[1] The county seat is the city of Orange,[2] and it falls within the Beaumont–Port Arthur metropolitan area.

Citrus trees produce their fruit in the wintertime, which makes them especially vulnerable to frost and icy weather.

In both Florida and Texas, the citrus agriculture has been moved farther south in search of milder winters, and away from the periodic frosts.

During World War II, Orange County was the home of a large amount of shipbuilding for the navies the United States and allied countries.

During the war, the Consolidate Steel Corporation employed as many as 20,000 people at its shipyard in Orange.

Saltwater marshes occur in much of the southeastern part of Orange County that borders the Sabine River.

Orange County lies in Texas House District 21, represented beginning in 2015 by Republican Dade Phelan of Beaumont.

Primary economic activities in Orange County are the petroleum refining industry, paper milling, rice farming, and shrimping.

Nearby Southeast Texas Regional Airport (Port Arthur) operates commercial flights.