[2] Pernitas Point is located at 28°3′31″N 97°54′6″W / 28.05861°N 97.90167°W / 28.05861; -97.90167 (28.058724, -97.901757),[3] in the southeastern corner of Live Oak County and the northeastern corner of Jim Wells County, on a point of land extending into Lake Corpus Christi, a reservoir on the Nueces River.
According to the United States Census Bureau, in 2000 the village had a total area of 0.6 square miles (1.6 km2), all land.
The racial makeup of the village was 96.65% White, 0.74% African American, 0.37% Asian, and 2.23% from two or more races.
25.6% of all households were made up of individuals, and 11.6% had someone living alone who was 65 years of age or older.
About 2.4% of families and 3.6% of the population were below the poverty line, including 10.4% of those under the age of eighteen and none of those 65 or over.