Cresco is a city in Howard County, Iowa, United States. The population was 3,868 in the 2010 census, a decline from 3,905 in 2000 census. It is the county seat of Howard County.HistoryCresco was platted in 1866 at the time the railroad was expanding into the area. Cresco is a Latin phrase meaning "I grow". Cresco was incorporated on June 6, 1868,GeographyCresco's longitude and latitude coordinates in decimal form are 43.374491, −92.115121.According to the United States Census Bureau, the city has a total area of 3.35sqmi, all of it land.ClimateCresco experiences a humid continental climate (Köppen Dfb) with long, cold, snowy winters and very warm, humid summers.Demographics2010 censusAs of the census of 2010, there were 3,868 people, 1,660 households, and 962 families residing in the city. The population density was 1154.6PD/sqmi. There were 1,821 housing units at an average density of 543.6/sqmi. The racial makeup of the city was 97.3% White, 0.4% African American, 0.1% Native American, 0.4% Asian, 0.7% from other races, and 1.1% from two or more races. Hispanic or Latino of any race were 1.6% of the population.