Market insights · Kentucky
Jefferson County, KY: growth, migration and housing
Jefferson County has 795,222 residents, up 1.6% since 2020 (+0.1% in the last year). In 2022–2023, 15,352 households moved in and 16,906 moved out (-1,554 net), while a net $335.5M of income left. Median household income is $69,866, the median home $248,400 and median rent $1,149 a month.
In Kentucky: 66th of 120 counties for 5-year population growth · 97th of 120 counties for net in-migration (per resident) · 13th of 120 counties for median household income · 11th of 120 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Jefferson County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Bullitt County, KY | 1,157 | $58.2M |
| Oldham County, KY | 764 | $71.8M |
| Clark County, IN | 683 | $33.4M |
| Fayette County, KY | 519 | $34.8M |
| Hardin County, KY | 468 | $19.0M |
| Miami-Dade County, FL | 403 | $12.0M |
| Shelby County, KY | 391 | $23.8M |
| Floyd County, IN | 389 | $22.7M |
Where leavers went
Top counties by households leaving Jefferson County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Bullitt County, KY | 1,536 | $90.0M |
| Clark County, IN | 1,046 | $60.9M |
| Oldham County, KY | 960 | $104.5M |
| Floyd County, IN | 620 | $45.5M |
| Shelby County, KY | 564 | $54.4M |
| Hardin County, KY | 468 | $20.4M |
| Fayette County, KY | 461 | $24.0M |
| Nelson County, KY | 247 | $14.1M |
BizyFi in Jefferson County
4 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Kentucky 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.