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Duncan is a township in Mercer County, in the Davenport-Moline metro area.
The latitude of Duncan is 41.283N. The longitude is -90.845W.It is in the Central Standard time zone. Elevation is 745 feet.
The population, at the time of the 2000 census, was 299.
Sections below provide additional information and links about Duncan demographics, travel and tourism, nearby airports, cemeteries, the Mercer County economy, education, environment, genealogy, government, historic sites, libraries, maps, museums, newspapers and other media, nonprofit groups, real estate, recreation, religion, transportation, and weather in the 61279 ZIP code.
24% of Duncan residents report German ancestry, and 10% report Irish. For more info on local ancestry groups, see the Duncan ancestry & family history guide.
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At the time of the 2000 census, the per capita income in Duncan was $19,601, compared with $21,587 nationally.
14% of Duncan residents age 25 and older have a bachelor's or advanced college degree.
Median rent in Duncan, at the time of the 2000 Census, was $273. Monthly homeowner costs, for people with mortgages, were $842.
Mercer County supported John Kerry in the 2004 presidential election. For more information, see our Duncan political report.
The average commute time for Duncan workers is 20 minutes, compared with 26 minutes nationwide.
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