Arlington is a city in Reno County, Kansas, United States.

[6] In 1887, the Chicago, Kansas and Nebraska Railway built a main line from Herington through Arlington to Pratt.

In 1980, Arlington (with 503 residents at the time) was profiled by the Associated Press as a town that "has not had a murder in its entire history".

The police chief at the time, Ralph Almquist, had been hired in 1974, marking the first time that Arlington had had a full-time police force, and boasted that "We don't have any murders here because I don't allow crime.

"[8] According to the United States Census Bureau, the city has a total area of 1.07 square miles (2.77 km2), all land.

[9] The 2020 United States census counted 435 people, 196 households, and 116 families in Arlington.

There were 230 housing units at an average density of 186.5 per square mile (72.0/km2).

33.7% of households consisted of individuals and 17.3% had someone living alone who was 65 years of age or older.

32.5% of all households were made up of individuals, and 12% had someone living alone who was 65 years of age or older.

30.2% of all households were made up of individuals, and 18.3% had someone living alone who was 65 years of age or older.

The community is served by Fairfield USD 310 public school district.

Before the creation of USD 310, the old Arlington High School mascot was the Warriors.