How do I find my GEOID for the Alternative Fuel Vehicle Refueling Property Credit?

The Alternative Fuel Vehicle Refueling Property Credit is for people in certain low-income areas who install energy-efficient charging stations. 

To show that you’re in an eligible census tract, you need to find your 11-digit geographic identifier (GEOID). Follow the steps under Worksheet 1 of the IRS instructions for Form 8911 to find your GEOID.