Georgia · Population 16,026 · Updated March 2026
How far your income goes in St. Simons
State-level tax rates that affect your costs
St. Simons has a significantly higher cost of living than most US cities, driven largely by premium housing costs. With a cost index of 127 (where 100 equals the national median), St. Simons residents can expect to pay median rent of $1,626/month while earning a median household income of $105,944/year.
The median home value in St. Simons, GA is $484,100, with typical monthly owner costs around $1,538 including mortgage, insurance, and taxes. The median rent-to-income ratio of 18.4% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.
Georgia has a moderate income tax rate of 5.49%. Combined with a 4.0% sales tax rate and 0.92% effective property tax rate, the overall tax environment is a factor in the total cost of living in St. Simons.
Common questions about living costs in St. Simons