The terrorist attacks of September 11, 2001 left lasting trauma for our nation. The events of that day, the emergency response and the acts of selflessness that followed — from individuals sworn to duty and everyday people alike — echo in conversations about patriotism, security and service today.

Each September 11, we remember the victims and the heroes, and we reflect on the impact the day’s events had on our nation.

Explore the links below to find U.S. Census Bureau data and resources on emergency management, community resilience, volunteer service and other related subjects.