Market insights · California
Siskiyou County, CA: growth, migration and housing
Siskiyou County has 42,013 residents, down 4.5% since 2020 (-1.1% in the last year). In 2022–2023, 831 households moved in and 1,100 moved out (-269 net), while a net $4.8M of income left. Median household income is $59,095, the median home $309,500 and median rent $1,091 a month.
In California: 52nd of 58 counties for 5-year population growth · 56th of 58 counties for net in-migration (per resident) · 56th of 58 counties for median household income · 56th of 58 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Siskiyou County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Shasta County, CA | 73 | $3.1M |
| Sacramento County, CA | 46 | $3.4M |
| Jackson County, OR | 32 | $1.3M |
| Klamath County, OR | 31 | $1.2M |
| Contra Costa County, CA | 24 | $2.2M |
| Los Angeles County, CA | 24 | $2.4M |
| Humboldt County, CA | 20 | $0.9M |
Where leavers went
Top counties by households leaving Siskiyou County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Shasta County, CA | 98 | $4.7M |
| Jackson County, OR | 92 | $5.1M |
| Klamath County, OR | 54 | $2.6M |
| Sacramento County, CA | 41 | $2.4M |
| Butte County, CA | 23 | $0.9M |
| Humboldt County, CA | 22 | $0.8M |
| Placer County, CA | 22 | $1.3M |
BizyFi in Siskiyou 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.