Written and Fact-checked by Whereig Editors | Last Updated On: June 10, 2026
Map of Adams County - Adams County is a county located in the U.S. state of Iowa. Adams County Map showing cities, highways, important places and water bodies. Get Where is Adams County located in the map, major cities in Adams county, population, areas, and places of interest.
Adams County Map, Iowa
About Adams 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 Adams County, Iowa
Adams County is a county located in the U.S. state of Iowa. It's county seat is Corning. As per 2020 census, the population of Adams County is 3641 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 424 sq mi (1,098 km2). Adams County was established on -17881.
Adams County Facts
| Continent | North America |
| Country | United States |
| State | Iowa |
| County Seat | Corning |
| Largest City/Town | Corning |
| Established | March 12, 1853 |
| Total Area | 426 sq mi (1,103 sq km) |
| Land Area | 423 sq mi (1,096 sq km) |
| Water Area | 2.1 sq mi (5 sq km) |
| Population | 3,704 (Census 2020) |
| Population Density | 8.8 people per sq mi |
| Time Zone | Central Time Zone (CT) |
| Major Highways | U.S. Highway 34, Iowa Highway 148 |
| Major Rivers | East Nodaway River, Middle Nodaway River |
| Neighboring Counties | Cass, Adair, Union, Taylor, Montgomery |
| Famous For | Rolling hills, French Icarian Village, Johnny Carson heritage, agriculture |
| Top Attractions | French Icarian Village, Lake Icaria, Adams County Speedway, House of History |
| Official Website | Official Website |
About Adams County, Iowa
Adams County is located in the southwestern part of Iowa and was established in 1853. The county seat is Corning, which is also the largest city in the county. The area is known for its scenic rolling hills, fertile farmland, and the East Nodaway River watershed. Adams County is one of Iowa's least populated counties and offers a quiet rural landscape with strong agricultural roots.
Cities and Towns in Adams County, Iowa
| City Name | Type | Population (2020) | Pop. Density | Area | Incorporated | |||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Camp Point | Village | 1,121 | 988.5/sq mi (381.7/km2) | 1.134 sq mi (2.94 km2) | ||||||||||||||||||||||||||||||||||||
| Clayton | Village | 639 | 722.9/sq mi (279.1/km2) | 0.884 sq mi (2.29 km2) | ||||||||||||||||||||||||||||||||||||
| Coatsburg | Village | 150 | 1,136.4/sq mi (438.8/km2) | 0.132 sq mi (0.34 km2) | ||||||||||||||||||||||||||||||||||||
| Columbus | Village | 114 | 520.5/sq mi (201.0/km2) | 0.219 sq mi (0.57 km2) | ||||||||||||||||||||||||||||||||||||
| Golden | Village | 648 | 1,009.3/sq mi (389.7/km2) | 0.642 sq mi (1.66 km2) | ||||||||||||||||||||||||||||||||||||
| La Prairie | Village | 42 | 217.6/sq mi (84.0/km2) | 0.193 sq mi (0.5 km2) | ||||||||||||||||||||||||||||||||||||
| Liberty | Village | 543 | 1,388.7/sq mi (536.2/km2) | 0.391 sq mi (1.01 km2) | ||||||||||||||||||||||||||||||||||||
| Lima | Village | 148 | 1,096.3/sq mi (423.3/km2) | 0.135 sq mi (0.35 km2) | ||||||||||||||||||||||||||||||||||||
| Loraine | Village | 300 | 355.5/sq mi (137.2/km2) | 0.844 sq mi (2.19 km2) | ||||||||||||||||||||||||||||||||||||
| Mendon | Village | 872 | 1,017.5/sq mi (392.9/km2) | 0.857 sq mi (2.22 km2) | ||||||||||||||||||||||||||||||||||||
| Payson | Village | 1,025 | 876.1/sq mi (338.3/km2) | 1.17 sq mi (3.03 km2) | ||||||||||||||||||||||||||||||||||||
| Plainville | Village |
| Golf Course | Location | Latitude & Longitude |
|---|---|---|
| Lake Icaria Golf Course | Corning | 40.9304°N, 94.7830°W |
What are Major Roads and Highways in Adams County
Major highways connect the county to nearby regions and cities.
- U.S. Highway 34 - east-west route connecting Corning with Creston, Red Oak and other communities across southern Iowa
- Iowa Highway 148 - north-south route linking Corning with Bedford and surrounding counties
- County Road N64 - serves local communities and agricultural areas throughout the county
- County Road H12 - provides access to rural townships and recreational destinations
Neighboring Counties of Adams County
- Cass County (northwest)
- Adair County (northeast)
- Union County (east)
- Taylor County (south)
- Montgomery County (west)
What are Top Attractions in Adams County, Iowa
The county offers a mix of natural and cultural attractions.
| Main Sight Name | City | Famous For |
|---|---|---|
| Lake Icaria | Corning | Fishing, boating, camping and outdoor recreation |
| French Icarian Village | Corning | Historic utopian settlement museum |
| Adams County House of History | Corning | Local history exhibits and preserved jail |
| Adams County Speedway | Corning | Popular dirt-track racing venue |
| Johnny Carson Birthplace Area | Corning | Connection to the famous television host |
| Lake Icaria Nature Trails | Corning | Hiking and wildlife viewing |
| Corning Opera House | Corning | Historic performing arts venue |
| Adams County Courthouse | Corning | Historic county landmark |
| Freedom Rock | Corning | Veterans tribute artwork |
| Nodaway Valley Scenic Area | Nodaway | Rural landscapes and river scenery |
Distance from Adams County to Nearby Cities
The following distances are measured by road (driving).
- Corning to Creston (Union County), Iowa - 25 mi (40 km)
- Corning to Red Oak (Montgomery County), Iowa - 30 mi (48 km)
- Corning to Greenfield (Adair County), Iowa - 34 mi (55 km)
- Corning to Bedford (Taylor County), Iowa - 28 mi (45 km)
- Corning to Atlantic (Cass County), Iowa - 42 mi (68 km)
- Corning to Osceola (Clarke County), Iowa - 53 mi (85 km)
- Corning to Winterset (Madison County), Iowa - 73 mi (117 km)
- Corning to Council Bluffs (Pottawattamie County), Iowa - 86 mi (138 km)
- Corning to Des Moines (Polk County), Iowa - 95 mi (153 km)
- Corning to Shenandoah (Page County), Iowa - 37 mi (60 km)
- Corning to Clarinda (Page County), Iowa - 39 mi (63 km)
- Corning to Lamoni (Decatur County), Iowa - 54 mi (87 km)
- Corning to Omaha, Nebraska - 103 mi (166 km)
- Corning to St. Joseph, Missouri - 123 mi (198 km)
- Corning to Kansas City, Missouri - 150 mi (241 km)
Nearest Airports
Nearest airport of Adams is Des Moines International Airport (DSM / KDSM)).
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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