Cumberland County, Illinois Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Cumberland County, IL 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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B
Health Around average
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B
Income Around averageWealthier than 71% of counties in Illinois
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D
Education Well below averageLess educated than 81% of counties in Illinois
Source: Map AI Methodology
Population: density and quick facts
| Metric | Cumberland County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Population | 10,330 | 12,692,444 | 337,468,954 |
| Population density (per sq mi) | 29.8 | 219.1 | 86.4 |
| Population growth (%/yr) | -0.65% | -0.16% | 0.59% |
| Median age | 40.7 | 37.4 | 37.3 |
| Households | 4,177 | 5,035,584 | 130,235,071 |
Population in Cumberland County declined by 4.3% from 2009 to 2024, reaching 10,330 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Cumberland County is Gen X, aged 45–60, at 21.5% of residents. That is 1.1 points above Illinois as a whole.
- Gen Z 13–28 1,872 18.1% -3.1 pts
- Millennials 29–44 1,979 19.2% -2.7 pts
- Gen X 45–60 2,222 21.5% +1.1 pts
- Boomers 61–79 2,061 20.0% +3.0 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 Illinois, 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 50.0% of the people living in Cumberland County and men 50.0%.
- Women 50.0% Illinois 50.6%
- Men 50.0% Illinois 49.4%
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 | Illinois Avg | U.S. Average |
|---|---|---|---|
| Median household income | $73,571 | $84,042 | $80,455 |
| Income growth (%/yr) | 6.56% | 4.46% | 4.80% |
| Unemployment rate | 1.4% | 5.8% | 5.2% |
The median household income in Cumberland County is about 12% lower than in Illinois.
Housing
| Metric | Cumberland County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Median home price | $59,334 | $149,936 | $248,835 |
| Median rent | $772 | $1,274 | $1,407 |
| Homeownership rate | 84.2% | 67.1% | 65.2% |
The median home price in Cumberland County is about 6.4 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $772 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 170 hours, about 7.1 full days, spent commuting.
| Metric | Cumberland County | Illinois Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 20.4 | 23.6 | 22.4 |
| Round-trip commute (min) | 40.9 | 47.3 | 44.8 |
| Yearly time spent (hours) | 170 | 197 | 187 |
| Estimated yearly cost | $5,278 | $6,104 | $5,790 |
| Work from home | 8.5% | 15.9% | 15.0% |
| Highway traffic (vehicles/day) | 6,887 | 7,977 | 8,813 |
| Local road traffic (vehicles/day) | 839 | 1,547 | 1,355 |
Fastest commutes among counties in
Illinois:
Edgar County (12.0 min), Brown County (12.7 min), Morgan County (13.1 min).
Slowest:
Calhoun County (43.8 min), Pulaski County (31.2 min), Pope County (31.0 min).
The average commute time in Cumberland County is 20 minutes, shorter than the 24 minutes in Illinois.
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 D, which means it is barely educated.
| Metric | Cumberland County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 16.7% | 34.1% | 31.6% |
| Average household size | 2.44 | 2.46 | 2.53 |
Highest education index among counties in
Illinois:
DuPage County (0.4), Champaign County (0.4), Lake County (0.4).
Lowest:
Hardin County (0.2), Fayette County (0.2), Perry County (0.2).
Health
Cumberland County has a health index of B, which means it is quite healthy.
| Metric | Cumberland County | Illinois Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 78.3 | 77.9 | 78.3 |
| Self-rated poor health | 15.6% | 15.6% | 16.3% |
| Smokers | 20.1% | 19.2% | 19.0% |
Highest health index among counties in
Illinois:
DuPage County (0.8), Champaign County (0.8), Monroe County (0.8).
Lowest:
Alexander County (0.8), Pulaski County (0.8), Gallatin County (0.8).
Cumberland County, IL Compared With Nearby Counties
How Cumberland County, IL compares with the 2 counties closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Cumberland County, IL | 10,330 | $73,571 #2/3 | $59,334 #3/3 | 20.4 min #3/3 |
| Coles County, IL | 46,775 | $56,802 | $754,281 | 13.4 min |
| Effingham County, IL | 34,520 | $81,070 | $219,711 | 13.8 min |
Frequently Asked Questions
Common questions about Cumberland County, Illinois.
What is the population of Cumberland County, Illinois?
About 10,330 people live in Cumberland County, Illinois, in 4,177 households of 2.4 people on average. The median age is 40.7, so residents are older than the U.S. median of 37.3 by about 3 years.
Is Cumberland County, Illinois mostly urban or rural?
Averaged over its land area, Cumberland County, Illinois has 30 people per square mile, a density typical of rural areas. That is about 34% of the U.S. average of 86.
Is Cumberland County, Illinois an affordable place to live?
The median home costs 0.8 times the median household income ($59,334 against $73,571), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $772 a month takes about 13% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Cumberland County, Illinois?
Unemployment in Cumberland County, Illinois is only 1.4%, 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, Illinois?
16.7% of adults in Cumberland County, Illinois hold a bachelor's degree or higher (about 1 in 6), well below the U.S. share of 31.6%.
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