The 2010 U. S. Census shows that Caucasians made up nearly 65.5% of Sutter County's population. The remainder of the population includes Hispanics (28.8%), Asians, including Sutter County's large East Indian population (11.1%), African Americans (1.8%), and Native Americans (1.4%).
The median age in Sutter County, according to the 2010 census, was 34.5 years, Children accounted for over 32.7% of the population and seniors (65 and older) made up approximately 12.7%.
In the 2015 Report of Registration, there were 41,508 registered voters in Sutter County. Party affiliation was as follows:
|Decline to State (No party)||7,660||18.45%|
|Peace & Freedom||136||0.33%|
Sutter County has shown a high unemployment rate, an average of 15.4% in 2013. Many people who choose to live in Sutter County commute to work in one of the many surrounding counties.
The availability of water, plus long sunny growing seasons, make Sutter County an outstanding fertile area for agriculture. With over 77% of the County's total acreage classified as "important farmland," with 43.5% considered prime, coupled with the high value of agricultural production, Sutter County is one of the most intensively farmed counties in California. Agricultural products grown in Sutter County are exported throughout the world.