Market insights · Indiana
Sullivan County, IN: growth, migration and housing
Sullivan County has 20,831 residents, up 0.1% since 2020 (+0.7% in the last year). In 2022–2023, 449 households moved in and 447 moved out (+2 net), bringing in a net $0.6M of income. Median household income is $56,204, the median home $131,100 and median rent $829 a month.
In Indiana: 74th of 92 counties for 5-year population growth · 47th of 92 counties for net in-migration (per resident) · 86th of 92 counties for median household income · 84th of 92 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Sullivan County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Vigo County, IN | 123 | $5.6M |
| Greene County, IN | 83 | $3.4M |
| Knox County, IN | 32 | $1.6M |
Where leavers went
Top counties by households leaving Sullivan County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Vigo County, IN | 131 | $6.1M |
| Greene County, IN | 62 | $2.3M |
| Knox County, IN | 37 | $1.6M |
| Marion County, IN | 20 | $1.0M |
BizyFi in Sullivan 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.