Written and Fact-checked by Whereig Editors | Last Updated On: June 10, 2026
Map of Calhoun County - Calhoun County is a county located in the U.S. state of Iowa. Calhoun County Map showing cities, highways, important places and water bodies. Get Where is Calhoun County located in the map, major cities in Calhoun county, population, areas, and places of interest.
Calhoun County Map, Iowa
About Calhoun 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 Calhoun County, Iowa
Calhoun County is a county located in the U.S. state of Iowa. It's county seat is Rockwell City. As per 2020 census, the population of Calhoun County is 9915 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 570 sq mi (1,476 km2). Calhoun County was established on -17881.
Calhoun County Facts
| Continent | North America |
| Country | United States |
| State | Iowa |
| County Seat | Rockwell City |
| Largest City/Town | Rockwell City |
| Established | January 15, 1851 |
| Total Area | 572 sq mi (1,481 sq km) |
| Land Area | 570 sq mi (1,476 sq km) |
| Water Area | 2 sq mi (5 sq km) |
| Population | 9,927 (Census 2020) |
| Population Density | 17.4 people per sq mi |
| Time Zone | Central Time Zone (CT) |
| Major Highways | U.S. Highway 20, Iowa Highway 4, Iowa Highway 7, Iowa Highway 175 |
| Major Rivers | North Raccoon River, Cedar Creek |
| Neighboring Counties | Pocahontas County, Webster County, Greene County, Carroll County, Sac County |
| Famous For | Twin Lakes, agriculture, Manson Impact Crater region, Pomeroy tornado history, rural recreation |
| Top Attractions | Twin Lakes State Park, Manson Impact Crater, Freedom Rock, Calhoun County Courthouse |
| Official Website | Official Website |
About Calhoun County, Iowa
Calhoun County is located in northwestern Iowa and was established in 1851. The county seat is Rockwell City, which is also the largest city. The county is situated within the Des Moines Lobe region, known for its gently rolling glacial landscape, fertile farmland, and numerous natural lakes. Agriculture remains the foundation of the local economy, while Twin Lakes provides one of the county's most popular recreation destinations.
Cities and Towns in Calhoun County, Iowa
| City Name | Type | Population (2020) | Pop. Density | Area | Incorporated |
|---|---|---|---|---|---|
| Batchtown | Village | 170 | 91.3/sq mi (35.2/km2) | 1.863 sq mi (4.83 km2) | |
| Brussels | Village | 116 | 207.9/sq mi (80.3/km2) | 0.558 sq mi (1.45 km2) | |
| Hamburg | Village | 99 | 189.7/sq mi (73.2/km2) | 0.522 sq mi (1.35 km2) | |
| Hardin | Village | 801 | 376.4/sq mi (145.3/km2) | 2.128 sq mi (5.51 km2) | |
| Kampsville | Village | 310 | 303.9/sq mi (117.3/km2) | 1.02 sq mi (2.64 km2) | |
| Jolley | 0.11 sq mi (0.28 km2) | November 16, 1895 | |||
| Knierim | 1.01 sq mi (2.6 km2) | June 13, 1901 | |||
| Lake City | 4.81 sq mi (12.5 km2) | March 14, 1887 | |||
| Lohrville | 2.14 sq mi (5.5 km2) | December 14, 1882 | |||
| Manson | 3.18 sq mi (8.2 km2) | May 5, 1877 | |||
| Pomeroy | 2.04 sq mi (5.3 km2) | April 22, 1880 | |||
| Rinard | 1 sq mi (2.6 km2) | December 29, 1914 | |||
| Rockwell City | 4.21 sq mi (10.9 km2) | May 2, 1882 | |||
| Somers | 0.35 sq mi (0.91 km2) | April 26, 1902 | |||
| Yetter | 0.13 sq mi (0.34 km2) | January 11, 1904 |
Best Golf Courses in Calhoun County, Iowa
| Golf Course | Location | Latitude & Longitude |
|---|---|---|
| Lake City Country Club | Lake City | 42.2664°N, 94.7325°W |
| Twin Lakes Golf Club | Twin Lakes | 42.3078°N, 94.7002°W |
| Manson Golf & Country Club | Manson | 42.5325°N, 94.5451°W |
| Lake Creek Country Club | Rockwell City | 42.4048°N, 94.6450°W |
What are Major Roads and Highways in Calhoun County
Major highways connect the county to nearby regions and cities.
- U.S. Highway 20 - major east-west corridor linking the county with Fort Dodge, Sioux City and surrounding communities
- Iowa Highway 4 - north-south route connecting Manson, Rockwell City and communities across western Iowa
- Iowa Highway 7 - serves northern Calhoun County and connects Manson with neighboring counties
- Iowa Highway 175 - crosses the southern portion of the county and links Lake City with regional communities
Neighboring Counties of Calhoun County
- Pocahontas County (north)
- Webster County (east)
- Greene County (southeast)
- Carroll County (south)
- Sac County (west)
What are Top Attractions in Calhoun County, Iowa
The county offers a mix of natural and cultural attractions.
| Main Sight Name | City | Famous For |
|---|---|---|
| Twin Lakes State Park | Twin Lakes | Boating, fishing, swimming and camping |
| North Twin Lake | Twin Lakes | Popular fishing and water recreation destination |
| South Twin Lake | Twin Lakes | Boating, kayaking and scenic lake views |
| Manson Impact Crater Geological Site | Manson | One of the largest meteor impact structures in North America |
| Calhoun County Courthouse | Rockwell City | Historic 1914 courthouse and county landmark |
| Freedom Rock | Rockwell City | Veterans memorial artwork |
| Rainbow Bridge | Rockwell City | Historic bridge on old Highway 20 |
| Lake City Town Square | Lake City | Historic downtown district and community events |
| Pomeroy Historical Museum | Pomeroy | Local history and tornado heritage exhibits |
| Manson Museum | Manson | Community history and geological exhibits |
| Lohrville City Park | Lohrville | Outdoor recreation and community activities |
| North Raccoon River Corridor | Countywide | Wildlife viewing, fishing and natural scenery |
Distance from Calhoun County to Nearby Cities
The following distances are measured by road (driving).
- Rockwell City to Fort Dodge (Webster County), Iowa - 29 mi (47 km)
- Rockwell City to Pocahontas (Pocahontas County), Iowa - 24 mi (39 km)
- Rockwell City to Sac City (Sac County), Iowa - 22 mi (35 km)
- Rockwell City to Carroll (Carroll County), Iowa - 36 mi (58 km)
- Rockwell City to Jefferson (Greene County), Iowa - 39 mi (63 km)
- Rockwell City to Storm Lake (Buena Vista County), Iowa - 38 mi (61 km)
- Rockwell City to Webster City (Hamilton County), Iowa - 42 mi (68 km)
- Rockwell City to Humboldt (Humboldt County), Iowa - 28 mi (45 km)
- Rockwell City to Denison (Crawford County), Iowa - 57 mi (92 km)
- Rockwell City to Ames (Story County), Iowa - 73 mi (117 km)
- Rockwell City to Mason City (Cerro Gordo County), Iowa - 76 mi (122 km)
- Rockwell City to Sioux City (Woodbury County), Iowa - 96 mi (154 km)
- Rockwell City to Des Moines (Polk County), Iowa - 102 mi (164 km)
- Rockwell City to Council Bluffs (Pottawattamie County), Iowa - 118 mi (190 km)
- Rockwell City to Omaha, Nebraska - 126 mi (203 km)
Nearest Airports
Nearest airport of Calhoun is Peterson 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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