Cities and Towns in Clark County, South Dakota

Founded in 1873, Clark County is one of 66 counties in the state of South Dakota. Historically, Clark County was formed from Hanson County. The city of Clark is the county seat. With FIPS code of 25, Clark County has a population of 3,855 and area of 958 square miles (2,481 km²).

List of all cities in Clark County, SD alphabetically

City/Town	Postal Code	Area Code
Bloomfield, SD	57322	605
Bradley, SD	57217	605
Carpenter, SD	57322	605
Clark, SD	57225	605
Clark Colony, SD	57258	605
Crocker, SD	57217	605
Garden City, SD	57236	605
Naples, SD	57271	605
Raymond, SD	57258	605
Vienna, SD	57271	605
Willow Lake, SD	57278	605

Major Cities and Towns in Clark County, South Dakota

Clark

Area, Population, and Zip Codes

• Area: Approximately 0.9 square miles
• Population: Around 1,100 (2023 estimate)
• Zip Code: 57225
• Latitude: 44.8769° N
• Longitude: 97.7334° W

Location and History

Clark, the county seat of Clark County, is located in the northeastern part of South Dakota. Established in the late 19th century, Clark grew as a center for agriculture and trade, benefiting from its location along important transportation routes. Named after Newton Clark, a legislator who played a key role in the region’s development, the city has a rich history tied to the settlement of the Dakota Territory. Today, Clark is a vibrant small town that serves as the administrative and cultural hub for the county.

Major Schools and Landmarks

The Clark School District serves the city, with Clark High School offering academic programs and extracurricular activities. Major landmarks include the Clark County Courthouse, an iconic structure in the city center, and the Dickinson Park, a popular destination for families and outdoor enthusiasts. The city also hosts the annual Potato Day celebration, honoring its agricultural roots with parades, events, and local cuisine.

Willow Lake

Area, Population, and Zip Codes

• Area: Approximately 0.3 square miles
• Population: Around 250 (2023 estimate)
• Zip Code: 57278
• Latitude: 44.6231° N
• Longitude: 97.6425° W

Location and History

Willow Lake, situated in southeastern Clark County, was founded in the late 19th century and named for the nearby lake surrounded by willow trees. The town developed as a result of the expanding railroad network, which brought settlers and economic opportunities to the area. Agriculture, particularly crop farming and livestock raising, has been the cornerstone of Willow Lake’s economy and culture since its inception.

Major Schools and Landmarks

Willow Lake School District provides educational opportunities for residents, including Willow Lake High School. Key landmarks include Willow Lake itself, which offers fishing and recreation, and the city park, a gathering place for community events. The town’s historic buildings and friendly atmosphere make it a charming spot to experience South Dakota’s rural heritage.

Vienna

Area, Population, and Zip Codes

• Area: Approximately 0.1 square miles
• Population: Around 50 (2023 estimate)
• Zip Code: 57271
• Latitude: 44.6278° N
• Longitude: 97.5197° W

Location and History

Vienna is a small, close-knit town located in southeastern Clark County. Established in the early 20th century, Vienna was named after the Austrian capital, reflecting the influence of European settlers in the area. The town grew modestly as an agricultural community, providing a home for farmers and ranchers who contributed to the development of Clark County. Though small, Vienna has maintained its charm and strong sense of community.

Major Schools and Landmarks

Vienna does not have its own school district, and students typically attend schools in nearby towns like Willow Lake or Clark. Notable landmarks include Vienna’s historic church and community center, which host local events and gatherings. The surrounding farmland and prairie offer scenic beauty and opportunities for outdoor recreation, making Vienna a peaceful retreat for residents and visitors alike.