Market insights · Missouri
Cass County, MO: growth, migration and housing
Cass County has 115,859 residents, up 7.1% since 2020 (+1.7% in the last year). In 2022–2023, 3,965 households moved in and 3,276 moved out (+689 net), bringing in a net $72.0M of income. Median household income is $87,535, the median home $292,400 and median rent $1,205 a month.
In Missouri: 8th of 115 counties for 5-year population growth · 7th of 115 counties for net in-migration (per resident) · 5th of 115 counties for median household income · 4th of 115 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Cass County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Jackson County, MO | 1,648 | $120.6M |
| Johnson County, KS | 507 | $65.8M |
| Clay County, MO | 128 | $7.3M |
| Bates County, MO | 92 | $4.3M |
| Johnson County, MO | 82 | $4.0M |
| Wyandotte County, KS | 56 | $2.3M |
| Henry County, MO | 43 | $1.9M |
| Miami County, KS | 40 | $2.5M |
Where leavers went
Top counties by households leaving Cass County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Jackson County, MO | 1,243 | $89.3M |
| Johnson County, KS | 315 | $23.2M |
| Bates County, MO | 120 | $6.4M |
| Clay County, MO | 107 | $6.6M |
| Johnson County, MO | 85 | $4.9M |
| Henry County, MO | 70 | $4.8M |
| Platte County, MO | 33 | $2.0M |
| Miami County, KS | 32 | $2.3M |
BizyFi in Cass 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.