Average Rent in Martin County, FL: The Number and the Context

What is the average rent in Martin County, FL? Zillow’s Observed Rent Index puts the typical Martin County rent at about $2,291 a month, and rents are up 4.9% over the past year, up 9.0% over three years, and up 93.5% 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.

Martin County rent at a glance

Renting versus owning in Martin County right now

Right now the modeled all-in monthly cost of OWNING the typical Martin County home (principal and interest at today’s rate with 20% down, plus tax and insurance) runs about $2,754 — roughly $463 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 Martin County with your own numbers.

What the price-to-rent ratio says

Martin County’s typical home value ($449,805) divided by a year of typical rent works out to a price-to-rent ratio of about 16.4. 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 6.1%.

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 Martin County right now

In the most recent IRS migration data (2022-2023), Martin County gained a net 1,335 people to relocation, with the largest inbound flows from NY, NJ, CT. Households moving IN reported average incomes of $142,932 versus $90,119 for those leaving — the income mix of demand, straight from tax filings. Population is up about 1.8% over the recent multi-year window. On the supply side, builders pulled 845 residential permits in Martin County in 2025 (843 single-family), up 30.8% year over year — against 1,334 at the 2022 peak. Permits are tomorrow’s inventory: a shrinking pipeline supports prices, a swelling one hands buyers leverage. Our valuation model reads the county as overvalued by about 13.2% versus its income-and-rent fundamentals.

The Martin County market, in context

Martin County is Stuart and the Sailfish-Capital coast — a deliberately low-density, affluent Treasure Coast county that has fought to preserve its small-town, waterfront character.

The economy behind the market: {'drivers': 'healthcare, marine industry, professional services, and agriculture', 'summary': "Martin's economy is anchored by Cleveland Clinic Martin Health (the county's largest employer), a robust marine industry — boat building, repair, and yacht services around Stuart's waterways — plus professional services tied to an affluent population and an agricultural base (citrus, cattle) in the west. The county's strict growth management deliberately limits the scale of development.", 'employers': ['Cleveland Clinic Martin Health', 'Martin County School District', 'Martin County government', 'marine-industry firms (boatbuilding, repair, yacht services)', 'Publix', 'agriculture (west county)'], 'jobNote': "Cleveland Clinic Martin Health is the county's largest employer; Stuart's marine industry — boatbuilding, repair, and yacht services — is a defining sector."}

What could change it: Martin carries Treasure Coast hurricane and storm-surge exposure on the barrier island and along the rivers, with high coastal insurance, and the Indian River Lagoon's health is an environmental concern. The county's strict growth management keeps supply tight (supporting values but limiting options), and prices run above the neighboring Treasure Coast counties.

Run the numbers in Martin County

• Find the best agent in Martin County
• Get a cash offer in Martin County
• Martin County housing scorecard
• What would selling net you
• Buyer closing costs calculator

Ready to compare owning? Start with the most affordable communities in Martin County.

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.