Market insights · Montana
Carter County, MT: growth, migration and housing
Carter County has 1,383 residents, down 1.6% since 2020 (-2.7% in the last year). Median household income is $54,167, the median home $199,200 and median rent $824 a month.
In Montana: 44th of 56 counties for 5-year population growth · 48th of 56 counties for median household income · 40th of 56 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Carter County, 2022–2023 (IRS).
The IRS publishes no county-level flows for Carter County (it suppresses flows of fewer than 20 households).
Where leavers went
Top counties by households leaving Carter County, 2022–2023 (IRS).
The IRS publishes no county-level flows for Carter County (it suppresses flows of fewer than 20 households).
BizyFi in Carter 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 Montana 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.