[3] Aransas County comprises the Rockport, Texas micropolitan statistical area.

Spanish conquistador and cartographer Alonso Álvarez de Pineda was likely the first European to encounter this land when he sailed along the Texas coast in the summer of 1519 and charted Aransas Bay.

[4] In August 2017, Hurricane Harvey inflicted tremendous damage on the county.

[5] As of the 2020 United States census, there were 23,830 people, 9,917 households, and 6,303 families residing in the county.

Most county residents, including the cities of Rockport and Fulton, are served by the Rockport-Fulton Independent School District.

[13] Aransas County Airport is located in Fulton, north of Rockport.