[3] The terrain of Jerauld County consists of low rolling hills, mostly devoted to agriculture.

[4] The terrain slopes to the south and east, with the county's highest point on the west boundary line near its NW corner, at 1,932 ft (589 m) ASL.

In terms of ancestry, 50.6% were German, 17.7% were Norwegian, 11.6% were English, 6.8% were Irish, 5.3% were Swedish, and 2.2% were American.

In the 2008 US presidential election, Republican John McCain won Jerauld County over Democrat Barack Obama by four votes.

[citation needed] Jerauld County voters have tended to vote Republican; since 1960 the county has chosen the Republican Party candidate in 71% of national elections.

The county is served by the True Dakotan weekly newspaper.