Market insights · South Carolina
Florence County, SC: growth, migration and housing
Florence County has 138,504 residents, up 1.2% since 2020 (+0.1% in the last year). In 2022–2023, 3,050 households moved in and 2,981 moved out (+69 net), bringing in a net $9.0M of income. Median household income is $58,305, the median home $177,900 and median rent $954 a month.
In South Carolina: 30th of 46 counties for 5-year population growth · 34th of 46 counties for net in-migration (per resident) · 22nd of 46 counties for median household income · 22nd of 46 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Florence County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Darlington County, SC | 528 | $23.6M |
| Williamsburg County, SC | 170 | $5.2M |
| Horry County, SC | 145 | $7.2M |
| Richland County, SC | 111 | $4.4M |
| Marion County, SC | 108 | $4.1M |
| Sumter County, SC | 75 | $3.8M |
| Dillon County, SC | 69 | $2.7M |
| Clarendon County, SC | 54 | $2.7M |
Where leavers went
Top counties by households leaving Florence County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Darlington County, SC | 501 | $18.6M |
| Richland County, SC | 163 | $6.6M |
| Horry County, SC | 143 | $7.7M |
| Williamsburg County, SC | 130 | $4.0M |
| Mecklenburg County, NC | 93 | $4.3M |
| Sumter County, SC | 86 | $3.3M |
| Greenville County, SC | 72 | $4.5M |
| Marion County, SC | 70 | $2.2M |
BizyFi in Florence County
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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.