Cities and Towns in Sioux County, Iowa

Founded on Jan 15, 1851, Sioux County is one of 99 counties in the state of Iowa. Historically, Sioux County was formed from Plymouth County. The city of Orange City is the county seat. With FIPS code of 167, Sioux County has a population of 35,893 and area of 768 square miles (1,989 km²).

List of all cities in Sioux County, IA alphabetically

City/Town	Postal Code	Area Code
Alton, IA	51003	712
Boyden, IA	51234	712
Carmel, IA	51247	712
Carnes, IA	51003	712
Chatsworth, IA	51011	712
Granville, IA	51022	712
Hawarden, IA	51011	712
	51023	712
Hospers, IA	51238	712
Hull, IA	51239	712
Ireton, IA	51027	712
Lebanon, IA	51250	712
Matlock, IA	51244	712
Maurice, IA	51036	712
McNally, IA	51027	712
Middleburg, IA	51041	712
Newkirk, IA	51238	712
Orange City, IA	51041	712
Perkins, IA	51239	712
Rock Valley, IA	51247	712
Sioux Center, IA	51250	712

Major Cities and Towns in Sioux County, Iowa

Orange City

Area, Population, Zip Codes, Latitude, and Longitude

• Area: 3.94 square miles
• Population: Approximately 6,200 (as of 2023)
• Zip Code: 51041
• Latitude: 43.0069° N
• Longitude: 96.0584° W

City Location and History

Orange City, the county seat of Sioux County, is located in northwestern Iowa. It was founded in 1870 by Dutch settlers and named after the House of Orange, the royal family of the Netherlands. The city’s Dutch heritage is evident in its architecture, culture, and annual events. Over the years, Orange City developed into a vibrant agricultural and educational hub, with agriculture, manufacturing, and education being its primary economic drivers. The presence of Northwestern College, a Christian liberal arts college, has played a significant role in the town’s development. Today, Orange City is known for its strong community spirit, historical preservation, and celebration of its Dutch roots.

Major Schools and Landmarks

Orange City is served by the MOC-Floyd Valley Community School District, with MOC-Floyd Valley High School being the main educational institution. Northwestern College, a private Christian college, is another significant part of the town’s educational landscape. Major landmarks include Windmill Park, featuring a replica of a Dutch windmill, and the Vogel Old Mill, a tribute to the town’s Dutch heritage. The city hosts the annual Tulip Festival, which celebrates Orange City’s Dutch traditions with parades, traditional costumes, and Dutch pastries. Other landmarks include the Orange City Dutch Heritage Center and the Sioux County Courthouse, both reflecting the city’s rich history.

Sioux Center

Area, Population, Zip Codes, Latitude, and Longitude

• Area: 6.12 square miles
• Population: Approximately 8,100 (as of 2023)
• Zip Code: 51250
• Latitude: 43.0797° N
• Longitude: 96.1756° W

City Location and History

Sioux Center is located in the central part of Sioux County and was founded in the late 19th century. Initially established as a small farming community, Sioux Center grew steadily due to its rich agricultural surroundings. The construction of the railroad in the early 20th century further spurred growth, allowing farmers to export their produce more efficiently. The town’s strong Dutch influence is still visible today, with much of its early population consisting of Dutch immigrants. Sioux Center has transformed into a modern, thriving city with a diversified economy that includes manufacturing, healthcare, and education.

Major Schools and Landmarks

Sioux Center is served by the Sioux Center Community School District, which includes Sioux Center High School. The town is also home to Dordt University, a private Christian college known for its strong academic programs and vibrant campus life. Key landmarks include the Sioux Center Heritage Village, which showcases the area’s pioneer history, and the Dordt University campus, which includes the B.J. Haan Auditorium, a cultural center for the community. The All Seasons Center, a recreational facility with an indoor pool and ice rink, is another major attraction. Sioux Center hosts various community events, including the annual Sioux Center Summer Celebration.

Rock Valley

Area, Population, Zip Codes, Latitude, and Longitude

• Area: 3.19 square miles
• Population: Approximately 4,000 (as of 2023)
• Zip Code: 51247
• Latitude: 43.2025° N
• Longitude: 96.2975° W

City Location and History

Rock Valley is situated in the northwestern part of Sioux County, near the Big Sioux River, which serves as the border between Iowa and South Dakota. The town was founded in 1879 and developed as an agricultural and milling center, thanks to its proximity to the river. Rock Valley’s growth was driven by agriculture and the arrival of the railroad, which helped connect the town to broader markets. Over the years, Rock Valley has evolved into a thriving small town with a diversified economy, while retaining its agricultural roots. The town is known for its strong community spirit and its scenic location near the river.

