Promise City
- County:
- Wayne County
- County Seat:
- No
- Area (mi²):
- 0.184
- State:
- Iowa
Promise City is a city located in Wayne County, Iowa. Promise City has a 2026 population of 91. Promise City is currently growing at a rate of 1.11% annually and its population has increased by 2.25% since the most recent census, which recorded a population of 89 in 2020.
The median household income in Promise City is $41,563 with a poverty rate of 16.19%. The median age in Promise City is 34.7 years: 34.9 years for males, and 33.8 years for females. For every 100 females there are 94.4 males.