Market insights · Missouri
Sullivan County, MO: growth, migration and housing
Sullivan County has 5,738 residents, down 4.1% since 2020 (-0.4% in the last year). In 2022–2023, 137 households moved in and 156 moved out (-19 net), bringing in a net $0.2M of income. Median household income is $56,964, the median home $115,600 and median rent $673 a month.
In Missouri: 110th of 115 counties for 5-year population growth · 102nd of 115 counties for net in-migration (per resident) · 72nd of 115 counties for median household income · 102nd of 115 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) |
|---|---|---|
| Adair County, MO | 20 | $1.3M |
Where leavers went
Top counties by households leaving Sullivan County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Adair County, MO | 38 | $1.3M |
BizyFi in Sullivan County
No companies in the BizyFi directory are based here yet. Search them on the company map (company names with a free account), or browse Missouri 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.