Arnold is a village in Custer County, Nebraska, United States.

[4] Arnold was laid out and platted in 1883 in anticipation that the railroad would soon be extended to that point.

[5] According to the United States Census Bureau, the village has a total area of 0.67 square miles (1.74 km2), all land.

There were 348 housing units at an average density of 519.4 per square mile (200.5/km2).

41.4% of all households were made up of individuals, and 21.7% had someone living alone who was 65 years of age or older.

There were 351 housing units at an average density of 453.9 per square mile (175.3/km2).

37.6% of all households were made up of individuals, and 20.5% had someone living alone who was 65 years of age or older.