[2] It is surrounded by the General Grant Grove section of Kings Canyon National Park.

The outcome of the election was decided by votes from the mountain communities of California, which were delayed due to a snowstorm.

To commemorate the area's decisive role in President Woodrow Wilson’s reelection, the community was named Wilsonia in his honor.

[4][5] According to the United States Census Bureau, the CDP covers an area of 0.3 square miles (0.7 km2), all of it land.

[6] The entire community of Wilsonia was listed on the National Register of Historic Places in 1996.