Browse / United States / Iowa / Chelsea
Chelsea
Iowacity
Total population
404
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
City facts
Overview
Found in Iowa, United States, Chelsea is classified as a small city in public datasets. The settlement sits at 41.920°, -92.394°, a temperate location in the northern hemisphere. It is home to roughly 404 residents. That works out to roughly 155 residents per square kilometre — loosely populated. The administrative footprint covers a compact 2.6 km². Climatically, locations at this latitude tend to experience four distinct seasons with warm summers and cold winters. Further detail — demographics, climate, nearby amenities and natural-hazard data — is compiled below from public open-data sources.
Summary composed automatically from structured open data on this page. See our Terms for details.
History & geography
Demographics & economy
Geography
Coordinates & boundaries from the US Census TIGER/Line shapefiles.
Climate
Current forecast
Forecast for Chelsea, IA from NOAA NWS API.
Air quality
Industrial & pollution facilities
Natural hazard risk
Health (adults)
Age-adjusted prevalence estimates from CDC PLACES (latest release).
Walkability
Amenities nearby
Wildlife & biodiversity
Most-observed species
- Red-winged BlackbirdAgelaius phoeniceus (Linnaeus, 1766) · Aves229
- Canada Goose (canadensis Group)Branta canadensis (Linnaeus, 1758) · Aves218
- American CrowCorvus brachyrhynchos C.L.Brehm, 1822 · Aves181
- Bald EagleHaliaeetus leucocephalus (Linnaeus, 1766) · Aves170
- Sandhill craneGrus canadensis (Linnaeus, 1758) · Aves151
- Trumpeter/Tundra SwanCygnus buccinator Richardson, 1831 · Aves144
- American RobinTurdus migratorius Linnaeus, 1766 · Aves141
- KilldeerCharadrius vociferus Linnaeus, 1758 · Aves131
Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).
Schools
Earthquake history
Most recent
- M 2.5 — 2025-06-2510 km WNW of Marysville, Iowa
- M 3 — 2025-06-255 km S of Knoxville, Iowa
- M 3.3 — 2025-06-258 km SE of Knoxville, Iowa
Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).
Photos
Sights & places nearby
Notable people from here
People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.
Nearby places in Iowa
Geography & sun
Nearby airports
Public attention
Books about this place
Recent natural events nearby
Ground air-quality sensors
Recently spotted species
Research-grade observations from iNaturalist (within ~15 mi).
Nearest stream gauge
Live readings from USGS NWIS · measured 2026-09-26 11:00 UTC.
Events
Gallery
Sources
- • NOAA National Weather Service
- • Wikidata
- • USGS Earthquake Catalog (global feed)
- • USGS NWIS (water data)
- • GBIF (Global Biodiversity Information Facility)
- • iNaturalist
- • CDC PLACES