Written and Fact-checked by Whereig Editors | Last Updated On: June 10, 2026
Map of Dubuque County - Dubuque County is a county located in the U.S. state of Iowa. Dubuque County Map showing cities, highways, important places and water bodies. Get Where is Dubuque County located in the map, major cities in Dubuque county, population, areas, and places of interest.
Dubuque County Map, Iowa
About Dubuque County Map, Iowa: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.
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Map of Dubuque County, Iowa
Dubuque County is a county located in the U.S. state of Iowa. It's county seat is Dubuque. As per 2020 census, the population of Dubuque County is 98718 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 608 sq mi (1,575 km2). Dubuque County was established on -23856.
Dubuque County Facts
| Continent | North America |
| Country | United States |
| State | Iowa |
| County Seat | Dubuque |
| Largest City/Town | Dubuque |
| Established | December 21, 1837 |
| Total Area | 617 sq mi (1,598 sq km) |
| Land Area | 608 sq mi (1,575 sq km) |
| Water Area | 9 sq mi (23 sq km) |
| Population | 99,266 (Census 2020) |
| Population Density | 163.3 people per sq mi |
| Time Zone | Central Time Zone (CT) |
| Major Highways | Interstate 80, U.S. Highway 20, U.S. Highway 52, U.S. Highway 61, U.S. Highway 151, Iowa Highway 3 |
| Major Rivers | Mississippi River, Little Maquoketa River, North Fork Maquoketa River |
| Neighboring Counties | Clayton County, Delaware County, Jones County, Jackson County, Jo Daviess County (IL), Grant County (WI) |
| Famous For | Dubuque riverfront, National Mississippi River Museum & Aquarium, historic architecture, Mississippi River bluffs |
| Top Attractions | National Mississippi River Museum & Aquarium, Fenelon Place Elevator, Eagle Point Park, Mines of Spain Recreation Area |
| Official Website | Official Website |
About Dubuque County, Iowa
Dubuque County is located in northeastern Iowa along the Mississippi River and was established in 1837. The county seat is Dubuque, which is also the largest city. It is one of Iowa's oldest settled areas and serves as a major economic, educational, and cultural center for the tri-state region of Iowa, Illinois, and Wisconsin. The county is known for its dramatic river bluffs, historic downtown districts, and thriving tourism industry.
Cities and Towns in Dubuque County, Iowa
| City/Town | Population (Census 2020) | Latitude & Longitude |
|---|---|---|
| Dubuque (county seat) | 59,667 | 42.5006°N, 90.6646°W |
| Asbury | 5,943 | 42.5142°N, 90.7513°W |
| Dyersville (part) | 4,477 | 42.4842°N, 91.1221°W |
| Peosta | 2,266 | 42.4508°N, 90.8487°W |
| Farley | 1,766 | 42.4419°N, 91.0068°W |
| Epworth | 2,023 | 42.4453°N, 90.9324°W |
| Cascade (part) | 2,159 | 42.2983°N, 91.0146°W |
| Bernard | 102 | 42.3164°N, 90.8371°W |
| Centralia | 134 | 42.4450°N, 90.6838°W |
| Durango | 22 | 42.5570°N, 90.7712°W |
| Dyersville | 4,477 | 42.4842°N, 91.1221°W |
| Holy Cross | 356 | 42.6006°N, 90.9958°W |
| Luxemburg | 245 | 42.6050°N, 91.0747°W |
| New Vienna | 381 | 42.5497°N, 91.1143°W |
| Rickardsville | 182 | 42.5853°N, 90.8760°W |
| Sherrill | 177 | 42.6239°N, 90.7987°W |
| Sageville | 122 | 42.5434°N, 90.7807°W |
| Bankston | 27 | 42.5094°N, 90.9977°W |
| Balltown | 68 | 42.6670°N, 90.8090°W |
| Graf | 79 | 42.5180°N, 90.8729°W |
| Key West | 246 | 42.5490°N, 90.7094°W |
Best Golf Courses in Dubuque County, Iowa
| Golf Course | Location | Latitude & Longitude |
|---|---|---|
| Dubuque Golf & Country Club | Dubuque | 42.5314°N, 90.7428°W |
| Bunker Hill Golf Course | Dubuque | 42.4984°N, 90.7401°W |
| Lacoma Golf Club | East Dubuque Area | 42.5125°N, 90.6142°W |
| Thunder Hills Country Club | Peosta | 42.4558°N, 90.8248°W |
| Sundown Mountain Resort Golf Course | Dubuque Area | 42.4257°N, 90.7862°W |
| The Meadows Golf Club | Asbury | 42.5076°N, 90.7564°W |
| Birchwood Golf Course | Dubuque | 42.5236°N, 90.6768°W |
What are Major Roads and Highways in Dubuque County
Major highways connect the county to nearby regions and cities.
