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

What is the average rent in Monroe County, FL? Zillow’s Observed Rent Index puts the typical Monroe County rent at about $3,320 a month, and rents are up 2.7% over the past year, up 3.0% over three years. Below: the trend, how renting compares with owning here right now, and what the ratio between prices and rents says about this market.

Monroe County rent at a glance

Renting versus owning in Monroe County right now

Right now the modeled all-in monthly cost of OWNING the typical Monroe County home (principal and interest at today’s rate with 20% down, plus tax and insurance) runs about $5,590 — roughly $2,270 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 Monroe County with your own numbers.

What the price-to-rent ratio says

Monroe County’s typical home value ($966,261) divided by a year of typical rent works out to a price-to-rent ratio of about 24.3. 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 4.1%.

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 Monroe County right now

In the most recent IRS migration data (2022-2023), Monroe County lost a net 713 people to relocation, with the largest inbound flows from CA, IL, MD. Households moving IN reported average incomes of $170,384 versus $104,084 for those leaving — the income mix of demand, straight from tax filings. Population is up about 7.2% over the recent multi-year window. On the supply side, builders pulled 279 residential permits in Monroe County in 2025 (239 single-family), down 16.5% year over year — against 652 at the 2023 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 138.1% versus its income-and-rent fundamentals.

The Monroe County market, in context

Monroe County is the Florida Keys — a 125-mile island chain from Key Largo to Key West, the most unique and most regulated real-estate market in the state. Strict growth caps (ROGO) tightly limit new building, making for scarce supply, very high prices, and the steepest insurance in Florida, all in a one-of-a-kind tropical island setting.

The economy behind the market: {'drivers': 'tourism and hospitality, the military, marine industries, and government', 'summary': "Monroe's economy is tourism above all — Key West and the Keys draw millions for diving, fishing, and the island lifestyle — plus the U.S. Navy (Naval Air Station Key West), marine industries (charter fishing, diving, boating), and government. With almost no room to build, the services-and-hospitality economy supports a population squeezed by some of the highest housing costs in the country.", 'employers': ['Naval Air Station Key West (U.S. Navy)', 'Monroe County School District', 'Historic Tours of America', 'Keys Energy Services', 'Lower Keys Medical Center / Mariners Hospital', 'Monroe County government', 'tourism and hospitality operators'], 'jobNote': "Strict state-and-county growth caps (the Rate of Growth Ordinance, 'ROGO') tightly limit new construction across the Keys, making housing supply nearly fixed."}

What could change it: Monroe carries the most extreme risk profile in the state: direct hurricane and storm-surge exposure across a low-lying island chain (Hurricane Irma in 2017 caused major damage), the highest insurance costs in Florida by a wide margin (flood and wind), evacuation-and-resilience concerns, and capped supply under ROGO. Sea-level rise is a genuine long-term factor. Affordability is severe for the year-round workforce.

Near-term outlook: Expect the Keys to stay scarce and pricey over the next 12 months: capped supply and second-home-and-vacation demand keep values resilient, while extreme insurance and affordability define the market. The high end and waterfront stay the most liquid.

Run the numbers in Monroe County

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

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.