Rank

612of 3,144

St. Johns, Florida

Score 6.85 / 10· population 320,110

St. Johns County is in Northeast Florida just south of Jacksonville, with 42 miles of Atlantic shoreline, the city of St. Augustine, Ponte Vedra Beach and rural Hastings. In 2024, 32% of its workers had jobs in another Florida county, and 84% of its children lived in married-couple households. Life expectancy was 81.0 years in 2020-2022, against 78.1 statewide.

Sources
  • St. Johns County is located in Northeast Florida just south of Jacksonville, with 42 miles of Atlantic Ocean shoreline to the east sjcpa.gov
  • Communities include the City of St. Augustine, Ponte Vedra Beach, and Hastings in the rural southwest sjcpa.gov
  • 51,492 of 161,461 workers 16 and over worked in Florida outside their county of residence, 32% (ACS 2024 1-year, table B08007) api.censusreporter.org
  • 59,940 of 71,039 children under 18 in households live in married-couple households, 84% (ACS 2024 1-year, table B09005) api.censusreporter.org
  • Life expectancy 81.0 years in St. Johns County and 78.1 years in Florida (County Health Rankings 2025 release) countyhealthrankings.org
  • The 2025 County Health Rankings life expectancy measure uses 2020-2022 data from NCHS death records countyhealthrankings.org

v4 — beta, 30 October 2026, sourced values

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Eleven factors

Government behavior

  1. Fraser Institute state ranking (state)7.6
  2. 2A (state)8.0
  3. GOP + LP vote for President6.6
  4. Sales tax4.1
  5. Property tax6.3

Environment

  1. Air quality5.8
  2. Floods / hurricanes0.6

Private behavior

  1. Homicide rate8.6
  2. Life expectancy10.0
  3. Government employees8.9
  4. Single-parent households8.5

Neighbors