It is named for Thomas Jefferson Chambers,[6] a major general in the Texas Revolution.

In 2019, Atlas Air Flight 3591, a cargo flight operating for Amazon Air, crashed in the Trinity Bay, in Chambers County and near Anahuac, while flying from Miami to Houston.

A small portion of the southeastern area lies on the coast of the Gulf of Mexico.

As of the census of 2000,[14] 26,031 people, 9,139 households, and 7,219 families were residing in the county.

About 17.80% of all households were made up of individuals, and 6.70% had someone living alone who was 65 years of age or older.

Commissioners are elected to four-year terms from single-member districts.

As of 2020 all elected county offices are represented by Republicans with the retirement of the Precinct 5 Constable Cecil.

[19] The county operates two airports in unincorporated areas: In addition, RWJ Airpark, a privately owned airport for public use, is located in Beach City.