Clive Encourages Residents to Complete Census Online The internet self-response portion of the special census ends September 23. CLIVE, IA – Clive residents are asked to complete the special census online before it closes on Tuesday, September 23, 2025. The U.S. Census Bureau recently sent internet self-response materials to residents within areas that have experienced recent growth or development. The partial census will provide an updated population count, which will help Clive's eligibility