Cities and Towns in Dubuque County, Iowa

Founded on Sep 6, 1834, Dubuque County is one of 99 counties in the state of Iowa. Historically, Dubuque County was formed from Michigan Territory and Wisconsin Territory. The city of Dubuque is the county seat. With FIPS code of 61, Dubuque County has a population of 98,718 and area of 608 square miles (1,575 km²).

List of all cities in Dubuque County, IA alphabetically

City/Town Postal Code Area Code
Asbury, IA 52002 563
Bankston, IA 52045 563
Bernard, IA 52032 563
Cascade, IA 52033 563
Center Grove, IA 52001 563
Centralia, IA 52068 563
Dubuque, IA 52001 563
52002 563
52003 563
52004 563
52099 563
52039 563
Dyersville, IA 52040 563
Eagle Point, IA 52001 563
Epworth, IA 52045 563
Farley, IA 52046 563
Fillmore, IA 52033 563
Holy Cross, IA 52053 563
Julien, IA 52001 563
Key West, IA 52001 563
Luxemburg, IA 52056 563
Massey, IA 52001 563
McGraw Hill Companies, IA 52099 563
New Vienna, IA 52065 563
Otter Creek, IA 52079 563
Peosta, IA 52068 563
Petersburg, IA 52040 563
Rockdale, IA 52001 563
Sageville, IA 52001 563
Shawondasse, IA 52001 563
Sherrill, IA 52073 563
Worthington, IA 52078 563
Zwingle, IA 52079 563

Major Cities and Towns in Dubuque County, Iowa

Dubuque

Area, Population, Zip Codes, Latitude and Longitude

  • Area: 31.22 square miles
  • Population: 59,667 (2020 Census)
  • Zip Codes: 52001, 52002, 52003
  • Latitude: 42.5006° N
  • Longitude: 90.6646° W

Location and History

Dubuque, the county seat of Dubuque County, is located on the western banks of the Mississippi River, serving as a key city in northeastern Iowa. It was founded in 1833 by Julien Dubuque, a French-Canadian fur trader and lead miner, making it one of the oldest settlements in Iowa. Dubuque grew as a center for lead mining, and later, manufacturing, transportation, and commerce. Its strategic location on the river allowed it to become a vital port town, contributing to its early prosperity. Today, Dubuque blends its rich historical heritage with modern industry, education, and tourism, earning recognition for its cultural institutions and scenic riverfront.

Major Schools and Landmarks

Dubuque is home to several educational institutions, including the Dubuque Community School District and higher education options like the University of Dubuque and Loras College. The city boasts numerous landmarks, including the historic Shot Tower, the Dubuque Arboretum, and the National Mississippi River Museum and Aquarium, which offers insight into the region’s river history. Another highlight is the Fenelon Place Elevator, the world’s shortest, steepest railway, offering panoramic views of the Mississippi. Dubuque also hosts annual events like the Dubuque County Fair and America’s River Festival, which showcase the city’s community spirit and cultural vibrancy.

Dyersville

Area, Population, Zip Codes, Latitude and Longitude

  • Area: 5.67 square miles
  • Population: 4,477 (2020 Census)
  • Zip Codes: 52040
  • Latitude: 42.4847° N
  • Longitude: 91.1213° W

Location and History

Dyersville is located in the western part of Dubuque County, about 25 miles west of Dubuque, along U.S. Highway 20. The town was founded in 1851 by James Dyer, after whom the town is named. Dyersville developed as an agricultural hub and railroad town, with its fertile surroundings supporting farming and livestock. The town is best known for its connection to the film Field of Dreams (1989), which was filmed at a local farm, turning it into a major tourist destination. Agriculture continues to play a central role in Dyersville’s economy, but tourism, manufacturing, and commerce have also expanded.

Major Schools and Landmarks

Dyersville is part of the Western Dubuque Community School District, with students attending Western Dubuque High School in nearby Epworth. The most famous landmark is the Field of Dreams movie site, which attracts thousands of visitors every year. Other key landmarks include the Basilica of St. Francis Xavier, one of the few minor basilicas in the U.S., and the National Farm Toy Museum, which showcases the town’s agricultural history. Each year, Dyersville hosts the Field of Dreams Baseball Game, bringing in Major League Baseball players and fans for a special game on the iconic diamond.

Asbury

Area, Population, Zip Codes, Latitude and Longitude

  • Area: 2.96 square miles
  • Population: 5,874 (2020 Census)
  • Zip Codes: 52002
  • Latitude: 42.5158° N
  • Longitude: 90.7685° W

Location and History

Asbury is a suburban city located just west of Dubuque. Founded in the 1830s, it remained a small farming community for most of its history. However, in the late 20th century, Asbury experienced rapid growth due to its proximity to Dubuque, transforming it into a suburban residential area. With access to the amenities of a larger city, Asbury provides a peaceful environment for families and professionals. It has become one of Iowa’s fastest-growing cities, with new housing developments, parks, and community centers emerging in recent decades.

