
Guernsey
- County:
- Poweshiek County
- County Seat:
- No
- Area (mi²):
- 0.562
- State:
- Iowa
Guernsey is a city located in Poweshiek County, Iowa. Guernsey has a 2025 population of 59. Guernsey is currently declining at a rate of -1.67% annually and its population has decreased by -6.35% since the most recent census, which recorded a population of 63 in 2020.
The average household income in Guernsey is $135,287 with a poverty rate of 14.81%. The median age in Guernsey is 55.7 years: 53.3 years for males, and 72 years for females.