172 years in pictures
Census counts: 108 in 1880, a peak of 272 in 1920, 145 in 2020. The archive holds 3 old photos and papers going back to 2004 and 2 maps from 1906 on.
- 1854Castalia is settled
Each edition grades its towns against each other only.

A town of 142, settled in 1854.
Castalia has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 108 in 1880, a peak of 272 in 1920, 145 in 2020. The archive holds 3 old photos and papers going back to 2004 and 2 maps from 1906 on.
Who provides power, water and the rest in Castalia, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
Ordered by what stands out in Castalia.
Among residents in Castalia, 7.9% live below the poverty line. The typical journey to work for Castalia comes to 22 minutes, where Iowa’s towns sit at 19 minutes and U.S. towns at 25 minutes. Half commute less than 15 miles. For Castalia, the median household income is $61,000.
| Castalia | Iowa towns | U.S. towns | |
|---|---|---|---|
| Average trip to work | 22 minutes | 19 minutes | 25 minutes |
| Median household income | $61,000 | $69,000 | $80,000 |
| Below the poverty line | 7.9% | 11% | 9.6% |
Census LEHD 2023 · ACS
Homes in Castalia are typically worth about $296,000, up 12.1% in a year, 25% above the Iowa typical home.
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Castalia brings cold, snowy winters and pleasant summers. July afternoons reach 81°, January nights drop to 8° and about 40 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
Among 141 Iowa towns, just 9 have a lower share of adults who report frequent mental distress than Castalia. Against the Iowa average, Castalia comes out ahead on 7 CDC measures out of 32, and behind on 2. For adults in the town, the share who sleep under 7 hours is 27%.
| Castalia | Iowa towns | U.S. towns | |
|---|---|---|---|
| Sleep under 7 hours (CDC PLACES) | 27% | 32% | 36% |
| Depression (CDC PLACES) | 19% | 21% | 23% |
| Frequent mental distress (CDC PLACES) | 15% | 16% | 17% |
| Feel lonely (CDC PLACES) | 30% | 32% | 33% |
| What stands out | Castalia | IA |
|---|---|---|
| Fewer older adults who have lost all their teeth | 7.6% | 11.6% |
| Fewer adults facing a utility shut-off | 5% | 6.4% |
| More adults who have had cancer | 11.1% | 8.7% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Across 1 park or preserve: 0.2 miles of trail. Castalia has one park or preserve, 5 acres in all.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Castalia City Park | 0.1 mi | 5 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Expected storm and flood damage is higher than in half of U.S. communities. Federal disaster aid has reached households in Castalia after 2 declared disasters, most recently in 2008.
FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA
1 within 15 miles of the center of Castalia
About 0 of every 100 Castalia residents are enrolled in college, against 6 across Iowa.
Where Castalia’s working residents go each day. Line width shows the share.
Census LEHD 2023
City in Iowa, United States
Castalia is a city in Winneshiek County, Iowa, United States. The population was 145 at the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Castalia has fewer than 1,000 residents, too few for fair grades; the figures below are still real.