This repo is a public resource for artists.
/flags contains .svg files for each of the 50 states, 5 permanent territories, and the District of Columbia.
/misc contains insignia, historical flags, and flags of miscellaneous groups.
Images pulled from public domain on 10/11/2019: https://en.wikipedia.org/wiki/Flags_of_the_U.S._states_and_territories.
Check out https://github.com/oxguy3/flags/tree/master/svg for a comprehensive collection of state and international flags.