As of 2026 the population of Carroll County is 20,620. The population is expected to shrink to 20,529 by 2031 - a growth rate of -0.09%.
The median age of Carroll County residents is 42.
The diversity index of Carroll County is 20.9, meaning that there is a 21% 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 $97,521 and projected to be $113,087 in 2031. Per capita income is $41,745, projected to be $48,558 in 2031. 3.31% of households – 682 – have an income of $200,000 or higher. Average net worth is $1,214,677 and the average disposable income is $74,179.
There are 9,597 housing units in Carroll County; 6,565 are owner-occupied, 2,221 are rented, and 811 are vacant. The average home value is $289,224, with 414 homes built in 2010 or later, and 2,842 built in 1939 or earlier.
There are 1,289 businesses in Carroll County, employing 13,886 workers and pulling from a labor force of 10,527 age 16 and above. 1,082 workers commute into Carroll County from outside the county or state. Key industries for the area include:
9,430 residents both live and work in/around Carroll County. The average travel time is 15.7 minutes. 12.42% people have a commute of less than 5 minutes while 2.45% commute 90 minutes or more each way. Of commuters, 8,590 drive alone, 840 carpool, and 64 take public transportation. 266 use other modes of transport such as motorcycle, bicycle, walking, etc. 767 residents work from home.
5,248 members of the workforce hold a high school diploma or GED. 2,286 have associates degrees, 2,640 have bachelor’s degrees, and 904 hold a graduate or professional degree.
Source: ESRI, 2026-09-09
