Duncan, IA · Census-designated place

Duncan, Iowa houses and real estate market data.

Houses in Duncan, IA (Hancock County) — market data for Duncan houses and the whole local market.

Census-designated place · Census GEOID 1922710

I'm buying in Duncan → I'm selling / what's my home worth? →
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Duncan, IA is a Census-designated place in Hancock County, Iowa — this guide covers houses in Duncan and the whole local market: resale homes, condos, land, and new construction.

Info from government sites and builders may have provided source info.

Open map pin ↗ · 43.10822, -93.702135

At a glance

Duncan market snapshot

Place type

Census-designated place

County

Hancock County

Map pin

43.10822, -93.702135

Census GEOID

1922710

Land area

0.79 sq mi

Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About

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Why Duncan

What makes Duncan different

Census-designated place

The U.S. Census Bureau lists Duncan as a Census-designated place in Hancock County, Iowa — a settled community that is not an incorporated city, town, or village. This page uses the same /iowa/duncan/ guide pattern as incorporated places.

Nearby

Places around Duncan

County guide: Hancock County — cities, market context, and local resources for the county that includes Duncan.

USAHouses.com also publishes Census place pages for other communities in the same county as Duncan.

Nearby communities include Hayfield, Garner, Britt, Miller, Klemme, Crystal Lake, Hutchins, Forest City, Kanawha, Goodell, Woden, Corwith.

Adjacent-county Census places with USAHouses.com pages: Ventura (~12.0 mi), Wesley (~14.7 mi), Leland (~16.0 mi), Clear Lake (~16.7 mi), Meservey (~17.6 mi), Thompson (~18.4 mi), St. Benedict (~18.6 mi), Belmond (~18.7 mi), Titonka (~19.3 mi), Thornton (~19.5 mi), Sexton (~19.7 mi), Swaledale (~21.5 mi), Burchinal (~21.6 mi), Buffalo Center (~22.9 mi), Lake Mills (~23.0 mi), Scarville (~25.4 mi).

Census & home facts

Duncan data from published sources

County FHFA annual change (2025)

-1.95%

Census place type

CDP

County

Hancock County

Land area (Census Gazetteer 2024)

0.79 sq mi

Census GEOID

1922710

Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.

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Common questions

Duncan FAQ

What kind of place is Duncan, IA?

The U.S. Census Bureau lists Duncan as a Census-designated place in Hancock County, Iowa — a settled community that is not an incorporated city, town, or village.

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New-home communities in Duncan, Iowa

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