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Jacksonville, FL

Cost of living in St. Johns County, FL

Part of the Jacksonville Metro Area

Estimated monthly cost
$3,497/mo
for a single person, all categories combined

Population 292,243 · Last updated May 21, 2026

Cost breakdown

Single person, by category, per month.

Rent $1,454 42%
Federal tax $709 20%
Healthcare $480 14%
Groceries $352 10%
Transport $250 7%
Energy $197 6%
Water $55 2%
State tax $0 0%

Rent in St. Johns County

Fair Market Rents by bedroom count.

Studio
$1,381
per month
1 bedroom
$1,454
per month
2 bedroom
$1,730
per month
3 bedroom
$2,163
per month
4 bedroom
$2,739
per month

Source: HUD FMR FY2025

Income and earnings in St. Johns County

Annual earnings figures from the Census ACS.

Household income
$106,169
per year
Individual earnings
$53,371
per year
Per capita
$54,822
per year

Source: ACS 2019-2023 5-Year.

Home values in St. Johns County

Average values reported by homeowners.

Average home value
$457,600
Annual property tax
$3,547

Source: ACS 2019-2023 5-Year

Energy costs in St. Johns County

Estimated monthly electricity and gas costs.

Electricity
$176
per month · 16¢/kWh
Natural gas
$21
per month
Annual total
$2,364
per year

Source: EIA

Healthcare in St. Johns County

Insurance premiums and coverage rates.

Individual premium
$480
per month
Family premium
$1,350
per month
Uninsured rate
6.4%

Source: ACS + national avg. Marketplace benchmark premiums are second-lowest Silver plan estimates and do not reflect employer plans, subsidies, or out-of-pocket costs. This is not healthcare advice.

Taxes in St. Johns County

State and local tax rates for Florida.

No state income tax
Florida does not levy a personal income tax.
State sales tax
6.0%
Combined sales tax
7.0%
incl. average local

Tax rates change. Consult a qualified tax professional for advice on your specific situation. This is not tax advice.

Transportation in St. Johns County

Commute patterns and estimated costs.

Average commute
27.2 min
Drive alone
66.6%
Public transit
0.1%
Work from home
23.7%

Source: ACS

Monthly cost estimates for St. Johns County

What it costs to live in St. Johns County each month.

Single person
$3,497
per month
  • Rent $1,454
  • Energy $197
  • Water $55
  • Groceries $352
  • Transport $250
  • Healthcare $480
  • Federal tax $709
  • State tax $0
Couple
$5,236
per month
  • Rent $1,730
  • Energy $236
  • Water $65
  • Groceries $583
  • Transport $350
  • Healthcare $864
  • Federal tax $1,408
  • State tax $0
Family
$7,827
per month
  • Rent $2,163
  • Energy $296
  • Water $75
  • Groceries $885
  • Transport $450
  • Healthcare $1,350
  • Childcare $1,200
  • Federal tax $1,408
  • State tax $0

Frequently asked questions about St. Johns County

Common questions about cost of living, rent and salary.

What is the average rent in St. Johns County?

In St. Johns County, FL, a one-bedroom apartment averages $1,454 per month, a two-bedroom averages $1,730 per month, a three-bedroom averages $2,163 per month, according to HUD Fair Market Rent data.

What is the average salary in St. Johns County?

In St. Johns County, FL, the average household income is $106,169 per year and individual earnings for full-time workers average $53,371 per year, according to U.S. Census Bureau data.

What is the cost of living in St. Johns County?

The estimated cost of living in St. Johns County, FL is approximately $3,497 per month for a single person, $5,236 for a couple, $7,827 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.

What is the sales tax rate in St. Johns County?

The combined sales tax rate in St. Johns County, FL is 7.01%, which includes the Florida state rate of 6.00% plus an average local rate of 1.01%.

Is St. Johns County an affordable place to live?

Based on the data, a single person in St. Johns County, FL would need approximately $3,497 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $106,169 per year ($8,847 per month). St. Johns County is relatively affordable compared to the national average.

How much does healthcare cost in St. Johns County?

The ACA marketplace benchmark premium in St. Johns County, FL is approximately $480 per month for an individual. Approximately 6.4% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.

What are house prices in St. Johns County?

The average home value in St. Johns County, FL is $457,600, with average annual property taxes of $3,547, according to U.S. Census Bureau data.

How does St. Johns County compare to other areas?

You can compare St. Johns County, FL with any other US county using our comparison tool at /compare. St. Johns County is in the Jacksonville, FL metro area.

Other counties in Florida

Browse the full list of counties in Florida, ranked by cost of living.

See all counties in Florida

Compare St. Johns County with another area

Put two counties side by side to see how rent, taxes and everyday costs stack up.

About this data

All figures on this page come from official U.S. government sources, listed below.

  • HUD FMR FY2025
  • ACS 2019-2023 5-Year
  • EIA
  • ACS + national avg
  • ACS
  • USDA + BEA RPP
Methodology All data sources