Market insights · Kansas
Sumner County, KS: growth, migration and housing
Sumner County has 22,312 residents, down 0.1% since 2020 (-0.3% in the last year). In 2022–2023, 597 households moved in and 649 moved out (-52 net), while a net $3.6M of income left. Median household income is $63,951, the median home $135,100 and median rent $825 a month.
In Kansas: 28th of 105 counties for 5-year population growth · 54th of 103 counties for net in-migration (per resident) · 54th of 105 counties for median household income · 43rd of 105 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Sumner County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Sedgwick County, KS | 304 | $15.3M |
| Cowley County, KS | 49 | $1.8M |
| Butler County, KS | 24 | $1.1M |
Where leavers went
Top counties by households leaving Sumner County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Sedgwick County, KS | 328 | $15.9M |
| Cowley County, KS | 68 | $3.6M |
| Butler County, KS | 25 | $1.3M |
BizyFi in Sumner 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.