Greenwich (pronounced /ˈɡriːnwɪtʃ/)[4] is a census-designated place (CDP) in Sedgwick County, Kansas, United States.

Greenwich had its start by the building of the St. Louis, Fort Scott & Wichita Railroad through that territory.

[6] The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

[7] The 2020 United States census counted 64 people, 31 households, and 15 families in Greenwich.

[9] The community is served by Circle USD 375 public school district.