Eagan (pronounced /iːɡɨn/) is a city south of Saint Paul in Dakota County in the U.S. state of Minnesota. The city lies on the south bank of the Minnesota River, upstream from the confluence with the Mississippi River. Eagan and nearby suburbs form the southern portion of Minneapolis-St. Paul, the sixteenth largest metropolitan area in the United States, with about 3.5 million residents. The population of Eagan was 64,206 at the 2010 census.
Originally a rural Irish farming community and "Onion Capital of the United States", Eagan became the eighth largest Minnesota city in the 2000 Census. The largest growth in Eagan took place following the relocation and expansion of Highway 77 along with the construction of the new six-lane bridge (with three northbound and three southbound lanes) over the Minnesota River in 1980 and also the completion of the final Interstate 35E freeway section southbound from Minnesota State Highway 110 in Mendota Heights to the area where it joins 35W in Burnsville in the mid 1980s. Its northern border is primarily along Interstate 494. Its southern border is about a mile south of Cliff Road. Its eastern border runs primarily along Minnesota State Highway 3. The western border runs primarily along the South bank of Minnesota River. Currently the fourth largest suburb in the metro area, Eagan is predominantly a commuter town of both Minneapolis and Saint Paul. The city's influence in the region grew when the companies Northwest Airlines (now Delta Air Lines) and Thomson West (now Thomson Reuters) established their headquarters.
Eagan was named for Patrick Eagan who was the first chairman of the town board of supervisors. Patrick Eagan tamed a 220-acre (0.89 km2) parcel of land near the present-day town hall. Eagan (born 1811) and his wife Margaret Twohy (born 1816), emigrated from Tipperary, Ireland to Troy, New York where they married in 1843. They arrived in Mendota around 1853-1854, before settling in the Eagan area.