[4] Named after William of Orange,[5] the community maintains its Dutch settler traditions visibly, with Dutch storefront architecture and an annual Tulip Festival.

The city was founded in 1870 by settlers from Pella, Iowa, who were looking for cheaper and better land.

[9] According to the United States Census Bureau, the city has a total area of 3.94 sq mi (10.20 km2), all land.

[10] As of the census of 2020,[12] there were 6,267 people, 2,095 households, and 1,479 families residing in the city.

There were 2,209 housing units at an average density of 510.2 per square mile (197.0/km2).

The median age in the city was 29.1 years; 23.1% of residents were under 18, 22.2% were between 18 and 24, 19.3% were from 25 to 44, 20.7% were from 45 to 64, and 14.7% were 65 or older.

Major companies headquartered in Orange City include Diamond Vogel, Pizza Ranch, and Revival Animal Health Systems.

The current Orange City Elementary building opened in the early 1920s, but a new one will enter use in the 2023-2024 school year.

[20] It is also within 30 miles of Northwest Iowa Community College in Sheldon, which was started in 1966 as a pilot program sponsored by the Department of Education in cooperation with the local high schools.

The city also has congregations from the Lutheran Church–Missouri Synod, Southern Baptist Convention, Presbyterian Church in America, Episcopal, Christian and Missionary Alliance, and Evangelical Free Church of America denominations.

A Catholic church is located in Alton, Iowa, 3 miles east of Orange City.