Webster City is a city in Hamilton County, Iowa, United States. The population was 8,070 at the United States 2010 Census. It is the county seat of Hamilton County. Webster City is known as 'Boone River Country' as the Boone River meanders along the east side of the city.
Webster City was originally called New Castle, and under the latter name was platted in 1850. It was renamed in 1856, after Daniel Webster.
Webster City is located at 42°27′59″N 93°49′14″W / 42.46639°N 93.82056°W / 42.46639; -93.82056 (42.466300, -93.820582).
According to the United States Census Bureau, the city has a total area of 8.88 square miles (23.00 km2), of which, 8.86 square miles (22.95 km2) is land and 0.02 square miles (0.05 km2) is water.
As of the census of 2010, there were 8,070 people, 3,433 households, and 2,096 families residing in the city. The population density was 910.8 inhabitants per square mile (351.7/km2). There were 3,800 housing units at an average density of 428.9 per square mile (165.6/km2). The racial makeup of the city was 90.8% White, 0.4% African American, 0.2% Native American, 3.4% Asian, 3.5% from other races, and 1.7% from two or more races. Hispanic or Latino of any race were 7.4% of the population.