Barnum is a city in Webster County, Iowa, United States, just off U.S. Route 20. The population was 175 at the 2020 census.
| Name: | Barnum city |
|---|---|
| LSAD Code: | 25 |
| LSAD Description: | city (suffix) |
| State: | Iowa |
| County: | Webster County |
| Elevation: | 1,175 ft (358 m) |
| Total Area: | 0.37 sq mi (0.97 km²) |
| Land Area: | 0.37 sq mi (0.97 km²) |
| Water Area: | 0.00 sq mi (0.00 km²) |
| Total Population: | 175 |
| Population Density: | 467.91/sq mi (180.45/km²) |
| ZIP code: | 50518 |
| Area code: | 515 |
| FIPS code: | 1904645 |
| GNISfeature ID: | 0454366 |
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Geography
Barnum is at 42°30′24″N 94°21′52″W / 42.506660°N 94.364575°W / 42.506660; -94.364575 (42.506660, -94.364575).
According to the United States Census Bureau, the city has an area of 0.37 square miles (0.96 km), all land.
Barnum lies at the southeastern margin (rim) of Manson crater, an impact structure buried by glacial till and outwash.
See also
Map of Iowa State and its subdivision:- Adair
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