Market insights · Idaho
Fremont County, ID: growth, migration and housing
Fremont County has 14,208 residents, up 5.9% since 2020 (-1.0% in the last year). In 2022–2023, 372 households moved in and 422 moved out (-50 net), bringing in a net $3.0M of income. Median household income is $72,683, the median home $314,200 and median rent $864 a month.
In Idaho: 29th of 44 counties for 5-year population growth · 37th of 43 counties for net in-migration (per resident) · 13th of 44 counties for median household income · 24th of 44 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Fremont County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Madison County, ID | 89 | $4.0M |
| Bonneville County, ID | 41 | $2.3M |
| Ada County, ID | 20 | $2.4M |
Where leavers went
Top counties by households leaving Fremont County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Madison County, ID | 112 | $4.6M |
| Bonneville County, ID | 62 | $3.6M |
| Jefferson County, ID | 22 | $0.9M |
BizyFi in Fremont 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 Idaho 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.