[4][5] and is named for William Beck Ochiltree, who was an attorney general of the Republic of Texas.

In terms of ancestry, 11.3% were of German, 10.3% were of Irish, 6.3% were of English, 5.4% were of American, and 1.5% were of Dutch, 1.5% were of Polish.

The last Democrat to carry the county was Harry S. Truman in 1948; Truman won 73.06% of the county's vote, more than twice the percentage any Democratic candidate has won in the subsequent 17 presidential elections.

Even Texan Lyndon Johnson did not reach 35% in his 1964 landslide, when Ochiltree was easily Goldwater’s strongest Texas county.

Indeed, Jimmy Carter in 1976 was the last Democrat to win 20% of the county's vote, and the last to reach so much as 10% was Bill Clinton in 1996.

The Allen campus of Frank Phillips College is located in Perryton.

Ochiltree County is the setting for the Hank the Cowdog series of children's books, in the unincorporated city of Twitchell.