Carroll County, IL demographics:
population, income, and more
Carroll County population
How many people live in Carroll County
Carroll County is home to 15,576 residents, according to the most recent Census data. Gender-wise, 54.9% of Carroll County locals are male, and 45.1% are female.
Age demographics
The median age in Carroll County is 45, with the population distributed as follows: about 14.4% are children under 15, then 11.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.1% of the population, while another 26.2% fall into the 45 to 64 bracket. Finally, around 24.2% are 65 or older.
Racial makeup
In Carroll County, 96.6% of the population are US-born citizens, while 2% have gained naturalized citizenship. At the same time, 1.5% of residents are non-citizens. As for race, 90.1% of locals are Caucasian, 4% are African American and 0.8% have Asian roots. There’s also a share of 3.4% that includes residents with two or more races.
Households in Carroll County
A peek inside Carroll County households
Carroll County has 6,578 households, with an average of 2 members in each. Of these, 58.4% are families, while the remaining 41.6% are made up of individuals living alone or with non-relatives, such as roommates.
Households stats
Housing in Carroll County
The housing landscape of Carroll County
Carroll County's housing consists of 8,204 units, with 86.3% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.7% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 3.3% of the housing landscape.
The age of buildings in Carroll County
In Carroll County, the median construction year is 1957. About 35% of homes were built before the 1940s, with another 7.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 8.6% of homes were added from 2000 to 2009, 2.2% between 2010 and 2019, and 0.5% are part of the newest wave of development.
Carroll County occupancy rates
Out of the 6,578 occupied housing units in Carroll County, 77.2% are owner-occupied, while 22.8% are lived in by tenants. Meanwhile, 19.8% of all homes on the local market sit vacant.
Carroll County housing costs
Housing costs in Carroll County come to a median of $818 per month, while tenants specifically pay a median gross rent of $818.
Education in Carroll County
Carroll County education at a glance
About 45.6% of the population in Carroll County went to high school, while 23.2% pursued college studies. Another 10.5% earned an associate degree and 12.7% hold a bachelor’s. Meanwhile, 4.3% went even further, earning a master’s or doctorate.
Income in Carroll County
How much people earn in Carroll County
The average annual household income in Carroll County was $77,693 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -1.7% change from the previous year. At the same time, the median income stood at $60,758, reflecting a -0.2% shift over the same period.
Carroll County income by age
In Carroll County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $76,667. Those with someone between 45 and 64 in charge, often well established professionally, earn $71,563 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $39,821, while those led by someone over 65, many of whom may be retired, have about $49,497 in earnings. Overall, 85.9% of the locals in this community live above the poverty line.
Employment in Carroll County
Workforce and job types in Carroll County
The job market in Carroll County is powered by 6,473 working residents, spread across a range of industries and roles. 62.8% of the working population are employed in professional or administrative positions, while 37.2% are in hands-on or service-based jobs. Also, 13.1% run their own businesses, 63.5% are employed by private companies, and 14.6% work in the public sector.
Workforce demographics
Available workforce
The unemployment rate in Carroll County stands at 3.1%, representing the share of the workforce currently without a job and actively looking for one.
Transportation in Carroll County
How people get around in Carroll County
In Carroll County, the average commute time is 25 minutes. Commuting methods vary: 88.7% of residents travel by personal vehicle and 2.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.
What is the median and average household income in Carroll County by zipcode?
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FAQs about Carroll County demographics
What is the total population of Carroll County?
What is the gender ratio in Carroll County?
- 54.9% males (8,556 residents)
- 45.1% females (7,020 residents)
What is the median age in Carroll County?
What is the age distribution of the population in Carroll County?
- Under 15: 14.4% (2,245 residents)
- Ages 15-24: 11.1% (1,732 residents)
- Ages 25-44: 24.1% (3,749 residents)
- Ages 45-64: 26.2% (4,082 residents)
- Over 65: 24.2% (3,768 residents)
What is the racial and ethnic makeup of Carroll County?
- White: 90.1% (14,027 residents)
- Black or African American: 4% (628 residents)
- American Indian and Alaska Native: 0.3% (44 residents)
- Asian: 0.8% (125 residents)
- Native Hawaiian and Other Pacific Islander: 0% (0 residents)
- Two or More Races: 3.4% (526 residents)
- Other: 1.4% (226 residents)
What percentage of the population in Carroll County are U.S.-born citizens?
How many housing units are there in Carroll County?
How many households are in Carroll County and what is the average household size?
What is the median household income in Carroll County?
What is the employment rate and job market overview for Carroll County?
Job types:
- White-collar workers: 62.8% (4,067 residents)
- Blue-collar workers: 37.2% (2,406 residents)
Places of employment:
- Self-employed: 13.1% (849 residents)
- Private companies: 63.5% (4,111 residents)
- Governmental workers: 14.6% (943 residents)
- Not-for-profit companies: 8.8% (570 residents)
Data source & methodology
The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.
The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.
No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.