Market insights · Massachusetts
Suffolk County, MA: growth, migration and housing
Suffolk County has 791,891 residents, up 0.1% since 2020 (-0.2% in the last year). In 2022–2023, 36,173 households moved in and 39,935 moved out (-3,762 net), while a net $1.71B of income left. Median household income is $95,631, the median home $705,800 and median rent $2,129 a month.
In Massachusetts: 12th of 14 counties for 5-year population growth · 13th of 14 counties for net in-migration (per resident) · 8th of 14 counties for median household income · 4th of 14 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) |
|---|---|---|
| Middlesex County, MA | 7,512 | $859.5M |
| Norfolk County, MA | 4,217 | $409.4M |
| Essex County, MA | 1,949 | $183.2M |
| Plymouth County, MA | 1,167 | $106.7M |
| Worcester County, MA | 921 | $68.2M |
| New York County, NY | 731 | $139.5M |
| Bristol County, MA | 601 | $42.9M |
| Providence County, RI | 474 | $31.2M |
Where leavers went
Top counties by households leaving Suffolk County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Middlesex County, MA | 9,674 | $1134.2M |
| Norfolk County, MA | 5,965 | $750.9M |
| Essex County, MA | 2,693 | $317.4M |
| Plymouth County, MA | 1,763 | $210.8M |
| New York County, NY | 1,246 | $187.6M |
| Worcester County, MA | 960 | $89.0M |
| Bristol County, MA | 891 | $78.5M |
| Providence County, RI | 676 | $50.7M |
BizyFi in Suffolk County
50 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Massachusetts companies.
← All Massachusetts counties · National rankings
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.