Florida keeps growing. Between 2020 and 2026, dozens of counties added tens of thousands of new residents, and a handful grew by more than 25 percent. Population growth creates demand for housing, services, retail, health care, and local businesses. For founders and established business owners, the fastest-growing counties represent opportunity, but only if you understand who is moving in and what they need.
The fastest-growing Florida counties in 2026
Population estimates from World Population Review show St. Johns County leading the state with nearly 30 percent growth since 2020. The table below lists the top ten fastest-growing counties and what is driving each.
| County | 2026 population | Growth since 2020 | Driver |
|---|---|---|---|
| St. Johns | 359,322 | +29.66% | Jacksonville exurbs, top-rated schools, coastal lifestyle |
| Osceola | 497,560 | +27.21% | Orlando metro spillover, affordable housing, logistics |
| Walton | 96,480 | +27.12% | Scenic Highway 30A, second-home market, tourism |
| Hendry | 49,911 | +25.64% | Rural affordability, agriculture, inland location |
| St. Lucie | 413,306 | +24.70% | Retirees, new construction, Port St. Lucie expansion |
| Flagler | 144,436 | +24.48% | Retirees, beaches, lower cost than Volusia metro |
| Sumter | 161,283 | +23.78% | The Villages, active adult communities |
| Polk | 898,146 | +23.01% | I-4 logistics corridor, affordable land, warehouse growth |
| Pasco | 692,842 | +22.37% | Tampa exurbs, new subdivisions, healthcare demand |
| Lake | 468,682 | +21.35% | Orlando-Tavares corridor, retirement, logistics |
What new residents mean for local businesses
New residents do not know which local businesses to trust. They search online before they ask a neighbor. That makes digital visibility the deciding factor. The first HVAC company, dentist, realtor, or restaurant that shows up in search gets the trial.
Growth counties also strain infrastructure. Roads, schools, utilities, and health-care systems lag behind housing. Businesses that solve those strains, such as contractors, tutors, senior services, and logistics firms, often see demand outpace supply.
Business opportunities by county type
Coastal retiree counties like St. Johns, Flagler, and St. Lucie need home services, medical practices, financial advisors, and senior-care providers. Exurban counties like Osceola, Polk, Lake, and Pasco need construction, childcare, schools, retail, and logistics support. Rural growth counties like Hendry and Walton need agriculture services, tourism amenities, and basic retail.
The common thread is timing. Businesses that establish visibility early in a fast-growing county can lock in brand recognition before the market saturates. Waiting until everyone else is there makes customer acquisition far more expensive.
How to enter a fast-growing Florida market
Research the county’s zoning and permitting timeline. Some fast-growing counties process permits quickly; others are backlogged by months. Build your Google Business Profile and local citations before you open. Contact local economic development offices for incentive information.
Want to see how visible your business is in Florida’s fastest-growing counties? Get a free AI visibility report from FlaLocal at flalocal.com/ai-visibility-report/ and identify the markets where you already rank and the ones where you need work.