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Compare · IA · IA

ZIP 50266 vs ZIP 52240

West Des Moines (IA), IA compared to Iowa City (IA), IA on twelve public-records dimensions sourced from EPA, FEMA, USDA, FBI, NCES, and county records. Each cell links to the per-ZIP topic page where the source citation and refresh cadence live.

Last verified 2026-05-13 · methodology

ZIP 50266

West Des Moines (IA), IA

Iowa

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ZIP 52240

Iowa City (IA), IA

Iowa

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Side by side

Dimensions populate live as ingestion reaches each source. Every row will link to the primary regulator.

Iowa context

Radon Zone 1, agricultural water nitrates

Iowa is one of the highest-radon states in the US — uniformly Zone 1. Agricultural runoff drives EPA SDWIS nitrate violations in small rural systems and even Des Moines Water Works. Tornadoes peak April-June.

Iowa state page →

Read more on cross-ZIP comparisons

Editorial deep-dives that help when reading two places side-by-side — what each data layer actually proves, and what it doesn't.

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