1840Culture
Clark, purchased 4,000 acres (1,600 ha) of land that had been part of Rancho Arroyo Seco, a Mexican land grant deeded to Joaquín de la Torre in 1840.
1902Government
== History ==
In 1902, the California Home Extension Association, founded by John S.
1905History
The land was put up for sale at a public drawing in Los Angeles in 1905.
1916Economy
The Clark Colony Water Company still holds 1916 Prior Rights guaranteeing delivery to its members a certain amount of water from the Arroyo Seco before any other agencies.
1930History
In the 1930, wells were dug to supplement water being drawn from the river, which created a year-round water supply.
1947Government
Greenfield was recognized as a municipality by the state legislature and incorporated on January 7, 1947.
1994Education
A northern campus for the Yanks Air Museum of Chino, California is under construction in Greenfield on a 440 acres (1.8 km2) plot known as the Hanson Ranch, which was purchased ...
2006History
=== 2006 ===
Greenfield is the second most populous city in the Salinas Valley and the fifth most populous city in Monterey County.
2007Culture
As of the 2007 California Department of Finance estimate, there were 16,629 people in 2,643 households, including 2,360 families, in the city.
2023History
The median household income in 2023 was $78,946, and the per capita income was $20,336.