Cumberland County
Cumberland County has lower-than-average household income, with a median household income of $73,327. Population has declined 8% since 2000. 20% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $126,000. It sits in the top 10% of US counties for household income.
Population & growth
PEP 2025 EST:10,208 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
Education
Commute & transportation
Work & employment
People & community
Places similar to Cumberland County
Compare Cumberland County to nearby counties
How many people live in Cumberland County, Illinois?
Cumberland County, Illinois has about 10,334 residents according to the 2024 American Community Survey.
What is the median household income in Cumberland County, Illinois?
The typical household in Cumberland County, Illinois earns about $73,327 a year. Half of households make more than that, and half make less.
Is Cumberland County, Illinois expensive?
In Cumberland County, Illinois, the median home is worth about $126,000, and the typical rent is about $772 a month.
How educated are people in Cumberland County, Illinois?
About 19.6% of adults age 25 and over in Cumberland County, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Cumberland County, Illinois?
About 9.1% of people in Cumberland County, Illinois live below the federal poverty line.
Has Cumberland County, Illinois grown since 1990?
Yes, Cumberland County, Illinois has shrunk since 1990. The population has lost about 336 residents, a change of about -3 percent over that period.
Explore from here
DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024