Where do people go to donate blood?

It ultimately depends on the area in which you live in, but blood donations can be given at blood drives that are hosted by certain organizations at various locations. There are multiple areas that can host blood drives in any given area, including schools, office parking lots, and many other areas. The best way to find out where blood donations are being held is through a blood center's website; the one that is closest to your area. They will usually always have a section of the site dedicated to updating the latest locations where someone can give blood.