Average Rent in St. Johns County, FL: The Number and the Context

What is the average rent in St. Johns County, FL? Zillow’s Observed Rent Index puts the typical St. Johns County rent at about $2,116 a month, and rents are up 1.3% over the past year, up 2.4% over three years, and up 61.2% over ten. Below: the trend, how renting compares with owning here right now, and what the ratio between prices and rents says about this market.

St. Johns County rent at a glance

Renting versus owning in St. Johns County right now

Right now the modeled all-in monthly cost of OWNING the typical St. Johns County home (principal and interest at today’s rate with 20% down, plus tax and insurance) runs about $2,908 — roughly $792 a month more than typical rent. That gap is the price of fixing your housing cost and building equity; whether it is worth paying depends on your hold period, your down payment’s opportunity cost, and where rents go next. The rent vs buy calculator runs the break-even for St. Johns County with your own numbers.

What the price-to-rent ratio says

St. Johns County’s typical home value ($492,885) divided by a year of typical rent works out to a price-to-rent ratio of about 19.4. As a rule of thumb, ratios under ~15 favor buying, 15–20 is a judgment call, and above ~20 favors renting on pure monthly math — before Florida specifics like the homestead exemption, the Save Our Homes cap, and insurance costs move the answer for any specific household. Investors read the same ratio in reverse: our county model puts the gross cap rate near 5.2%.

For renters weighing a first purchase

Renting is not “throwing money away” — it buys flexibility and shields you from maintenance, insurance and rate risk. Buying wins when you stay long enough for equity and fixed costs to overtake that flexibility premium. Three Florida-specific facts tilt the math: your property tax is set by YOUR purchase price (not the seller’s bill — model it with the property tax calculator), homestead then caps assessment growth at 3%% a year while rents float with the market, and insurance varies enough by home that a quote belongs in your budget before you shop. The buyer closing costs calculator shows the real cash needed to make the switch.

Demand and supply in St. Johns County right now

In the most recent IRS migration data (2022-2023), St. Johns County gained a net 10,642 people to relocation, with the largest inbound flows from NY, CA, NJ. Households moving IN reported average incomes of $130,600 versus $97,713 for those leaving — the income mix of demand, straight from tax filings. Population is up about 24.1% over the recent multi-year window. On the supply side, builders pulled 4,735 residential permits in St. Johns County in 2025 (3,554 single-family), down 15.1% year over year — against 8,390 at the 2021 peak. Permits are tomorrow’s inventory: a shrinking pipeline supports prices, a swelling one hands buyers leverage. Our valuation model reads the county as undervalued by about 5.7% versus its income-and-rent fundamentals.

The St. Johns County market, in context

St. Johns County is the premium county of Northeast Florida and home to the #1-rated public school district in the state. Anchored by historic St. Augustine, the Ponte Vedra Beach golf-and-ocean corridor, and the explosive Nocatee and SilverLeaf master plans along the World Golf Village spine, it commands the region's highest prices — and its fastest population growth. Buyers pay a premium here for schools, new construction, and a beach-adjacent lifestyle.

The economy behind the market: {'drivers': 'healthcare, professional golf, education, tourism, and professional services', 'summary': "St. Johns blends a fast-growing healthcare and professional-services base with two unusual anchors: the PGA Tour, headquartered in Ponte Vedra Beach alongside THE PLAYERS Championship at TPC Sawgrass, and a heavy commuter relationship with Duval's Jacksonville job market. Flagler Health+ / UF Health St. Johns is a major local employer, the county school district is itself one of the largest employers, and tourism around St. Augustine — the oldest city in the U.S. — runs year-round. Many residents earn Duval-Southside paychecks while living for the schools and beaches.", 'employers': ['St. Johns County School District', 'Flagler Health+ / UF Health St. Johns', 'PGA Tour (Ponte Vedra Beach HQ)', 'St. Johns County government', 'Northrop Grumman', 'VyStar Credit Union', 'Publix', 'Walmart', 'World Golf Village / hospitality'], 'jobNote': 'The PGA Tour is headquartered in Ponte Vedra Beach, home of THE PLAYERS Championship at TPC Sawgrass.'}

What could change it: The headline risks are price and water. St. Augustine and the barrier islands flooded in Hurricanes Matthew (2016) and Irma (2017), so storm surge and flood-zone status are central to true cost near the coast and the rivers. Affordability is stretched — this is the most expensive county in the region — and rapid growth in the Nocatee/SilverLeaf corridor is straining roads and schools even as the district adds capacity. Insurance, as everywhere in coastal Florida, is rising.

Near-term outlook: Expect St. Johns to stay among the most resilient markets in Northeast Florida over the next 12 months. School demand and in-migration keep a firm floor under prices, but affordability at the top of the regional range and rate sensitivity will keep appreciation modest and lengthen days on market on anything mispriced. New-construction volume in Nocatee and SilverLeaf gives buyers real leverage on builder inventory.

Run the numbers in St. Johns County

• Find the best agent in St. Johns County
• What would selling net you
• Buyer closing costs calculator

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Common questions

Rent figures: Zillow Observed Rent Index (ZORI), a smoothed measure of typical asking rents; ownership costs are Momentum model estimates. As of 2026-06-16; figures change monthly and are deemed reliable but not guaranteed. Not financial advice. Equal Housing Opportunity.