
Greenwich
- County:
- Sedgwick County
- County Seat:
- No
- Area (mi²):
- 0.127
- State:
- Kansas
Greenwich is a CDP located in Sedgwick County, Kansas. Greenwich has a 2025 population of 110. Greenwich is currently growing at a rate of 6.8% annually and its population has increased by 77.42% since the most recent census, which recorded a population of 62 in 2020.
The average household income in Greenwich is $54,115 with a poverty rate of 25%. The median age in Greenwich is 57.8 years: 57.6 years for males, and 0 years for females.