(Radio Iowa) — The Iowa Attorney General’s Office is warning Iowans about looming scams involving bogus U-S Census takers. This year, for the first time, Iowans will be able to respond to the census online — or by phone or by mail. If you don’t use any of those options, someone may knock on your door in the weeks to come.

Legitimate census workers will have a photo I-D from the U.S. Department of Commerce and if you’re still not sure, call the bureau’s 800-number to verify who they are.

Don’t answer emails from what may look like the census as you won’t be sent unsolicited emails. Also, callers, mailers and people at your door from the REAL census won’t ask for your Social Security number or any personal banking information.