Market insights · Maine
Cumberland County, ME: growth, migration and housing
Cumberland County has 317,222 residents, up 4.5% since 2020 (+0.8% in the last year). In 2022–2023, 9,380 households moved in and 8,868 moved out (+512 net), bringing in a net $124.0M of income. Median household income is $95,677, the median home $451,200 and median rent $1,589 a month.
In Maine: 4th of 16 counties for 5-year population growth · 14th of 16 counties for net in-migration (per resident) · 1st of 16 counties for median household income · 1st of 16 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Cumberland County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| York County, ME | 1,310 | $84.0M |
| Androscoggin County, ME | 583 | $30.7M |
| Middlesex County, MA | 341 | $46.9M |
| Sagadahoc County, ME | 330 | $20.6M |
| Kennebec County, ME | 303 | $19.7M |
| Penobscot County, ME | 241 | $16.3M |
| Oxford County, ME | 228 | $16.9M |
| Suffolk County, MA | 207 | $25.5M |
Where leavers went
Top counties by households leaving Cumberland County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| York County, ME | 1,566 | $115.8M |
| Androscoggin County, ME | 900 | $53.9M |
| Sagadahoc County, ME | 436 | $31.7M |
| Kennebec County, ME | 353 | $19.5M |
| Oxford County, ME | 294 | $16.3M |
| Middlesex County, MA | 220 | $18.7M |
| Suffolk County, MA | 196 | $13.3M |
| Penobscot County, ME | 181 | $10.8M |
BizyFi in Cumberland County
5 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Maine 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.