Eldridge is a city in Scott County, Iowa, United States. The population was 5,651 at the 2010 census; Eldridge is a part of the Quad Cities metropolitan area and is considered a suburb.
Eldridge is located at 41°38′55″N 90°34′53″W / 41.64861°N 90.58139°W / 41.64861; -90.58139 (41.648697, -90.581492). It is located north of Davenport along U.S. Route 61.
According to the United States Census Bureau, the city has a total area of 9.4 square miles (24.3 km²), all of it land.