Monona County, County in western Iowa, United States.
Monona County is located in western Iowa and covers a large rural area spanning both land and water. Interstate 29 runs through the western section of the county near the Missouri River border.
The county was established in 1851 and developed Onawa as its administrative center over time. The area grew from early pioneer settlements into an organized governmental jurisdiction.
The Lewis and Clark State Park marks where the explorers camped during their 1804 journey through newly acquired territory. Visitors can walk through the park and connect with the story of this significant expedition.
The county seat of Onawa serves as the main hub for government services and information. The area is rural with scattered towns, so plan for longer travel times between destinations.
The area gained a reputation for accurately reflecting national voting trends over many decades. Political observers watched the voting patterns here as an indicator of broader shifts across the country.
Location: Iowa
Inception: 1851
Capital city: Onawa
Elevation above the sea: 386 m
Shares border with: Woodbury County, Harrison County, Ida County, Crawford County, Burt County, Thurston County
GPS coordinates: 42.04722,-95.96861
Latest update: December 10, 2025 15:58
Loess Hills
27.5 km
Dr. Susan LaFlesche Picotte Memorial Hospital
45 km
Lewis and Clark State Park
16.5 km
Trinity Memorial Episcopal Church
19.7 km
St. John's German Evangelical Lutheran Church
42.9 km
Burt County Missouri River Bridge
23 km
Ingemann Danish Lutheran Church
12.6 km
Susan La Flesche Picotte House
44.7 km
Swedish Heritage Center
47.2 km
Onawa IOOF Opera House
10.8 km
Onawa Public Library
10.6 km
H.S.M. Spielman House
36.8 km
South Jordan Cemetery
10.2 km
Woodbine Normal and Grade School
40.7 km
I.O.O.F. Hall
37.2 km
Newell A. Whiting House
11 km
Siebels' Department Store-Boyer Valley Bank
41 km
Woodbine Public Library
40.9 km
Woodbine Lincoln Highway and Brick Street Historic District
41 km
Woodbine Savings Bank
41 km
E.C. Houston House
36.2 km
Tekamah Carnegie Library
36.7 km
Mann School No. 2
13.1 km
Burt County Courthouse
36.5 km
Burt County State Bank
36.7 km
Monona County Courthouse
10.4 km
Tekamah City Bridge
36.7 km
North Omaha Creek Bridge
47.3 kmVisited this place? Tap the stars to rate it and share your experience / photos with the community! Try now! You can cancel it anytime.
Discover hidden gems everywhere you go!
From secret cafés to breathtaking viewpoints, skip the crowded tourist spots and find places that match your style. Our app makes it easy with voice search, smart filtering, route optimization, and insider tips from travelers worldwide. Download now for the complete mobile experience.
A unique approach to discovering new places❞
— Le Figaro
All the places worth exploring❞
— France Info
A tailor-made excursion in just a few clicks❞
— 20 Minutes