When you open Citizen, the status bar is located just above the map. The status bar displays the name of the community you are currently in, as well as how many other Citizen users are near you.
The distance used for the nearby user count is based on population density in your geographic area.
You can tap on the community displayed in the status bar to access more information and a historical feed of incidents reported in the community.
Read more: How do I access and follow communities?