4PLANET ATLAS / PLACE

Chicago

Populated place · United States of America

About this place

Natural Earth classifies Chicago as populated place in United States of America, Illinois. 4PLANET ATLAS represents Chicago as a stable geographic object at Natural Earth reference coordinate 41.831937, -87.752001. The coordinate is used to open the intended map context; it is not an administrative boundary, ecological boundary or claim about conditions across the whole place.

Geographic context: United States of America. A canonical parent object is not yet published in this cohort.

Verified geographic hierarchy: Illinois → United States of America → Northern America → North America.

Source identity: Natural Earth NE_ID 1159151491 · ISO US · Wikidata Q1297 · GeoNames 4887398.

Open Chicago in ATLAS. The handoff carries the same place slug and reference coordinate so the geographic entry point and interactive map resolve to the same object.

Living Planet Intelligence

Geographic identity is published independently from ecological interpretation. Living Systems, Species, Pressures, Missions, Evidence and Solutions are connected here only when the shared 4PLANET evidence model supports the relationship. Until then, those relationships remain unknown rather than being inferred from the place name.

Related places in the current index

Source and provenance

Geographic source: Natural Earth 1:50m Populated Places v5.1.2. Source feature 1159151491 · upstream file 3fad8f0038ba. Natural Earth data is public domain; terms of use. Source reference checked 2026-10-07.

World Place Index · ATLAS home · Living Systems · Species

Truth boundary: this Place page verifies geographic identity and map context. It does not by itself establish species presence, ecosystem health, pressure, causality or ecological outcome.