Lyon County Map, Iowa

Written and Fact-checked by Whereig Editors | Last Updated On: June 10, 2026

Map of Lyon County - Lyon County is a county located in the U.S. state of Iowa. Lyon County Map showing cities, highways, important places and water bodies. Get Where is Lyon County located in the map, major cities in Lyon county, population, areas, and places of interest.

About Lyon 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 Lyon County, Iowa

Lyon County is a county located in the U.S. state of Iowa. It's county seat is Rock Rapids. As per 2020 census, the population of Lyon County is 12011 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 588 sq mi (1,523 km2). Lyon County was established on -17881.

Lyon County Facts

Continent	North America
Country	United States
State	Iowa
County Seat	Rock Rapids
Largest City/Town	Rock Rapids
Established	January 15, 1851
Total Area	588 sq mi (1,523 sq km)
Land Area	588 sq mi (1,523 sq km)
Water Area	0.1 sq mi (0.3 sq km)
Population	11,934 (Census 2020)
Population Density	20.3 people per sq mi
Time Zone	Central Time Zone (CT)
Major Highways	U.S. Highway 18, U.S. Highway 75, Iowa Highway 9, Iowa Highway 182
Major Rivers	Big Sioux River, Rock River, Little Rock River
Neighboring Counties	Rock County (MN), Nobles County (MN), Osceola County, Sioux County, Lincoln County (SD), Minnehaha County (SD)
Famous For	Gitchie Manitou State Preserve, Blood Run National Historic Landmark, agriculture, Big Sioux River
Top Attractions	Gitchie Manitou State Preserve, Blood Run Historic Site, Lake Pahoja, Rock Rapids Historic District
Official Website	Official Website

About Lyon County, Iowa

Lyon County is located in the northwestern corner of Iowa and was established in 1851. The county seat and largest city is Rock Rapids. The county borders both Minnesota and South Dakota and is known for its rich agricultural land, scenic river valleys, historic landmarks, and outdoor recreation opportunities. The Big Sioux River forms much of the county's western boundary and contributes to its natural beauty. :contentReference[oaicite:0]{index=0}

Cities and Towns in Lyon County, Iowa

City/Town	Population (Census 2020)	Latitude & Longitude
Rock Rapids (county seat)	2,611	43.4317°N, 96.1756°W
George	1,077	43.3442°N, 96.0025°W
Inwood	928	43.3074°N, 96.4314°W
Larchwood	926	43.4527°N, 96.4348°W
Doon	619	43.2792°N, 96.2336°W
Little Rock	439	43.4439°N, 95.8828°W
Lester	296	43.4319°N, 96.3334°W
Alvord	206	43.3434°N, 96.3014°W

Best Golf Courses in Lyon County, Iowa

Golf Course	Location	Latitude & Longitude
Rock River Golf & Country Club	Rock Rapids	43.4282°N, 96.1821°W
Meadow Acres Golf Course	Larchwood	43.4548°N, 96.4342°W
Silver Hills Golf Course	George	43.3445°N, 96.0104°W

What are Major Roads and Highways in Lyon County

Major highways connect the county to nearby regions and cities.

U.S. Highway 18 - east-west route connecting Rock Rapids with Spencer and South Dakota communities
U.S. Highway 75 - major north-south corridor linking Sioux City, Rock Rapids, and Minnesota
Iowa Highway 9 - northern Iowa route connecting George and surrounding areas
Iowa Highway 182 - local connector serving northwestern Lyon County

Neighboring Counties of Lyon County

Rock County, Minnesota (north)
Nobles County, Minnesota (northeast)
Osceola County (east)
Sioux County (south)
Lincoln County, South Dakota (west)
Minnehaha County, South Dakota (northwest)

What are Top Attractions in Lyon County, Iowa

The county offers a mix of natural and cultural attractions.

Main Sight Name	City	Famous For
Gitchie Manitou State Preserve	Larchwood	Ancient quartzite outcrops and hiking trails
Blood Run National Historic Landmark	Larchwood	Important Native American archaeological site
Lake Pahoja Recreation Area	Rock Rapids	Fishing, boating, camping, and swimming
Lyon County Historical Museum	Rock Rapids	County history and pioneer exhibits
Island Park	Rock Rapids	Scenic riverside recreation area
Rock Rapids Historic Downtown	Rock Rapids	Historic architecture and local shops
Forster Wildlife Area	Near George	Birdwatching and wildlife habitat
Little Rock River Valley	Little Rock	Scenic landscapes and outdoor recreation
Alvord Community Park	Alvord	Family recreation and local events
Doon City Park	Doon	Community activities and green space
Grand Falls Area	Near Larchwood	Natural waterfall on the Big Sioux River
Big Sioux River Corridor	Countywide	Fishing, paddling, and scenic views

Distance from Lyon County to Nearby Cities

The following distances are measured by road (driving).

Rock Rapids to George (Lyon County), Iowa - 9 mi (14 km)
Rock Rapids to Larchwood (Lyon County), Iowa - 16 mi (26 km)
Rock Rapids to Inwood (Lyon County), Iowa - 18 mi (29 km)
Rock Rapids to Little Rock (Lyon County), Iowa - 15 mi (24 km)
Rock Rapids to Sibley (Osceola County), Iowa - 19 mi (31 km)
Rock Rapids to Orange City (Sioux County), Iowa - 39 mi (63 km)
Rock Rapids to Sioux Center (Sioux County), Iowa - 32 mi (51 km)
Rock Rapids to Worthington (Nobles County), Minnesota - 33 mi (53 km)
Rock Rapids to Luverne (Rock County), Minnesota - 19 mi (31 km)
Rock Rapids to Sioux Falls, South Dakota - 36 mi (58 km)
Rock Rapids to Spencer (Clay County), Iowa - 48 mi (77 km)
Rock Rapids to Brookings, South Dakota - 70 mi (113 km)
Rock Rapids to Sioux City (Woodbury County), Iowa - 89 mi (143 km)
Rock Rapids to Storm Lake (Buena Vista County), Iowa - 85 mi (137 km)
Rock Rapids to Des Moines (Polk County), Iowa - 225 mi (362 km)

Nearest Airports

Nearest airport of Lyon is Sioux Falls Regional Airport (FSD / KFSD).

References

Explore Map of Iowa Counties

US Counties Map by State

Map of Lyon County, Iowa