Major Schools and Landmarks

Rock Valley is served by the Rock Valley Community School District, with Rock Valley High School being the primary educational institution. Key landmarks in the town include the Rock Valley Golf Club and Rivers Bend Campground, which offer recreational opportunities for residents and visitors. The town also features a historic downtown area with several well-preserved buildings from the early 20th century. The annual Rally in the Valley festival is a major community event, featuring parades, concerts, and other activities. The nearby Big Sioux Recreation Area provides additional outdoor recreational options, including fishing, hiking, and camping.

Hawarden

Area, Population, Zip Codes, Latitude, and Longitude

• Area: 3.28 square miles
• Population: Approximately 2,500 (as of 2023)
• Zip Code: 51023
• Latitude: 43.0011° N
• Longitude: 96.4859° W

City Location and History

Hawarden is located in the far northwestern corner of Sioux County, bordering South Dakota. The town was established in 1887 and originally named Calliope, but it was renamed Hawarden in honor of British Prime Minister William Gladstone’s home, Hawarden Castle. Like many towns in Sioux County, Hawarden grew as an agricultural center, supported by the expansion of the railroad. The town’s location along the Big Sioux River made it an important trading post in the late 19th and early 20th centuries. Over time, Hawarden has developed into a peaceful rural town, maintaining its agricultural base while diversifying into other industries.

Major Schools and Landmarks

Hawarden is part of the West Sioux Community School District, with West Sioux High School serving the area. The town’s key landmarks include the historical Calliope Village, a living history museum that preserves the town’s pioneer past, and the Hawarden Carnegie Library, one of the oldest libraries in the area. The Big Sioux River offers recreational opportunities such as fishing, kayaking, and birdwatching. The annual Hawarden Independence Day Celebration is a key community event, featuring parades, fireworks, and family-friendly activities. Additionally, the nearby Oak Grove State Park provides scenic trails and camping facilities.

Hull

Area, Population, Zip Codes, Latitude, and Longitude

• Area: 1.09 square miles
• Population: Approximately 2,200 (as of 2023)
• Zip Code: 51239
• Latitude: 43.1906° N
• Longitude: 96.1339° W

City Location and History

Hull is located in the northern part of Sioux County and was founded in the late 1800s. Originally named Pattersonville, the town was renamed Hull in honor of John A. T. Hull, an early Iowa politician. Hull developed as an agricultural center, supported by the construction of the Sioux City & Pembina Railway. Like other towns in the region, Hull has a strong Dutch heritage, with many of its early settlers being immigrants from the Netherlands. Today, Hull remains a thriving agricultural community, with a mix of farming, manufacturing, and local businesses contributing to its economy.

Major Schools and Landmarks

Hull is served by the Boyden-Hull Community School District, with Boyden-Hull High School being a key educational institution in the area. The Western Christian High School, a private school with a strong academic and athletic tradition, is also located in Hull. Key landmarks in the town include the Hull Historical Society and Museum, which preserves the town’s heritage, and the Veterans Memorial Park. The town also features several recreational areas, including the Hull Community Aquatic Center and Pattersonville Park. Hull’s annual Summerfest celebration brings the community together for parades, games, and family activities.

Alton

Area, Population, Zip Codes, Latitude, and Longitude

• Area: 1.05 square miles
• Population: Approximately 1,300 (as of 2023)
• Zip Code: 51003
• Latitude: 42.9875° N
• Longitude: 96.0111° W

City Location and History

Alton is located just southeast of Orange City in Sioux County and was founded in the 1870s. Originally known as East Orange, the town was renamed Alton in 1882 to avoid confusion with nearby Orange City. The town grew as a result of the railroad expansion, serving as a key shipping point for agricultural products in the region. Alton’s early economy was centered on agriculture, and it remains an important agricultural community to this day. The town is known for its well-preserved historic buildings and its quiet, small-town atmosphere, which attracts families and visitors seeking a peaceful, rural setting.

Major Schools and Landmarks

Alton is part of the MOC-Floyd Valley Community School District, with students attending schools in nearby Orange City. The town’s key landmarks include the Alton Roadside Park, which offers playgrounds, picnic areas, and recreational facilities for families. The St. Mary’s Catholic Church, a historic landmark in Alton, is known for its beautiful architecture and its role as a community center. Alton’s annual All-Class Reunion and other local events help maintain the town’s strong sense of community. Additionally, the Floyd River offers outdoor activities such as fishing and canoeing, providing scenic beauty for residents and visitors alike.