As of 2025 the population of Carroll County is 20,651. The population is expected to shrink to 20,532 by 2030 - a growth rate of -0.12%.
The median age of Carroll County residents is 42.
The diversity index of Carroll County is 19.7, meaning that there is a 20% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
The average household income in Carroll County is $92,783 and projected to be $104,107 in 2030. Per capita income is $39,461, projected to be $44,412 in 2030. 3.21% of households – 663 – have an income of $200,000 or higher. Average net worth is $985,165 and the average disposable income is $70,657.
There are 9,574 housing units in Carroll County; 6,586 are owner-occupied, 2,188 are rented, and 800 are vacant. The average home value is $282,709, with 323 homes built in 2010 or later, and 2,604 built in 1939 or earlier.
There are 1,240 businesses in Carroll County, employing 13,063 workers and pulling from a labor force of 10,469 age 16 and above. 1,082 workers commute into Carroll County from outside the county or state. Key industries for the area include:
9,364 residents both live and work in/around Carroll County. The average travel time is 14.8 minutes. 14.64% people have a commute of less than 5 minutes while 1.88% commute 90 minutes or more each way. Of commuters, 8,719 drive alone, 780 carpool, and 48 take public transportation. 228 use other modes of transport such as motorcycle, bicycle, walking, etc. 680 residents work from home.
5,436 members of the workforce hold a high school diploma or GED. 2,280 have associates degrees, 2,623 have bachelor’s degrees, and 825 hold a graduate or professional degree.
Source: ESRI, 2025-10-16
