in the economic and political development of South Texas. Early settlers came to this area in the mid-19th century from Mexico, and Anglo pioneers began arriving in the 1860s. The early economy was based on ranching and agriculture. In the late 1870s the railroad brought increased employment and population to the county. The discovery of oil, gas, and uranium in the early 1900s boosted the economy and caused increased settlement in the region. (1996)
Erected by Texas Historical Commission
The Story
Created by the legislature in 1858 and organized in 1879, Duval County took shape as settlers arrived — first from Mexico in the mid-19th century, then Anglo pioneers in the 1860s — building an economy on ranching and farming. The railroad's arrival in the late 1870s swelled population and employment, and the early-1900s discovery of oil, gas, and uranium brought a fresh wave of settlement. Its layered history reflects the blended cultures and resource booms of South Texas.
Why it matters
Duval County typifies the South Texas borderlands, where Mexican and Anglo settlement, ranching, and mineral wealth combined to shape a distinctive regional identity.
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Themes & tags
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