Market insights · Missouri
Montgomery County, MO: growth, migration and housing
Montgomery County has 11,590 residents, up 2.6% since 2020 (+0.3% in the last year). In 2022–2023, 299 households moved in and 283 moved out (+16 net), bringing in a net $2.3M of income. Median household income is $65,500, the median home $178,700 and median rent $788 a month.
In Missouri: 47th of 115 counties for 5-year population growth · 45th of 115 counties for net in-migration (per resident) · 32nd of 115 counties for median household income · 43rd of 115 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Montgomery County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| St. Charles County, MO | 57 | $3.5M |
| Warren County, MO | 56 | $2.6M |
| Lincoln County, MO | 29 | $1.1M |
| St. Louis County, MO | 29 | $1.4M |
| Audrain County, MO | 28 | $1.3M |
Where leavers went
Top counties by households leaving Montgomery County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Warren County, MO | 52 | $2.2M |
| St. Charles County, MO | 27 | $1.1M |
| Lincoln County, MO | 25 | $1.0M |
| Audrain County, MO | 22 | $0.8M |
BizyFi in Montgomery 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.