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Castalia, IA

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Population
142
U.S. Census Population Estimates Program · 2025
Elevation
1,247 ft
USGS GNIS community points and 3DEP elevation · GNIS 2026-07-06; USGS 3DEP sampled 2026-07-23
Median Home Value
$97,500
U.S. Census American Community Survey 5-Year · 2024
Median Income
$61,250
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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OverallBest places in IowaPopulation rankingHighest population places in IowaNearest larger communityWaverly, Iowa48 miles away · 10,561 residents.

About Castalia

Home to fewer than 150 residents, Castalia offers quiet, rural living among the rolling hills of Winneshiek County in northeast Iowa. Originally founded as a 19th-century rail stop, the town today is a peaceful, close-knit community where neighbors know each other and life moves at an easy pace. Residents enjoy wide-open country views, minimal traffic, and a short drive to nearby Decorah or Postville for local shops, dining, and everyday essentials.

Top Rating Signals

Highest current ratings for this town.

Rural FitA+99.2ratingRegional Two-Party Electoral BalanceA95.9ratingLow Heat ImpactA95.8rating

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