Written and Fact-checked by Whereig Editors | Last Updated On: June 10, 2026
Map of Decatur County - Decatur County is a county located in the U.S. state of Iowa. Decatur County Map showing cities, highways, important places and water bodies. Get Where is Decatur County located in the map, major cities in Decatur county, population, areas, and places of interest.
Decatur County Map, Iowa
About Decatur 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 Decatur County, Iowa
Decatur County is a county located in the U.S. state of Iowa. It's county seat is Leon. As per 2020 census, the population of Decatur County is 7659 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 532 sq mi (1,378 km2). Decatur County was established on -19709.
Decatur County Facts
| Continent | North America |
| Country | United States |
| State | Iowa |
| County Seat | Leon |
| Largest City/Town | Leon |
| Established | January 13, 1846 |
| Total Area | 533 sq mi (1,380 sq km) |
| Land Area | 532 sq mi (1,378 sq km) |
| Water Area | 1 sq mi (2 sq km) |
| Population | 7,645 (Census 2020) |
| Population Density | 14.4 people per sq mi |
| Time Zone | Central Time Zone (CT) |
| Major Highways | Interstate 35, U.S. Highway 69, Iowa Highway 2 |
| Major Rivers | Grand River, Weldon River, Little River |
| Neighboring Counties | Clarke County, Lucas County, Wayne County, Ringgold County, Mercer County (MO), Harrison County (MO) |
| Famous For | Little River Lake Recreation Area, Nine Eagles State Park, Amish communities, southern Iowa countryside |
| Top Attractions | Nine Eagles State Park, Little River Recreation Area, Decatur County Museum, Slip Bluff County Park |
| Official Website | Official Website |
About Decatur County, Iowa
Decatur County is located in south-central Iowa along the Missouri border and was established in 1846. The county seat is Leon, which is also the largest city. The county is known for its rolling hills, scenic lakes, wildlife areas, and outdoor recreation opportunities. Agriculture remains important to the local economy, while parks and conservation areas attract visitors throughout the year.
Cities and Towns in Decatur County, Iowa
| City/Town | Population (Census 2020) | Latitude & Longitude |
|---|---|---|
| Leon (county seat) | 1,822 | 40.7392°N, 93.7474°W |
| Lamoni | 2,324 | 40.6236°N, 93.9347°W |
| Davis City | 173 | 40.6386°N, 93.8127°W |
| Garden Grove | 195 | 40.7878°N, 93.6158°W |
| Grand River | 236 | 40.8158°N, 93.9528°W |
| Van Wert | 177 | 40.8708°N, 93.8213°W |
| Pleasanton | 37 | 40.8086°N, 93.2857°W |
| Kellerton | 315 | 40.8564°N, 94.0557°W |
| Decatur City | 149 | 40.7381°N, 93.7868°W |
| High Point | 29 | 40.7036°N, 93.6029°W |
| Weldon | 125 | 40.8769°N, 93.7357°W |
| Le Roy | 11 | 40.8789°N, 93.5825°W |
Best Golf Courses in Decatur County, Iowa
| Golf Course | Location | Latitude & Longitude |
|---|---|---|
| Leon Golf & Country Club | Leon | 40.7361°N, 93.7665°W |
| Lamoni Golf & Country Club | Lamoni | 40.6207°N, 93.9448°W |
| Little River Recreation Area Golf Course | Leon Area | 40.7228°N, 93.7389°W |
What are Major Roads and Highways in Decatur County
Major highways connect the county to nearby regions and cities.
- Interstate 35 - major north-south interstate connecting Decatur County with Des Moines, Kansas City, and surrounding regions
- U.S. Highway 69 - parallels Interstate 35 and serves Lamoni, Leon, and nearby communities
- Iowa Highway 2 - east-west route connecting Decatur County with southern Iowa counties and regional destinations
Neighboring Counties of Decatur County
- Clarke County (north)
- Lucas County (northeast)
- Wayne County (east)
- Ringgold County (west)
- Mercer County, Missouri (south)
- Harrison County, Missouri (southeast)
What are Top Attractions in Decatur County, Iowa
The county offers a mix of natural and cultural attractions.
| Main Sight Name | City | Famous For |
|---|---|---|
| Nine Eagles State Park | Davis City Area | Camping, hiking, fishing, and wildlife viewing |
| Little River Recreation Area | Leon | Boating, fishing, camping, and lake recreation |
| Decatur County Historical Museum | Leon | County history exhibits and pioneer artifacts |
| Slip Bluff County Park | Leon Area | Scenic overlooks and outdoor recreation |
| Graceland University Campus | Lamoni | Historic university and cultural events |
| Little River Lake | Leon Area | Fishing, boating, and camping opportunities |
| Leon Town Square | Leon | Historic courthouse square and local shops |
| Garden Grove Historic Trail Site | Garden Grove | Mormon Trail history landmark |
| Weldon River Corridor | Countywide | Wildlife habitat and scenic landscapes |
| Lamoni Community Center | Lamoni | Community events and regional gatherings |
| Grand River Wildlife Area | Countywide | Outdoor recreation and hunting opportunities |
| Kellerton Heritage Park | Kellerton | Local history and family recreation |
Distance from Decatur County to Nearby Cities
The following distances are measured by road (driving).
- Leon to Osceola (Clarke County), Iowa - 31 mi (50 km)
- Leon to Chariton (Lucas County), Iowa - 39 mi (63 km)
- Leon to Corydon (Wayne County), Iowa - 28 mi (45 km)
- Leon to Mount Ayr (Ringgold County), Iowa - 32 mi (52 km)
- Leon to Lamoni (Decatur County), Iowa - 12 mi (19 km)
- Leon to Creston (Union County), Iowa - 44 mi (71 km)
- Leon to Indianola (Warren County), Iowa - 63 mi (101 km)
- Leon to Des Moines (Polk County), Iowa - 72 mi (116 km)
- Leon to Ottumwa (Wapello County), Iowa - 79 mi (127 km)
- Leon to Council Bluffs (Pottawattamie County), Iowa - 113 mi (182 km)
- Leon to Bethany, Missouri - 25 mi (40 km)
- Leon to Trenton, Missouri - 58 mi (93 km)
- Leon to St. Joseph, Missouri - 97 mi (156 km)
- Leon to Kansas City, Missouri - 112 mi (180 km)
- Leon to Omaha, Nebraska - 141 mi (227 km)
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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