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Duncan Iowa Map

Explore Duncan, Iowa, with this interactive street and satellite map.

Interactive Map of Duncan, Iowa

CityDuncan
StateIowa (IA)
CountyHancock County
CountryUnited States of America
TimezoneCentral Time (America/Chicago)
Latitude43.104683
Longitude-93.711327
Population57
Density28.0 /km²
IncorporatedN/A
ZIP Code50423
Area Code515
County SeatGarner
School DistrictGarner-Hayfield-Ventura Community School District

About Duncan, Iowa

Duncan is a locality in Hancock County, Iowa, United States. It is a small community with a population of 57. The population density is 28.0 people per km². Duncan is located at 43.1047°N, 93.7113°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 50423.

Duncan rises from the expansive, tilled flatness of the Iowa plains, where the horizon stretches wide and unencumbered under a vast, pale sky. It lies 26.0 miles west of Mason City, IA (from Mason City, IA: bearing 263°T), and is situated 5.5 miles west of Garner. The land here is a study in geometric precision, defined by the seasonal shifting of corn and soybean stalks that ripple like a verdant sea when the prairie winds gather strength. Only a mile away, the quiet waters of Eagle Lake reflect the changing light of the day, offering a stillness that complements the nearby Eagle Lake (Hancock) Wetland Complex. The earth itself feels ancient and heavy with a dark, fertile richness, sustaining a landscape that remains largely untouched by the verticality of mountains, though the distant Pilot Knob stands as a faint, singular reminder of the terrain’s subtle variations thirteen miles to the east.

Agriculture provides the primary pulse of Duncan, as the rhythms of planting and harvest dictate the pace of life for those who work the deep, productive soil. Settlers of European descent brought with them a tradition of disciplined husbandry, and today that heritage persists in the quiet, methodical care given to the fields and the modest, sturdy architecture of the homesteads. Two miles away, the West Branch Iowa River traces its course through the valley, serving as a silent, enduring artery for the local ecosystem. Life in Duncan maintains a modest, literate civility, where the evening shadows lengthen across the gravel roads and the hum of machinery fades into the crisp, cooling air, leaving behind a profound sense of isolation and focus that defines this corner of the state.

Nearby Outdoor Places

  • Eagle Lake (Hancock) Wetland Complex (State Conservation Area) — 0.7 mi, 310° NW
  • Eagle Lake Nature Area (Local Conservation Area) — 0.9 mi, 272° W
  • Eagle Lake Heritage Prairie (Local Conservation Area) — 1.0 mi, 180° S
  • Eagle Lake State Park (Local Park) — 1.8 mi, 310° NW
  • Hancock County Waterfowl Production Area (Resource Management Area) — 2.9 mi, 029° NE
  • Eagle Lake Waterfowl Production Area (State Resource Management Area) — 2.9 mi, 029° NE
  • Eagle Flats Waterfowl Production Area (State Resource Management Area) — 3.6 mi, 349° N
  • Eagle Flats Wildlife Management Area (State Conservation Area) — 3.7 mi, 342° N
  • Armstrong House Museum (Museum) — 4.4 mi, 262° W
  • Hobo Museum (Museum) — 4.6 mi, 263° W
  • Britt Veterans Memorial/ Freedom Rock (Monument) — 4.6 mi, 262° W
  • World's Largest Bullhead (Monument) — 9.2 mi, 335° NW
  • Odvin Hagen Music Center (Arts Centre) — 11.5 mi, 018° N
  • Mansion Museum (Museum) — 11.7 mi, 018° N
  • Liberty School Museum (Museum) — 12.2 mi, 201° S
  • Pilot Knob State Park (State Park) — 12.2 mi, 036° NE
  • Holtan Farm Museum (Museum) — 13.3 mi, 014° N
  • Clear Lake State Park (State Park) — 15.7 mi, 089° E
  • Three Stars Monument (Monument) — 16.3 mi, 081° E
  • Buddy Holly Crash Site (Public Artwork) — 18.4 mi, 064° NE
  • Northern Tallgrass Prairie National Wildlife Refuge (National Wildlife Refuge) — 19.9 mi, 254° W · 12k acres
  • Union Slough National Wildlife Refuge (National Wildlife Refuge) — 23.0 mi, 299° NW · 5,668 acres
  • Mason City Communit Theatre (Theatre) — 26.0 mi, 083° E
  • Rancho Deluxe (Attraction) — 26.4 mi, 082° E
  • Winnebago Trail (Nature Reserve) — 26.5 mi, 080° E
  • Brewery (Historic Ruins) — 26.8 mi, 078° E
  • Lone Rock (Attraction) — 32.1 mi, 285° W
  • Mall Cinema 7 Theatre (Cinema) — 43.7 mi, 024° NE
  • Watts Theater (Cinema) — 47.0 mi, 074° E
  • Hawkeye Community Theater (Theatre) — 47.4 mi, 210° SW

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About This Duncan Map Page

This page provides an embedded street and satellite map of Duncan, Iowa. Coordinates: 43.104683, -93.711327. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.

Detailed location data for Duncan includes the ZIP code (50423), telephone area code (515), county seat of Hancock County (Garner), and school district assignment (Garner-Hayfield-Ventura Community School District).

Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.

Page generatedAugust 2026
Location dataSimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data
Wikipedia validationArticle content matched to USGS GNIS coordinates via Wikipedia geosearch API.