Port St. John, Florida — City Overview

Living in Port St. John, summers are hot, with Aug highs around 89.0°F, while winters stay mild, with Jan lows rarely below 54.5°F. At just 73 heating degree days per year, home heating costs are minimal. Annual rainfall reaches 62.9 inches, mostly summer thunderstorms. Within 5 miles: 11 parks, 2 groceries and 6 dining spots. For hospital care, the nearest facility is in a neighboring city. Median household income: $80,037. With a 11.3% poverty rate and 91.0% homeownership, the community reflects a stable residential mix. Nearby cities: Cocoa (9mi S), Merritt Island (10mi SE), Rockledge (10mi S). Air quality is Good — avg AQI 40 over the past week.

View Port St. John city guide

Updated July 09, 2026.

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