Market insights · Kentucky
Marion County, KY: growth, migration and housing
Marion County has 20,115 residents, up 2.7% since 2020 (+0.6% in the last year). In 2022–2023, 372 households moved in and 384 moved out (-12 net), bringing in a net $3.5M of income. Median household income is $59,627, the median home $168,100 and median rent $726 a month.
In Kentucky: 48th of 120 counties for 5-year population growth · 80th of 120 counties for net in-migration (per resident) · 54th of 120 counties for median household income · 46th of 120 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Marion County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Washington County, KY | 56 | $2.5M |
| Taylor County, KY | 51 | $2.1M |
| Nelson County, KY | 47 | $2.6M |
| Jefferson County, KY | 31 | $1.7M |
| Fayette County, KY | 24 | $1.4M |
Where leavers went
Top counties by households leaving Marion County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Taylor County, KY | 71 | $3.4M |
| Nelson County, KY | 53 | $2.1M |
| Washington County, KY | 49 | $2.1M |
| Jefferson County, KY | 33 | $1.4M |
BizyFi in Marion 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.