Garden Grove
- County:
- Decatur County
- County Seat:
- No
- Area (mi²):
- 0.676
- State:
- Iowa
Garden Grove is a city located in Decatur County, Iowa. Garden Grove has a 2026 population of 173. Garden Grove is currently declining at a rate of -1.14% annually and its population has decreased by -0.57% since the most recent census, which recorded a population of 174 in 2020.
The median household income in Garden Grove is $34,000 with a poverty rate of 22.22%. The median age in Garden Grove is 50.4 years: 42.8 years for males, and 51.8 years for females. For every 100 females there are 96.6 males.