Cost of Living in Bay St. Louis
Bay St. Louis's cost of living centers on a real, disclosed wide housing-price spread and genuinely elevated coastal insurance costs, offset by Mississippi's low state income tax and full retirement-income exemption.
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Learn moreA real, disclosed wide housing-price spread
Zillow's typical home value ($230,250) sits well below Redfin's median sale price ($405,000) and Movoto's listing median ($399,000) -- a genuinely wide, disclosed spread this record does not resolve (base record).
Genuinely elevated coastal insurance costs
Combined homeowners/wind/flood coverage can exceed $12,000/year for coastal properties, with the state windpool's rates up 16% effective January 1, 2026 (base record).
Mississippi's real, generous retirement-income exemption
Mississippi fully exempts Social Security, 401(k)/IRA, and pension income from state tax -- a real, genuinely significant benefit given Bay St. Louis's 25.90% senior population share (base record).
Mississippi's real, low 4.0% state income tax
Mississippi's real, current flat individual income tax rate (4.0% for 2026) applies in Bay St. Louis as statewide (base record).
Key takeaways
- Bay St. Louis's housing prices carry a real, genuinely wide, disclosed spread across sources ($230,250-$405,000).
- Coastal homeowners/flood insurance costs run genuinely elevated, a real, significant cost factor.
- Mississippi's full retirement-income exemption is a real, significant benefit given Bay St. Louis's older population.
- Mississippi's 4.0% flat state income tax (2026) applies statewide, including in Bay St. Louis.
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