List of largest Iowa cities by population

Columns: Rank | City | Population | County | Description
15 | Bettendorf | 35,813 | Scott | Bettendorf is the fourth largest city in the Quad Cities . The first modern-day riverboat casinos in the United States were launched in Bettendorf on April 1 , 1991 by local businessman Bernard Goldstein . He went on to found the Isle of Capri Casinos . Goldstein and his family members also operate Alter Companies , which is a scrap metal , barge and towboat company operating on the river waterfront . The Quad Cities Waterfront Convention Center opened by the casino and hotel in 2009 . It is owned by the city and operated by the Isle of Capri | 16 | Mason City | 27,399 | Cerro Gordo | Mason City is the county seat of Cerro Gordo County . Mason City has a very diverse employment base covering multiple sectors of the economy including Manufacturing , Health , Financial Services , Technology and Education , with no one sector or employer dominating the market | 17 | Marshalltown | 27,280 | Marshall | Marshalltown is the county seat of Marshall County | 18 | Clinton | 25,480 | Clinton | Clinton is the county seat of Clinton County | 19 | Burlington | 25,022 | Des Moines | Burlington is the county seat of Des Moines County . It is the first capital of the Iowa Territory and also one the oldest towns in Iowa . Burlington is the home of Snake Alley , once labelled the crookedest alley in the world | 20 | Ottumwa | 24,454 | Wapello | Ottumwa is located in the southeastern part of Iowa , and the city is split into northern and southern halves by the Des Moines River

Example questions:
Of the two counties in Iowa that house the city that is home to Chris Larsen Park , which is the more populous ? | What is the total population of the county with the second most populous city in Iowa ? | What other distinction besides most populous does the Iownian city with the highest population have ? | What body of water is located in the county seat of Linn County , Iowa ? | What educational institute is located in the first capital city of Iowa ?

Answers:
Woodbury | 211,226 | Capital city | Cedar River | University of Iowa