About Castalia
Set in the northeastern part of Iowa, Castalia is a tiny community with an estimated population of 141.
Officially, Castalia is an incorporated city with its own municipal government. The community covers 0.58 square miles, giving it wide-open spaces and a spread-out, rural feel at roughly 243 residents per square mile.
📰 Castalia News Today
- Virginia Lee Brown, Castalia, Iowa, July 29, 2026 Grau Funeral Homes · Jul 29
- Virginia Brown Obituary (2026) - Castalia, IA - The Gazette Legacy obituary · Aug 3
- Donna J. Blumhagen, Castalia, Iowa, June 13, 2026 Grau Funeral Homes · Jun 13
- Lester Snyder Obituary Mar 26, 2005 Helms Funeral Home · Sep 24
- Virginia Brown Obituary - July 29, 2026 - Castalia, Iowa Legacy obituary · Aug 4
Live headlines via Google News — updates through the day.
What Makes Castalia Unique
- Positioned in northeastern Iowa, convenient to the region's corridors and crossings.
- Part of the fabric of Iowa — one of 1,026 recognized communities statewide.
Why People Love It Here
- Small-town pace of life: less traffic, more community, and neighbors who wave.
- Housing dollars stretch further here than in the nearest metro.
- Well connected: 3+ neighboring communities within 8 miles.
⚡ Quick Facts
StateIowa
TypeCity
Population (2024)141
Rank in state#749 of 940
Land area0.58 sq mi
Density243/sq mi
Coordinates43.1126, -91.6769