 lamont is a city in buchanan county, iowa, united states. the population was 461 at the 2010 census. ==geography== lamont is located at  (42.600022, -91.641186). according to the united states census bureau, the city has a total area of , all of it land. ==demographics== {{historical populations |title = historical populations |type = usa |align = left |1900| 636 |1910| 571 |1920| 495 |1930| 521 |1940| 589 |1950| 574 |1960|
Cities_in_Buchanan_County,_Iowa Cities_in_Iowa