Major Schools and Landmarks

Asbury is served by the Dubuque Community School District, with residents attending nearby Dubuque schools such as Hempstead High School. Key landmarks in Asbury include Asbury Park, which offers sports fields, playgrounds, and walking trails, making it a focal point for outdoor activities. The Asbury Branch Library is another important community resource, offering educational programs and events. The Asbury Music in the Park series, held during the summer, draws residents for live performances and family-friendly entertainment. Asbury’s rapid growth has made it an attractive suburban area for families seeking a quiet lifestyle near Dubuque.

Peosta

Area, Population, Zip Codes, Latitude and Longitude

  • Area: 3.77 square miles
  • Population: 1,908 (2020 Census)
  • Zip Codes: 52068
  • Latitude: 42.4497° N
  • Longitude: 90.8406° W

Location and History

Peosta is located about 10 miles west of Dubuque along U.S. Highway 20. Originally a small farming community, Peosta has seen significant growth in recent decades, driven by its proximity to Dubuque and its appeal as a suburban residential area. The town was founded in the mid-19th century and has remained small until recent years, when new residential and commercial developments began to transform the area. Peosta is now a growing city that retains its rural charm while benefiting from the economic opportunities of nearby Dubuque.

Major Schools and Landmarks

Peosta is part of the Western Dubuque Community School District, with students attending Peosta Elementary School and nearby high schools such as Western Dubuque High School. The town is also home to Northeast Iowa Community College’s Peosta campus, providing higher education and workforce training to the region. Key landmarks include the Peosta Community Centre, which offers fitness facilities, sports courts, and event spaces. Each summer, the town hosts Peosta Days, a celebration that features parades, games, and family activities. The town’s proximity to Dubuque provides residents with access to additional cultural and recreational amenities while maintaining a peaceful, rural atmosphere.

Farley

Area, Population, Zip Codes, Latitude and Longitude

  • Area: 1.99 square miles
  • Population: 1,766 (2020 Census)
  • Zip Codes: 52046
  • Latitude: 42.4439° N
  • Longitude: 91.0096° W

Location and History

Farley is located in western Dubuque County, along U.S. Highway 20, about 15 miles west of Dubuque. The town was established in the 1850s and named after an early settler, James Farley. Farley developed as an agricultural and railroad town, with its economy largely based on farming and transportation. Over time, Farley has grown into a small but vibrant community, maintaining its agricultural heritage while benefiting from its proximity to Dubuque and the surrounding region’s economic opportunities.

Major Schools and Landmarks

Farley is part of the Western Dubuque Community School District, with students attending Drexler Middle School and Western Dubuque High School. The town’s major landmarks include Farley Memorial Hall, which hosts community events and activities, and the Farley Speedway, a half-mile dirt track that hosts car races and attracts motorsport fans from across the region. The annual Farley Labor Day Celebration features parades, races, and community gatherings. The town’s peaceful setting and community spirit make it an ideal place for residents who value rural living with access to modern amenities.

Epworth

Area, Population, Zip Codes, Latitude and Longitude

  • Area: 2.12 square miles
  • Population: 2,023 (2020 Census)
  • Zip Codes: 52045
  • Latitude: 42.4442° N
  • Longitude: 90.9348° W

Location and History

Epworth is located in western Dubuque County, about 12 miles west of Dubuque, along U.S. Highway 20. Founded in 1855, the town was named after Epworth, England, the birthplace of John Wesley, the founder of Methodism. Epworth grew as an agricultural town, with farming being the primary economic activity for much of its history. In recent years, the town has seen growth due to its proximity to Dubuque, while still maintaining its rural charm and strong community identity.

Major Schools and Landmarks

Epworth is home to Western Dubuque High School, one of the largest schools in the Western Dubuque Community School District. The town’s landmarks include Divine Word College, a Roman Catholic seminary that serves as a center for theological education and missionary work. The Epworth Aquatic Center and Centennial Park offer recreational amenities for families, including a swimming pool, sports fields, and playgrounds. The annual Epworth Town and Country Days festival brings the community together with parades, games, and family-friendly activities, reflecting the town’s strong sense of community and rural roots.

Cascade

Area, Population, Zip Codes, Latitude and Longitude

  • Area: 1.95 square miles
  • Population: 2,386 (2020 Census)
  • Zip Codes: 52033
  • Latitude: 42.3003° N
  • Longitude: 91.0136° W

Location and History

Cascade is located in southwestern Dubuque County, along the North Fork of the Maquoketa River, near the border with Jones County. The town was founded in the 1840s and named after the river’s cascading waters. Cascade developed as a milling town, with the river providing power for early industries. Over time, Cascade grew as an agricultural center, with its economy expanding to include manufacturing and services. Today, Cascade is a thriving small town known for its historic downtown and strong community ties.

Major Schools and Landmarks

Cascade is part of the Western Dubuque Community School District, with Cascade Junior-Senior High School serving the community. The town is known for its historic downtown, which includes the Cascade Historic District, a collection of well-preserved 19th-century buildings. Key landmarks include Riverview Park, which offers picnic areas, walking trails, and access to the Maquoketa River for fishing and kayaking. The town hosts the annual Cascade Hometown Days festival, featuring parades, games, and live music. Cascade’s location near the river and scenic landscapes makes it a popular spot for outdoor enthusiasts.