Duncan

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

City facts

Facts from Wikidata (CC0).

Overview

Duncan is a census-designated place (CDP) in Hancock County, Iowa, United States. The population was 57 at the 2020 census.

History & geography

Excerpted from the corresponding Wikipedia article (CC BY-SA).

Demographics & economy

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Current forecast

Forecast for Duncan, IA from NOAA NWS API.

Notable people from here

Alvin Baldus

American politician (1926-2017)

J

John Verrall

American composer (1908–2001)

D

Dick Woodard

American football player (1926-2019)

C

Clarke A. Sanford

H

Howard K. Schoenwetter

American scientist

D

Dustin Honken

American dead row inmate

V

Vin Schleusner

American football player (1908-1979)

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Nearby places in Iowa

• Hayfield
  4.9 mi away
• Britt
  5.1 mi away
• Klemme
  8.5 mi away
• Crystal Lake
  9.2 mi away
• Hutchins
  9.4 mi away
• Forest City
  10.8 mi away
• Kanawha
  12.9 mi away
• Leland
  16 mi away
• Fertile
  17.6 mi away
• Meservey
  17.6 mi away
• Joice
  21.6 mi away
• Buffalo Center
  22.9 mi away

Browse all places in Iowa →

Geography & sun

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Public attention

Pageview totals from the Wikimedia Pageviews API.

Books about Duncan

Duncan & Prasse's veterinary laboratory medicine

Kenneth S. Latimer · 2003

Iowa Police Journal

D. Duncan · 2018

Workers' compensation in Iowa

Duncan S. Ballantyne · 2004

History and appreciation of art

Lester Duncan Longman · 1950

Iowa Legal Research

John D. Edwards · 2016

Duncan MacGregor, et al., vs. James MacGregor, et al

Duncan MacGregor · 1862

Reading Duncan reading

Stephen Collis · 2012

Then and now

Thomas W. Duncan · 1954

Search results from Open Library.

Recently spotted species

Eastern Cicada-killer Wasp

Sphecius speciosus

Seen 2026-08-15

spotted lady's thumb

Persicaria maculosa

Seen 2026-07-29

Tan Jumping Spider

Platycryptus undatus

Seen 2026-07-04

ground-ivy

Glechoma hederacea

Seen 2026-05-02

Powderblues

Porcellionides pruinosus

Seen 2025-08-15

Baltimore Oriole

Icterus galbula

Seen 2025-05-26

Gray Catbird

Dumetella carolinensis

Seen 2025-05-26

Brown Thrasher

Toxostoma rufum

Seen 2025-05-24

American Robin

Turdus migratorius

Seen 2025-05-05

Research-grade observations from iNaturalist (within ~15 mi).