Market insights · New York
Jefferson County, NY: growth, migration and housing
Jefferson County has 111,540 residents, down 3.9% since 2020 (-1.1% in the last year). In 2022–2023, 4,057 households moved in and 4,485 moved out (-428 net), while a net $33.7M of income left. Median household income is $66,301, the median home $188,200 and median rent $1,213 a month.
In New York: 61st of 62 counties for 5-year population growth · 56th of 62 counties for net in-migration (per resident) · 49th of 62 counties for median household income · 32nd of 62 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Jefferson County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Lewis County, NY | 149 | $8.4M |
| St. Lawrence County, NY | 120 | $4.8M |
| Onondaga County, NY | 114 | $6.9M |
| El Paso County, CO | 86 | $4.2M |
| Oswego County, NY | 79 | $3.2M |
| Honolulu County, HI | 73 | $4.0M |
| Muscogee County, GA | 66 | $4.0M |
| Cumberland County, NC | 56 | $2.9M |
Where leavers went
Top counties by households leaving Jefferson County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Onondaga County, NY | 154 | $8.6M |
| Lewis County, NY | 140 | $7.0M |
| St. Lawrence County, NY | 113 | $4.8M |
| Honolulu County, HI | 103 | $5.2M |
| El Paso County, CO | 83 | $5.2M |
| Oswego County, NY | 80 | $3.9M |
| El Paso County, TX | 78 | $3.9M |
| Monroe County, NY | 65 | $2.9M |
BizyFi in Jefferson 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.