[3] It is named for Sidney Sherman, who fought in the Texas Revolution.

[4] As of the census[10] of 2000, 3,186 people, 1,124 households, and 865 families resided in the county.

In terms of ancestry, 20.3% were German, 7.3% were English, 7.1% were of American, 5.5% were of Irish, 2.6% were of Scottish, and 1.9% were of Dutch.

About 21.5% of all households were made up of individuals, and 10.0% had someone living alone who was 65 or older.

The median income for a household in the county was $33,179, and for a family was $38,821.