The census helps shape many different aspects of your community. Everyone is counted. For the first time, you can choose to respond online, by phone, or by mail. Respond today. Support Your Community. Your Response Matters. Census results help determine how billions of dollars in federal funding flow into states and communities each year. If you are not counted, Gretna suffers. If you don't fill out the census, roads cannot be maintained adequately, no new drainage projects, and less in times of need. Fill out the Census today.