1869History
A notable event in Farmington's history is the movement of the Dakota County Fair to Farmington in 1869.
1872Government
Farmington received its village charter in 1872, making it Dakota County's second-oldest community after the county seat, Hastings.
1879Disaster
Another event, the Great Fire of Farmington on November 22, 1879, destroyed several houses, stores, a hotel, and a grain elevator in the current downtown area.
1884Education
Farmington High School graduated its first class in 1884.
1897History
In 1897, Farmington became one of the first communities in the United States to offer rural free mail delivery.
1972History
It celebrated its centennial in 1972.
2000History
=== 2000 census ===
As of the census of 2000, there were 12,365 people, 4,169 households, and 3,255 families living in the city.
2010History
== Demographics ==
=== 2010 census ===
As of the census of 2010, there were 21,086 people, 7,066 households, and 5,426 families living in the city.
2026Government
On February 5, 2026, Mayor Joshua Hoyt resigned after a tense city council meeting.