Cities and Towns in Delaware County, Iowa
Founded on Dec 21, 1837, Delaware County is one of 99 counties in the state of Iowa. Historically, Delaware County was formed from Dubuque County and Wisconsin Territory. The city of Manchester is the county seat. With FIPS code of 55, Delaware County has a population of 17,510 and area of 578 square miles (1,497 km²).
List of all cities in Delaware County, IA alphabetically
| City/Town | Postal Code | Area Code |
| Colesburg, IA | 52035 | 563 |
| Delaware, IA | 52036 | 563 |
| 52057 | 563 | |
| Delhi, IA | 52223 | 563 |
| Dundee, IA | 52038 | 563 |
| Dutchtown, IA | 52057 | 563 |
| Earlville, IA | 52041 | 563 |
| Greeley, IA | 52050 | 563 |
| Hazel Green, IA | 52223 | 563 |
| Hopkinton, IA | 52237 | 563 |
| Manchester, IA | 52057 | 563 |
| Masonville, IA | 50654 | 563 |
| Oneida, IA | 52057 | 563 |
| Osterdock, IA | 52035 | 563 |
| Robinson, IA | 52330 | 563 |
| Ryan, IA | 52330 | 563 |
| Sand Spring, IA | 52237 | 563 |
| Thorpe, IA | 52057 | 563 |
Major Cities and Towns in Delaware County, Iowa
Manchester
Area, Population, Zip Codes, Latitude and Longitude
- Area: 4.93 square miles
- Population: 5,065 (2020 Census)
- Zip Codes: 52057
- Latitude: 42.4853° N
- Longitude: 91.4560° W
Location and History
Manchester, the county seat of Delaware County, is located in northeastern Iowa along U.S. Highway 20 and near the Maquoketa River. Founded in 1850, the city grew as a transportation and agricultural hub. Manchester’s location along the river and the development of the railroad contributed significantly to its growth in the late 19th century. Today, Manchester is a vibrant small city that balances its agricultural heritage with modern industry, offering a high quality of life for its residents. Its picturesque downtown and access to natural resources make it an attractive destination for both residents and visitors.
Major Schools and Landmarks
Manchester is served by the West Delaware County Community School District, with West Delaware High School as the main educational institution. Notable landmarks include the Delaware County Courthouse, a historic building in the heart of downtown, and the Whitewater Park, one of the few urban whitewater parks in the Midwest, which offers kayaking and tubing. Backbone State Park, located nearby, is Iowa’s oldest state park and provides opportunities for hiking, camping, and fishing. Manchester’s downtown hosts events such as the Rhubarb on the River Festival, attracting visitors for food, crafts, and entertainment.
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 on the western edge of Delaware County, about 20 miles west of Manchester, along U.S. Highway 20. The town was founded in 1851 by James Dyer, who named the town after himself. It developed as a farming community, with its location on the Dubuque and Pacific Railroad aiding in its growth as an agricultural trade center. Dyersville is internationally known as the location of the movie Field of Dreams (1989), filmed at a local farm, which has since become a major tourist attraction. Agriculture remains central to the town’s economy, with corn, soybeans, and dairy farming being key industries.
Major Schools and Landmarks
Dyersville is part of the Western Dubuque Community School District, with Western Dubuque High School located in nearby Epworth. Landmarks include the Basilica of St. Francis Xavier, one of the few minor basilicas in the United States, known for its stunning architecture. The town is also home to the National Farm Toy Museum, which celebrates the history of agricultural toys and models. The Field of Dreams site remains a popular destination, attracting fans and tourists. Each summer, Dyersville hosts the annual Field of Dreams Baseball Game, featuring professional players and drawing crowds from around the country.
Hopkinton
Area, Population, Zip Codes, Latitude and Longitude
- Area: 0.77 square miles
- Population: 621 (2020 Census)
- Zip Codes: 52237
- Latitude: 42.3436° N
- Longitude: 91.2533° W
Location and History
Hopkinton is located in the southern part of Delaware County, along Iowa Highway 38, about 15 miles south of Manchester. Founded in the 1850s, the town developed as an agricultural community, and it was also known for Lenox College, a small private liberal arts institution that operated from 1859 until 1944. The college brought a spirit of education and culture to the town, which still resonates today. Although agriculture remains important to Hopkinton’s economy, the town is also known for its historic architecture, including several buildings from the Lenox College campus that still stand.
