Market insights · New York
Suffolk County, NY: growth, migration and housing
Suffolk County has 1,546,090 residents, up 1.6% since 2020 (+0.2% in the last year). In 2022–2023, 23,606 households moved in and 29,374 moved out (-5,768 net), while a net $806.9M of income left. Median household income is $130,686, the median home $578,400 and median rent $2,255 a month.
In New York: 8th of 62 counties for 5-year population growth · 55th of 62 counties for net in-migration (per resident) · 2nd of 62 counties for median household income · 8th of 62 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Suffolk County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Nassau County, NY | 6,970 | $784.1M |
| Queens County, NY | 4,036 | $359.1M |
| Kings County, NY | 1,722 | $213.1M |
| New York County, NY | 1,451 | $548.9M |
| Bronx County, NY | 387 | $26.4M |
| Westchester County, NY | 349 | $80.8M |
| Palm Beach County, FL | 315 | $38.7M |
| Hudson County, NJ | 181 | $25.2M |
Where leavers went
Top counties by households leaving Suffolk County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Nassau County, NY | 4,060 | $436.4M |
| Queens County, NY | 1,858 | $129.2M |
| New York County, NY | 1,743 | $658.5M |
| Kings County, NY | 1,252 | $150.5M |
| Palm Beach County, FL | 732 | $221.6M |
| Westchester County, NY | 353 | $121.1M |
| Broward County, FL | 347 | $46.4M |
| Horry County, SC | 320 | $28.2M |
BizyFi in Suffolk County
16 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse New York 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.