As of 2026 the population of Sac County is 9,650. The population is expected to shrink to 9,508 by 2031 - a growth rate of -0.30%.
The median age of Sac County residents is 46.
The diversity index of Sac County is 22.1, meaning that there is a 22% 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 Sac County is $94,714 and projected to be $104,470 in 2031. Per capita income is $41,483, projected to be $45,801 in 2031. 2.73% of households – 263 – have an income of $200,000 or higher. Average net worth is $1,041,842 and the average disposable income is $72,689.
There are 5,112 housing units in Sac County; 3,325 are owner-occupied, 887 are rented, and 900 are vacant. The average home value is $241,416, with 209 homes built in 2010 or later, and 1,804 built in 1939 or earlier.
There are 604 businesses in Sac County, employing 4,065 workers and pulling from a labor force of 4,939 age 16 and above. 1,946 workers commute into Sac County from outside the county or state. Key industries for the area include:
2,989 residents both live and work in/around Sac County. The average travel time is 21.7 minutes. 18.67% people have a commute of less than 5 minutes while 2.61% commute 90 minutes or more each way. Of commuters, 4,247 drive alone, 293 carpool, and 12 take public transportation. 157 use other modes of transport such as motorcycle, bicycle, walking, etc. 230 residents work from home.
2,202 members of the workforce hold a high school diploma or GED. 1,171 have associates degrees, 1,222 have bachelor’s degrees, and 372 hold a graduate or professional degree.
Source: ESRI, 2026-09-09
