[3][4] Dallas County is part of the Springfield, MO Metropolitan Statistical Area.

[5] As of the census of 2000,[11] there were 15,661 people, 6,030 households and 4,383 families residing in the county.

[1] Dallas County is the county with the largest concentration of Kauffman Amish Mennonites, who have preserved Pennsylvania German as their everyday language and an old form of Standard German for church.

23.70% of all households were made up of individuals, and 11.60% had someone living alone who was 65 years of age or older.

The Republican Party predominantly controls politics at the local level in Dallas County.

Senator Hillary Clinton (D-New York) received more votes, a total of 1,157, than any candidate from either party in Dallas County during the 2008 presidential primary.

She narrowly edged out former Governor Mike Huckabee (R-Arkansas) by four votes.