Castana, Iowa — interactive Google street map, satellite and terrain views, Street View, live National Weather Service conditions and 7-day forecasts, real-time local and world news, and an editorial description of Castana, Monona County.
| City | Castana |
| State | Iowa (IA) |
| County | Monona |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 42.074433 |
| Longitude | -95.908621 |
| Population | 162 |
| Density | 66.8 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 51010 |
| Area Code | 563 |
| County Seat | Onawa |
| School District | Maple Valley-Anthon Oto Community School District |
Castana is a locality in Monona County, Iowa, United States. It is a small community with a population of 162. The population density is 66.8 people per km². Castana is located at 42.0744°N, 95.9086°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 51010.
Castana lies in a landscape where the land itself seems to sigh, a gentle sweep of prairie that rolls towards the distant horizon, punctuated by the sturdier forms of cottonwood and oak. It lies 38.7 miles south-east of Sioux City, IA (from Sioux City, IA: bearing 139°T), and is situated 8.7 miles south-west of Mapleton. The air here carries the scent of damp earth after a rain, and the vast Iowa sky, a canvas of ever-shifting blues and grays, dictates the mood of the day. Fields of corn and soybeans, emerald green in the growing season and golden in autumn, stretch out like a rumpled quilt, their neat rows a testament to human hands working with the generous, yet demanding, soil. The roads, mostly gravel and well-worn, snake between these fields, leading to farmsteads that stand as solitary sentinels against the immensity of the land. The story of Castana is written in its quiet persistence, a legacy of agriculture that has sustained generations. Founded by settlers drawn to the fertile ground, the local economy has long been anchored in the cultivation of the land, a rhythm dictated by the seasons and the capricious nature of weather. The grain elevator, a familiar silhouette against the sky, stands as a silent monument to this enduring connection. While the pace of life in Castana is unhurried, marked by the slow turning of the sun and the predictable cycles of planting and harvest, there's a deep-rooted resilience in its character, a reflection of the people who have chosen to call this patch of Iowa home, finding beauty in the simplicity of the open sky and the steadfastness of the earth.
Loading news…
Loading news-world…
Loading news-world…
This page provides an interactive Google map of Castana, Iowa with street, satellite and terrain views and integrated Street View imagery. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Castana and Monona County.
Detailed location data for Castana includes the ZIP code (51010), telephone area code (563), county seat of Monona County (Onawa), and school district assignment (Maple Valley-Anthon Oto Community School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Castana is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | June 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |