Lisbon is a city in Linn County, Iowa, United States, adjacent to the city of Mount Vernon. The population was 1,898 at the 2000 census. It is part of the Cedar Rapids Metropolitan Statistical Area.
Lisbon is located at 41°55′15″N 91°23′17″W / 41.92083°N 91.38806°W / 41.92083; -91.38806 (41.920721, -91.388188).
According to the United States Census Bureau, the city has a total area of 2.1 square miles (5.5 km²), all of it land.