Need Help?
AskD3AskD3 is our community request system. You can submit data questions or requests and get connected to the right person to guide you to the answer.
Just AskD3!

Send us your questions or requests and we’ll connect you to someone on our team who can guide you to the answer.
If you’d like in-person data assistance, we offer monthly office hours at Co.act Detroit. Registration is requested.
AskD3 is made possible thanks to Co.act Detroit, and the previous generous support from the Ralph C. Wilson, Jr. Foundation, and The Kresge Foundation.
FAQ
Frequently Asked Questions
How can I share my data with D3?
What can I do if I find a discrepancy in D3's data?
Thank you for your attention to detail! Our goal is to provide the most accurate data possible, so community feedback is essential to our work. If you spot an inconsistency in any of our products, please notify us through AskD3. We’ll have a team member investigate the issue and follow up with you promptly.
How can I schedule an in-person appointment with D3?
D3 offers monthly office hours at Co.act Detroit as part of Co.Lab Connect. Co.act is located at 6568 Woodward Ave., Detroit, MI 48202. Register here! If you need a response sooner than our next office hours session, just fill out the form above, and we’ll get back to you as soon as we can.
Is there a cost for your services?
We fulfill many requests through AskD3, usually free of charge. For larger or repeated requests, we do charge a fee for our services. Please contact us so our project team can help you determine the best approach.