Market insights · Maine
Somerset County, ME: growth, migration and housing
Somerset County has 51,620 residents, up 2.3% since 2020 (+0.3% in the last year). In 2022–2023, 1,493 households moved in and 1,278 moved out (+215 net), bringing in a net $17.4M of income. Median household income is $58,179, the median home $166,900 and median rent $910 a month.
In Maine: 13th of 16 counties for 5-year population growth · 2nd of 16 counties for net in-migration (per resident) · 14th of 16 counties for median household income · 14th of 16 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Somerset County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Kennebec County, ME | 406 | $20.4M |
| Penobscot County, ME | 189 | $7.5M |
| Cumberland County, ME | 88 | $5.2M |
| Franklin County, ME | 79 | $3.0M |
| Waldo County, ME | 49 | $2.5M |
| Androscoggin County, ME | 43 | $2.2M |
| York County, ME | 34 | $1.7M |
| Piscataquis County, ME | 27 | $1.0M |
Where leavers went
Top counties by households leaving Somerset County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Kennebec County, ME | 363 | $15.4M |
| Penobscot County, ME | 190 | $8.7M |
| Franklin County, ME | 69 | $3.2M |
| Cumberland County, ME | 66 | $4.0M |
| Waldo County, ME | 46 | $1.9M |
| Androscoggin County, ME | 37 | $1.9M |
| Piscataquis County, ME | 26 | $1.4M |
| Hancock County, ME | 22 | $0.9M |
BizyFi in Somerset 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.