Halstead is a city in Harvey County, Kansas, United States.

In 1803, most of modern Kansas was secured by the United States as part of the Louisiana Purchase.

[9] According to the United States Census Bureau, the city has a total area of 1.31 square miles (3.39 km2), all land.

[10] The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

[11] The 2020 United States census counted 2,179 people, 831 households, and 565 families in Halstead.

There were 914 housing units at an average density of 678.0 per square mile (261.8/km2).

26.8% of households consisted of individuals and 11.8% had someone living alone who was 65 years of age or older.

There were 917 housing units at an average density of 700.0 per square mile (270.3/km2).

28.1% of all households were made up of individuals, and 13.2% had someone living alone who was 65 years of age or older.

There were 849 housing units at an average density of 651.9 per square mile (251.7/km2).

26.8% of all households were made up of individuals, and 13.2% had someone living alone who was 65 years of age or older.