- Interstate 80 - major interstate providing regional access through the southern part of the county area
- U.S. Highway 20 - primary east-west route connecting Dubuque with Waterloo and Illinois
- U.S. Highway 52 - connects Dubuque with Clayton County and the Mississippi River corridor
- U.S. Highway 61 - major north-south route linking Dubuque with Davenport and Minnesota
- U.S. Highway 151 - important corridor connecting Dubuque with Cedar Rapids and Madison, Wisconsin
- Iowa Highway 3 - serves northern communities within the county
Neighboring Counties of Dubuque County
- Clayton County (north)
- Delaware County (west)
- Jones County (southwest)
- Jackson County (south)
- Grant County, Wisconsin (east)
- Jo Daviess County, Illinois (southeast)
What are Top Attractions in Dubuque County, Iowa
The county offers a mix of natural and cultural attractions.
| Main Sight Name | City | Famous For |
|---|---|---|
| National Mississippi River Museum & Aquarium | Dubuque | Interactive river exhibits and aquatic displays |
| Fenelon Place Elevator | Dubuque | World's shortest and steepest scenic railway |
| Mines of Spain Recreation Area | Dubuque | Hiking trails, river bluffs, and wildlife viewing |
| Eagle Point Park | Dubuque | Panoramic Mississippi River views |
| Diamond Jo Casino | Dubuque | Gaming, dining, and entertainment |
| Dubuque Arboretum & Botanical Gardens | Dubuque | Beautiful gardens and educational exhibits |
| Sundown Mountain Resort | Dubuque | Skiing and snowboarding destination |
| Shot Tower Historic State Preserve | Dubuque | Historic landmark overlooking the Mississippi |
| Mathias Ham Historic Site | Dubuque | Historic home and museum |
| Swiss Valley Nature Preserve | Peosta | Hiking, streams, and nature programs |
| Riverwalk | Dubuque | Scenic waterfront recreation area |
| Field of Dreams Movie Site | Dyersville | Famous baseball movie filming location |
| Basilica of St. Francis Xavier | Dyersville | Historic Catholic church and architecture |
| Heritage Trail | Countywide | Popular hiking and biking route |
Distance from Dubuque County to Nearby Cities
The following distances are measured by road (driving).
- Dubuque to Dyersville (Dubuque County), Iowa - 26 mi (42 km)
- Dubuque to Manchester (Delaware County), Iowa - 48 mi (77 km)
- Dubuque to Maquoketa (Jackson County), Iowa - 30 mi (48 km)
- Dubuque to Elkader (Clayton County), Iowa - 43 mi (69 km)
- Dubuque to Galena (Jo Daviess County), Illinois - 17 mi (27 km)
- Dubuque to Platteville (Grant County), Wisconsin - 21 mi (34 km)
- Dubuque to Cedar Rapids (Linn County), Iowa - 72 mi (116 km)
- Dubuque to Waterloo (Black Hawk County), Iowa - 89 mi (143 km)
- Dubuque to Davenport (Scott County), Iowa - 72 mi (116 km)
- Dubuque to Madison (Dane County), Wisconsin - 90 mi (145 km)
- Dubuque to Rockford (Winnebago County), Illinois - 89 mi (143 km)
- Dubuque to Iowa City (Johnson County), Iowa - 96 mi (154 km)
- Dubuque to Milwaukee (Milwaukee County), Wisconsin - 176 mi (283 km)
- Dubuque to Chicago (Cook County), Illinois - 183 mi (295 km)
- Dubuque to Des Moines (Polk County), Iowa - 184 mi (296 km)
Nearest Airports
Nearest airport of Dubuque is Dubuque Regional Airport.
References
- QuickFacts - U.S. Census Bureau
- United States Census Bureau
- United States Geological Survey (USGS)
- National Geodetic Survey
- Official County Website
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