Market insights · Florida
St. Johns County, FL: growth, migration and housing
St. Johns County has 346,328 residents, up 25.0% since 2020 (+3.9% in the last year). In 2022–2023, 13,294 households moved in and 9,220 moved out (+4,074 net), bringing in a net $831.9M of income. Median household income is $109,839, the median home $489,200 and median rent $1,922 a month.
In Florida: 1st of 67 counties for 5-year population growth · 10th of 67 counties for net in-migration (per resident) · 1st of 67 counties for median household income · 3rd of 67 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to St. Johns County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Duval County, FL | 3,393 | $388.3M |
| Clay County, FL | 391 | $35.5M |
| Flagler County, FL | 339 | $22.6M |
| Broward County, FL | 261 | $29.3M |
| Palm Beach County, FL | 219 | $33.6M |
| Orange County, FL | 202 | $20.6M |
| Volusia County, FL | 202 | $13.8M |
| Putnam County, FL | 160 | $8.2M |
Where leavers went
Top counties by households leaving St. Johns County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Duval County, FL | 2,618 | $310.9M |
| Clay County, FL | 413 | $32.2M |
| Flagler County, FL | 373 | $28.8M |
| Putnam County, FL | 233 | $12.6M |
| Volusia County, FL | 180 | $13.1M |
| Orange County, FL | 161 | $13.8M |
| Alachua County, FL | 136 | $8.7M |
| Hillsborough County, FL | 115 | $8.0M |
BizyFi in St. Johns County
Fewer than 3 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Florida companies.
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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.