Lamont is a city in Buchanan County, Iowa, United States. The population was 429 at the time of the 2020 census. History Lamont was first settled in 1852. A post office was established here in 1875. The Chicago Great Western Railway made it a stop on the railroad in 1886. Geography Lamont is located at (42.600022, -91.641186). According to the United States Census Bureau, the city has a total area of , all land. Demographics 2010 census As of the census of 2010, there were 461 people, 193 households, and 121 families living in the city. The population density was . There were 212 housing units at an average density of . The racial makeup of the city was 98.3% White, 0.2% African American, 0.4% Native American, 0.4% Asian, and 0.7% from two or more races. Hispanic or Latino of any race were 0.4% of the population. There were 193 households, of which 30.6% had children under the age of 18 living with them, 47.2% were married couples living together, 13.0% had a female householder with no husband present, 2.6% had a male householder with no wife present, and 37.3% were non-families. 33.2% of all households were made up of individuals, and 14.5% had someone living alone who was 65 years of age or older. The average household size was 2.39 and the average family size was 3.06. The median age in the city was 37.7 years. 28.9% of residents were under the age of 18; 6.1% were between the ages of 18 and 24; 23.4% were from 25 to 44; 27.9% were from 45 to 64; and 13.7% were 65 years of age or older. The gender makeup of the city was 51.0% male and 49.0% female. 2000 census As of the census of 2000, there were 503 people, 213 households, and 141 families living in the city. The population density was . There were 227 housing units at an average density of . The racial makeup of the city was 100.00% White. Hispanic or Latino of any race were 0.40% of the population. There were 213 households, out of which 30.0% had children under the age of 18 living with them, 53.5% were married couples living together, 10.8% had a female householder with no husband present, and 33.8% were non-families. 30.5% of all households were made up of individuals, and 13.6% had someone living alone who was 65