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WISCONSIN · GEOGRAPHYSun Prairie
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City information
Estimated population: 39,227 (July 1, 2025).
For Sun Prairie city (Census 5578600). 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.
Current temperature unavailable until a recent nearby observation is verified.
Weather information from the National Weather Service. Nearby station readings are observations, not forecasts or city-wide measurements.
Official Census name: Sun Prairie city. Census place. Wisconsin. Census identifier 5578600. Source: 2026 Census Gazetteer, accessed November 13, 2026. Geography coverage only; no business availability or quality claim.