City of Muenster issued the following announcement on Aug. 11.
Hello Muenster!! The Census bureau will be going to door to door. We do have some locals that are going to be going door to door and there will be strangers. They will have identification on their person visible at all times, masks on their face and the car should have a sign in the window showing that they are Census workers. They should state their name and let you know that they are working for the Census bureau.
Original source can be found here.