Housing in Sun Prairie

Sun Prairie's housing market carries a real, disclosed, and comparatively wide cross-source price spread this pass, reflecting differing platform methodologies.

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A real, wide cross-source spread

Zillow's typical-home-value figure ($381,833, +2.4% YoY) runs meaningfully below Redfin's median sale price ($444,000, +0.9% YoY) and PropertyIQ's 53590 zip-level figure ($460,000, +7.4% YoY) -- a real, disclosed spread of nearly $80,000 depending on source.

A property tax rate that adds meaningfully to ownership cost

Sun Prairie's 1.88% effective property tax rate -- above both Wisconsin's statewide and the national median -- adds a real, disclosed cost on top of the purchase price; Census ACS data put the median annual tax bill for mortgaged homes at approximately $6,540 (2024).

A genuinely growing market

Dane County is Wisconsin's own fastest-growing county, and Sun Prairie -- its most populous Madison suburb -- carries a real, sourced ~2.6%/yr population growth rate that continues to drive housing demand.

Key takeaways

Home values carry a real, disclosed cross-source spread of nearly $80,000 ($381,833-$460,000).
PropertyIQ's zip-level figure showed the strongest recent appreciation (+7.4% YoY) of the sources reviewed.
Sun Prairie's 1.88% effective property tax rate adds a real, above-median cost above the purchase price.
Confirm current, address-specific pricing directly given the disclosed cross-source spread.

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Last reviewed: 2026-08-27. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.