{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/crime/50309/","name":"Crime for ZIP 50309 — Des Moines, IA","description":"Crime data for ZIP 50309 (Des Moines, Iowa), sourced from FBI UCR.","topic":{"slug":"crime","label":"Crime","source":"FBI UCR","sourceUrl":"https://cde.ucr.cjis.gov/","refreshCadence":"Weekly rolling uploads","summary":"Pages show per-100k rates (never raw counts) for major offense categories, the reporting agency, and whether reporting was complete for the year.","limitations":"UCR has known reporting gaps for some agencies and years. zipradar flags missing reports rather than interpolating. Small agencies may not participate at all."},"place":{"zip":"50309","city":"Des Moines","state":"IA","stateFull":"Iowa","county":"Polk County","countySlug":"polk-county","geo":{"latitude":41.5868,"longitude":-93.625}},"stateContext":{"topConcern":"Radon Zone 1, agricultural water nitrates","narrative":"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."},"radonZone":null,"airQuality":null,"waterQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-15","canonicalUrl":"https://zipradar.org/topic/crime/50309/","zipDashboardUrl":"https://zipradar.org/zip/50309/","zipDashboardApiUrl":"https://zipradar.org/api/zip/50309/","primarySourceUrl":"https://cde.ucr.cjis.gov/","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/crime/50309/"}}