Cumberland County, Maine Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Cumberland County, ME Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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A
Health Above averageHealthiest county in Maine
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B
Income Around averageWealthiest county in Maine
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A+
Education Top gradeBest educated county in Maine
Source: Map AI Methodology
Population: density and quick facts
| Metric | Cumberland County | Maine Avg | U.S. Average |
|---|---|---|---|
| Population | 308,608 | 1,387,521 | 337,468,954 |
| Population density (per sq mi) | 253.6 | 39.2 | 86.4 |
| Population growth (%/yr) | 0.86% | 0.53% | 0.59% |
| Median age | 43.8 | 43.6 | 37.3 |
| Households | 132,061 | 597,020 | 130,235,071 |
Population in Cumberland County grew by 10.2% from 2009 to 2024, reaching 308,608 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Cumberland County is Millennials, aged 29–44, at 22.0% of residents. That is 2.0 points above Maine as a whole.
- Gen Z 13–28 61,689 20.0% +1.4 pts
- Millennials 29–44 67,930 22.0% +2.0 pts
- Gen X 45–60 65,987 21.4% -0.7 pts
- Boomers 61–79 58,644 19.0% -2.5 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Maine, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 51.2% of the people living in Cumberland County and men 48.8%.
- Women 51.2% Maine 50.9%
- Men 48.8% Maine 49.1%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Cumberland County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Cumberland County has a the economy index of B, which means it is quite prosperous.
| Metric | Cumberland County | Maine Avg | U.S. Average |
|---|---|---|---|
| Median household income | $95,774 | $74,723 | $80,455 |
| Income growth (%/yr) | 5.54% | 4.91% | 4.80% |
| Unemployment rate | 3.1% | 3.8% | 5.2% |
The median household income in Cumberland County is about 28% higher than in Maine.
Housing
| Metric | Cumberland County | Maine Avg | U.S. Average |
|---|---|---|---|
| Median home price | $343,438 | $261,367 | $248,835 |
| Median rent | $1,589 | $1,139 | $1,407 |
| Homeownership rate | 69.8% | 74.3% | 65.2% |
The median home price in Cumberland County is about 18.0 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,589 per month for that long.
Commute Time & Mobility
Commuters in Cumberland County spend about 41 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 169 hours, about 7.1 full days, spent commuting.
| Metric | Cumberland County | Maine Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 20.3 | 20.8 | 22.4 |
| Round-trip commute (min) | 40.7 | 41.6 | 44.8 |
| Yearly time spent (hours) | 169 | 173 | 187 |
| Estimated yearly cost | $5,251 | $5,372 | $5,790 |
| Work from home | 21.8% | 15.9% | 15.0% |
| Highway traffic (vehicles/day) | 7,119 | 4,904 | 8,813 |
| Local road traffic (vehicles/day) | 1,705 | 1,015 | 1,355 |
Fastest commutes among counties in
Maine:
Aroostook County (13.5 min), Piscataquis County (16.3 min), Knox County (16.6 min).
Slowest:
York County (23.9 min), Oxford County (23.4 min), Somerset County (22.5 min).
The average commute time in Cumberland County is 20 minutes, shorter than the 21 minutes in Maine.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Cumberland County has a education index of A+, which means it is exceptionally educated.
| Metric | Cumberland County | Maine Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 47.3% | 31.9% | 31.6% |
| Average household size | 2.26 | 2.25 | 2.53 |
Highest education index among counties in
Maine:
Cumberland County (0.4), Sagadahoc County (0.3), Hancock County (0.3).
Lowest:
Somerset County (0.2), Piscataquis County (0.2), Aroostook County (0.2).
Health
Cumberland County has a health index of A, which means it is very healthy.
| Metric | Cumberland County | Maine Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.1 | 78.2 | 78.3 |
| Self-rated poor health | 10.1% | 13.9% | 16.3% |
| Smokers | 12.9% | 18.8% | 19.0% |
Highest health index among counties in
Maine:
Cumberland County (0.8), York County (0.8), Sagadahoc County (0.8).
Lowest:
Washington County (0.8), Piscataquis County (0.8), Aroostook County (0.8).
Cumberland County, ME Compared With Nearby Counties
Cumberland County, ME is the largest of the 6 counties compared here, 308,608 residents against a local median of 113,398. Cumberland County, ME's median home price, at $343,438, runs 59% above the $215,519 typical of the counties around it.
Median household income tells the same story from another angle: $95,774 against a local median of $68,834, 39% above it. The one measure here that carries a verdict is median household income, and at 39% above the local median it puts Cumberland County, ME at the better end of the local range. The counties themselves spread $263,772 on median home price, so Cumberland County, ME sits at one end of an already wide local range rather than apart from it. Cumberland County, ME has the 3rd highest median home price of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Cumberland County, ME | 308,608 | $95,774 #1/6 | $343,438 #3/6 | 20.3 min #1/6 |
| Androscoggin County, ME | 113,398 | $67,035 | $145,070 | 20.9 min |
| Sagadahoc County, ME | 37,285 | $86,674 | $408,621 | 22.2 min |
| York County, ME | 216,704 | $88,726 | $408,842 | 23.9 min |
| Oxford County, ME | 59,255 | $60,170 | $215,519 | 23.4 min |
| Kennebec County, ME | 126,799 | $68,834 | $174,285 | 21.1 min |
Frequently Asked Questions
Common questions about Cumberland County, Maine.
What is the population of Cumberland County, Maine?
About 308,608 people live in Cumberland County, Maine, in 132,061 households of 2.3 people on average. The median age is 43.8, so residents are older than the U.S. median of 37.3 by about 7 years.
Is Cumberland County, Maine urban or rural?
Averaged over its land area, Cumberland County, Maine has 254 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 2.9 times the U.S. average of 86.
How affordable is housing in Cumberland County, Maine?
The median home costs 3.6 times the median household income ($343,438 against $95,774), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,589 a month takes about 20% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is it hard to find a job in Cumberland County, Maine?
Unemployment in Cumberland County, Maine is only 3.1%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How educated are people in Cumberland County, Maine?
47.3% of adults in Cumberland County, Maine hold a bachelor's degree or higher (about 1 in 2), well above the U.S. share of 31.6%.
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