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ILLINOIS · GEOGRAPHYUllin
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City information
Estimated population: 457 (July 1, 2025).
For Ullin village (Census 1776615). Census Vintage 2025 estimate, released May 2026, using January 1, 2025 boundaries. Boundaries may differ from the 2026 directory geography. This is not a live population count.
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Weather information from the National Weather Service. Nearby station readings are observations, not forecasts or city-wide measurements.
Official Census name: Ullin village. Census place. Illinois. Census identifier 1776615. Source: 2026 Census Gazetteer, accessed November 13, 2026. Geography coverage only; no business availability or quality claim.