Major Schools and Landmarks
Hopkinton is part of the Maquoketa Valley Community School District, with students attending Maquoketa Valley High School in nearby Delhi. Key landmarks include the Lenox College Campus and Museum, which preserves the history of the now-defunct college and its role in the community. The Delaware County Historical Museum, housed on the Lenox College grounds, offers exhibits on local history. Hopkinton also hosts an annual celebration during the town’s Fourth of July festival, which includes a parade, fireworks, and community events. The surrounding countryside provides opportunities for outdoor activities such as hiking and hunting.
Delhi
Area, Population, Zip Codes, Latitude and Longitude
- Area: 1.06 square miles
- Population: 470 (2020 Census)
- Zip Codes: 52223
- Latitude: 42.4244° N
- Longitude: 91.3286° W
Location and History
Delhi is located in central Delaware County, along the Maquoketa River, about 7 miles west of Manchester. The town was founded in the mid-19th century and became an important agricultural community in the region, serving local farmers with grain, livestock, and other agricultural products. Its proximity to the river allowed for water-powered mills in its early days. While agriculture remains a vital part of Delhi’s economy, the nearby Lake Delhi has transformed the town into a popular recreational area, drawing visitors from across the region for boating, fishing, and camping.
Major Schools and Landmarks
Delhi is also part of the Maquoketa Valley Community School District, with Maquoketa Valley High School serving the area. The town’s most prominent landmark is Lake Delhi, a man-made lake that provides opportunities for water sports, fishing, and lakeside recreation. The Delhi City Park offers playgrounds, picnic areas, and a venue for local events, including the annual Delhi Days festival, which features parades, live music, and community activities. The Lake Delhi Dam, rebuilt after a 2010 flood, remains a focal point for the area, supporting both recreation and water management.
Earlville
Area, Population, Zip Codes, Latitude and Longitude
- Area: 0.67 square miles
- Population: 812 (2020 Census)
- Zip Codes: 52041
- Latitude: 42.4836° N
- Longitude: 91.2714° W
Location and History
Earlville is located in northeastern Delaware County, about 12 miles northeast of Manchester, along U.S. Highway 20. Founded in the 1850s, the town was named after Earl Douglass, a local landowner. Earlville grew as an agricultural town, with the arrival of the railroad boosting its role as a local grain and livestock trading center. The town has retained its small-town charm, with agriculture continuing to be a major part of the local economy. Earlville’s community spirit is reflected in its local events and the preservation of its historic downtown.
Major Schools and Landmarks
Earlville is part of the Western Dubuque Community School District, with students attending Western Dubuque High School. One of the town’s notable landmarks is St. Joseph Catholic Church, a historic church known for its beautiful stained-glass windows and architectural significance. Earlville City Park provides recreational facilities such as playgrounds, sports fields, and picnic areas. Each year, the town hosts Earlville Community Days, featuring parades, games, and live entertainment. The town’s location near the Maquoketa River also offers opportunities for fishing, boating, and enjoying the natural beauty of northeastern Iowa.
Edgewood
Area, Population, Zip Codes, Latitude and Longitude
- Area: 1.32 square miles
- Population: 864 (2020 Census)
- Zip Codes: 52042
- Latitude: 42.6433° N
- Longitude: 91.4036° W
Location and History
Edgewood is located in the northern part of Delaware County, on the border with Clayton County, along Iowa Highway 3. The town was founded in the late 19th century and named after its scenic location along the edge of a wooded area. Edgewood developed primarily as an agricultural community, with farming and livestock production as the backbone of its economy. Over the years, Edgewood has maintained its rural charm while becoming known for its strong community involvement and outdoor recreational opportunities.
Major Schools and Landmarks
Edgewood is part of the Edgewood-Colesburg Community School District, with Edgewood-Colesburg High School located in town. Key landmarks include Edgewood City Park, which offers sports facilities, playgrounds, and green spaces for community events. The town’s largest annual event is the Edgewood Pro Rodeo Days, a popular rodeo that attracts visitors from across Iowa for competitions, parades, and live entertainment. The surrounding countryside, with its rolling hills and wooded areas, provides excellent opportunities for outdoor activities such as hiking, fishing, and camping, making Edgewood a great destination for nature enthusiasts.
