Skip to content
Beacon CRE

Cumberland County, ME: population growth, jobs and income

Cumberland County gained 2,557 residents between 2024 and 2025 (+0.8%).

Cumberland County had an estimated 317,222 residents in 2025, up 4.5% (13,634 more people) since 2020. That is faster than Maine as a whole (+3.7%), and the 4th fastest growth of 16 counties in Maine.

Data as of 2025 · updated

See page 1 free (PDF)

14-day full refund · Stripe, Apple Pay or Google Pay · Instant PDF + CSV · Sold by Simply Stats LLC (NC)

How we compute every number · Refund terms

In the Cumberland County report

One-time $99 PDF: everything on this page for Cumberland County, ranked against Maine and the U.S., plus these figures that are not on the free page:

  • Median gross rent$1,589/mo2020–24
  • Vacant homes, incl. seasonal and second homes13.8%2020–24
  • New homes permitted, last 12 months2,1472025-10/2026-09
  • Rent growth, 5 yearsIn the report
  • Permits in 5+ unit buildingsIn the report
  • IRS income moving in (net AGI)In the report
  • Neighbouring-county comparison tableIn the report

What's inside: 5 pages

  1. 1 Summary, headline numbers and ranks (free preview)
  2. 2 Ranks and the neighbouring-county table
  3. 3 Migration, with IRS mover and income flows
  4. 4 Rent, vacant homes, permits and employers
  5. 5 Every source and the methods
See every page of a sample report

Want Pro for Maine? Get notified

Headline numbers

What the numbers say

Net domestic migration added 805 people in 2025: more people moved in from other U.S. counties than moved out.

Private employers had 190,022 paid employees in mid-March 2023, +9.6% since 2018 (County Business Patterns).

Unemployment averaged 2.7% in 2025, 0.5 points higher than in 2019 (before the pandemic).

Builders were authorized to start 1,756 new homes in 2025, or 5.5 per 1,000 residents.

Median household income was $95,677 in the 2020–24 American Community Survey, +25.9% since 2016–20.

Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 692nd.

Part of the Portland-South Portland, ME metro area.

Get Cumberland County’s next numbers by email

Email me when Cumberland County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.

We use your address only to email you when new data for Cumberland County is out: what changed, with a link to that county's report. No newsletter, no other sales emails. Delete it any time with the link in every email. We'll email you a link to confirm first; nothing starts until you click it. Privacy notice.

Cumberland County population by year

Resident population, July 1 estimate (Census Bureau)
YearPopulationChange
2025317,222+2,557
2024314,665+3,020
2023311,645+2,113
2022309,532+3,382
2021306,150+2,562
2020303,588–

Census Bureau population estimates, July 1 of each year.

What drove the change in Cumberland County

Cumberland County grew by 13,634 people since 2020; the largest part came from international migration (+9,657).

Components of population change, people (Census Bureau)
Component20252020–25Share
Natural changebirths minus deaths−279−1,489
International migrationfrom and to other countries+2,010+9,657
Domestic migrationfrom and to other U.S. counties+805+5,425
Census adjustmentbalancing residual+21+41
Total change+2,557+13,634

Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.

How it ranks

MeasureIn MaineAmong U.S. counties
Population growth4th of 16692nd of 3,107
Net domestic migration per 1,000 residents15th of 161,469th of 3,108
Private-sector job growth2nd of 16726th of 3,092
Median household income1st of 16212th of 3,107
Lowest unemployment rate1st of 16198th of 3,108
New homes permitted per 1,000 residents7th of 16525th of 3,005

1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.

Get the county report — $99

The County Growth and Demographics Report for Cumberland County, ME as a PDF, from federal data: population and migration, housing and rents, permits, private employers and jobs, unemployment, ranks in the state and the country, and neighbouring counties, with a source next to every number. Pay once, no subscription.

Add 2 neighbouring counties for $50: the York County and Androscoggin County reports too, $149 for all 3.

Choose other neighbouring counties

Preview page 1 of the Cumberland County report (free, PDF) · See a full 5-page sample (PDF) · Other counties and options

Every purchase also includes a CSV of every table in the report, ready for a spreadsheet.

Refund terms: Terms. · How we compute every number

Neighbouring counties

Over 2020–25, Cumberland County's population change (+4.5%) was ahead of 2 of its 4 neighbouring counties and behind 2 (Androscoggin County and York County).

Its median household income ($95,677, 2020–24) is higher than in all 4 of its neighbouring counties.

Cumberland County, ME and its 4 neighbouring counties: public federal figures
CountyPopulation2025Population change2020–25Net domestic migration per 1,000 residents2025Homes permitted per 1,000 residents2025Median household income2020–24
Cumberland County, ME This county317,222+4.5%2.55.5$95,677
Androscoggin County, ME116,487+4.8%3.33.9$67,873
York County, ME222,434+4.8%6.86.6$88,333
Sagadahoc County, ME37,979+3.4%8.76.8$87,806
Oxford County, ME60,346+4.2%11.87.8$60,173

Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.

All 16 Maine counties · Every state

Questions

Is Cumberland County growing?

Yes. Its population grew 4.5% between 2020 and 2025, about 13,634 more people (Census Bureau population estimates). Maine as a whole changed +3.7% over the same years. That ranks 4th of 16 counties in Maine for population growth.

How many people moved to Cumberland County?

On net, about 805 people in 2025: that many more moved in from other U.S. counties than moved out (Census Bureau net domestic migration estimate).

What is the unemployment rate in Cumberland County?

It averaged 2.7% in 2025 (BLS Local Area Unemployment Statistics, annual average).

What is the population of Cumberland County?

About 317,222 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.

How many jobs are in Cumberland County?

Private employers there had 190,022 paid employees in mid-March 2023, +9.6% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).

What Beacon CRE covers in Maine

Map, parcel and listing layers cover North and South Carolina only for now. This page and the other Maine county pages carry the public federal growth figures.

Cumberland County data alerts

Email me when Cumberland County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.

We use your address only to email you when new data for Cumberland County is out: what changed, with a link to that county's report. No newsletter, no other sales emails. Delete it any time with the link in every email. We'll email you a link to confirm first; nothing starts until you click it. Privacy notice.

Sources and method

Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.

Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.