Berthoud is a Statutory Town in Larimer and Weld counties in the U.S. state of Colorado. Berthoud is situated north of the Little Thompson River, approximately halfway between the cities of Fort Collins, Colorado and Denver, Colorado along the Front Range Urban Corridor. The population of Berthoud was 5,042 at the 2010 census.
As of the census of 2000, there were 4,839 people, 1,821 households, and 1,331 families residing in the town. The population density was 1,219.7 people per square mile (470.6/km²). There were 1,883 housing units at an average density of 474.6 per square mile (183.1/km²). The racial makeup of the town was 93.18% White, 0.23% African American, 0.56% Native American, 0.60% Asian, 0.06% Pacific Islander, 3.86% from other races, and 1.51% from two or more races. Hispanic or Latino of any race were 8.06% of the population.
There were 1,821 households out of which 42.0% had children under the age of 18 living with them, 60.0% were married couples living together, 9.4% had a female householder with no husband present, and 26.9% were non-families. 22.1% of all households were made up of individuals and 7.9% had someone living alone who was 65 years of age or older. The average household size was 2.65 and the average family size was 3.12.