Data and Demographics
St. Johns County remains one of the fastest-growing counties in Florida, with a population increase of 26.4% since 2019, adding 69,860 residents to reach a total of 334,928 as of 2024.
From 2020 to 2025, jobs increased by 25.1% in St. Johns County, FL from 91,021 to 113,912. This change outpaced the national growth rate of 10.6% by 14.5%.
Major Employers
| Business | Number of Employees |
|---|---|
| St. Johns County School District Government / Education |
6,438 |
| UF Health St. Johns Hospital / Healthcare |
1,564 |
| St. Johns County Government / Public Administration |
1,527 |
| Northrop Grumman Manufacturing / Aviation / Aerospace |
1,100 |
| PGA Tour, Inc. Headquarters / Entertainment / Media |
1,000 |
| Florida Army National Guard Headquarters / Military |
900 |
| St. Johns County Sheriff's Office Law Enforcement |
860 |
| Ring Power Corporation Headquarters / Heavy Equipment |
700 |
| Florida School for the Deaf and Blind Public Education |
689 |
| Flagler College Higher Education |
667 |
| Amphenol Corporation Manufacturing / Aviation / Aerospace |
650 |
| KeHE Distributors Organic Food Distribution |
445 |
Employment by Industry
Contributing to St.Johns County's popularity is our low overall cost of doing business. In addition to not havingany state personal income tax, St.Johns County does not charge a local gas tax or utility franchise tax, and has a 0.5% local option sales tax to support schools. St.JohnsCounty's real estate taxes are also one of the lowest in Northeast Florida, with a millagerate of 13.4686 for residents in unincorporated areas of the County.
Labor Force
St. Johns County's average unemployment rate in 2025 was 4.2%, with a labor force of 158,270.
Educational Attainment
St. Johns County has developed a well-educated population and benefits from its top-ranked public school system. The total population age 25+ with a high school education is 95.1%, compared to Florida at 90.4%. The total population with post-secondary education is 75.9%.
Sources:
US Census Bureau ACS 2024 5-Year Estimates, U.S. Bureau of Labor Statistics, Florida Commerce
Florida Dept. of Economic Opportunity, Bureau of Workforce Statistics and Economic Research, Quarterly Census of Employment and Wages Program (QCEW)
Florida Commerce, Bureau of Workforce Statistics and Economic Research
ESRI, St. Johns County School District, National Center for Education Statistics Fall Enrollment, Institutional Websites