Red Oak, Iowa
Red Oak, Iowa  | |
|---|---|
Location of Red Oak, Iowa  | |
| Coordinates: 41°0′51″N 95°13′30″W / 41.01417°N 95.22500°W | |
| Country | United States | 
| State | Iowa | 
| County | Montgomery | 
| Area | |
 • Total  | 3.98 sq mi (10.31 km2) | 
| • Land | 3.93 sq mi (10.17 km2) | 
| • Water | 0.06 sq mi (0.15 km2) | 
| Elevation | 1,056 ft (322 m) | 
| Population  (2020)  | |
 • Total  | 5,596 | 
| • Density | 1,425.37/sq mi (550.37/km2) | 
| Time zone | UTC-6 (Central (CST)) | 
| • Summer (DST) | UTC-5 (CDT) | 
| ZIP codes | 51566, 51591  | 
| Area code | 712 | 
| FIPS code | 19-66135 | 
| GNIS feature ID | 2396337 | 
| Website | city | 
Red Oak is a city in, and the county seat of, Montgomery County, Iowa, United States, located along the East Nishnabotna River. The population was 5,596 in the 2020 census, a decline from the 6,197 population in 2000.