What is is des moines bigger than omaha?

As an AI language model, I do not have access to up-to-date information in real-time. However, according to the United States Census Bureau, as of 2020, Omaha has a population of approximately 478,192, while Des Moines has a population of about 216,853. In terms of land area, Des Moines has an area of 90.65 square miles, while Omaha has a larger area of 145.21 square miles. Therefore, in terms of population, Omaha is bigger than Des Moines, but in terms of land area, Omaha is also bigger than Des Moines.