Intro
Get the complete list of Sioux City, IA zip codes with our quick guide. Discover the citys postal codes, map boundaries, and demographic insights. Find the right zip code for your needs, from 51101 to 51111, and explore the citys neighborhoods, schools, and local businesses with ease.
Located in the northwestern part of Iowa, Sioux City is a vibrant and diverse community that offers a unique blend of Midwestern charm and urban amenities. With a rich history, cultural attractions, and a thriving economy, Sioux City is an attractive place to live, work, and visit. If you're planning to move to Sioux City or simply want to learn more about the area, understanding the local zip codes is essential. In this article, we'll provide a comprehensive list of Sioux City IA zip codes, along with some valuable insights into the city's neighborhoods and communities.
Sioux City IA Zip Codes List

Here is a list of Sioux City IA zip codes:
- 51101
- 51102
- 51103
- 51104
- 51105
- 51106
- 51108
- 51109
- 51111
Understanding Sioux City's Zip Code Layout
Sioux City's zip codes are organized in a way that reflects the city's geography and neighborhoods. The zip codes are generally divided into two main areas: the downtown area and the surrounding suburbs.
- The downtown area, which includes zip codes 51101 and 51103, is home to many of the city's main attractions, including the Sioux City Art Center, the Orpheum Theatre, and the Hard Rock Hotel & Casino Sioux City.
- The surrounding suburbs, which include zip codes 51102, 51104, 51105, 51106, and 51108, offer a range of residential neighborhoods, shopping centers, and community parks.
Sioux City Neighborhoods and Communities

Sioux City has a diverse range of neighborhoods and communities, each with its own unique character and charm. Some of the most popular neighborhoods include:
- Downtown Sioux City: This vibrant neighborhood is home to many of the city's main attractions, including restaurants, bars, and cultural venues.
- Morningside: This charming neighborhood is known for its beautiful parks, historic homes, and small-town feel.
- Northside: This diverse neighborhood is home to a range of cultures and communities, with many restaurants, shops, and community centers.
- Southside: This family-friendly neighborhood is known for its parks, playgrounds, and community events.
Zip Code 51101: Downtown Sioux City
Zip code 51101 is located in the heart of downtown Sioux City and includes many of the city's main attractions. This zip code is home to a range of businesses, restaurants, and cultural venues, including the Sioux City Art Center and the Orpheum Theatre.
Zip Code 51103: Downtown Sioux City
Zip code 51103 is also located in the downtown area and includes many of the city's main attractions. This zip code is home to a range of businesses, restaurants, and cultural venues, including the Hard Rock Hotel & Casino Sioux City.
Zip Code 51102: Morningside
Zip code 51102 is located in the Morningside neighborhood and is known for its beautiful parks, historic homes, and small-town feel. This zip code is home to a range of families and young professionals who value its charming atmosphere and community spirit.
Zip Code 51104: Northside
Zip code 51104 is located in the Northside neighborhood and is home to a diverse range of cultures and communities. This zip code is known for its restaurants, shops, and community centers, and is a popular choice for families and individuals who value its vibrant atmosphere.
Zip Code 51105: Southside
Zip code 51105 is located in the Southside neighborhood and is known for its parks, playgrounds, and community events. This zip code is home to a range of families and young professionals who value its family-friendly atmosphere and community spirit.
Conclusion
Sioux City IA zip codes are an essential part of the city's geography and identity. By understanding the different zip codes and neighborhoods, you can get a better sense of the city's layout and community spirit. Whether you're planning to move to Sioux City or simply want to learn more about the area, we hope this guide has been helpful. If you have any questions or comments, please don't hesitate to reach out.
What is the population of Sioux City, IA?
+As of the 2020 United States Census, the population of Sioux City, IA is approximately 82,000.
What are the main attractions in Sioux City, IA?
+Some of the main attractions in Sioux City, IA include the Sioux City Art Center, the Orpheum Theatre, and the Hard Rock Hotel & Casino Sioux City.
What are the different neighborhoods in Sioux City, IA?
+Some of the different neighborhoods in Sioux City, IA include Downtown Sioux City, Morningside, Northside, and Southside.