Dunlap is a city in Harrison and Crawford counties, Iowa, United States, along the Boyer River.

[4] The city was named for George L. Dunlap, General Superintendent of the Chicago & North Western railroad.

[5] The location of Dunlap was within the final 50 miles of the railroad's Council Bluffs goal, connecting with the Union Pacific's transcontinental railroad building from Omaha.

By January 1867, the engineering had been completed to Council Bluffs[6] and by April 30 the first trains would be able to run all the way through, making this the first uninterrupted rail connection with the East.

and Director of the C&NW, on Feb. 13, 1867 George L. Dunlap wrote Isaac B Howe, Supt.

: "(Dunlap is)...the proper point for terminus of the Division, ...locating a town there and establishing comfortable homes for our men, thereby attaching them to the Co.'s interest and increasing their efficiency."

The racial makeup of the city was 98.0% White, 0.7% Native American, 0.2% Asian, and 1.2% from two or more races.

37.8% of all households were made up of individuals, and 22.1% had someone living alone who was 65 years of age or older.

37.3% of all households were made up of individuals, and 23.8% had someone living alone who was 65 years of age or older.

Dunlap is home to a small number of shops, two filling stations, two bars, a grocery store, and a feed manufacturing plant.

[17] Boyer Valley South High School is located in Dunlap.

[citation needed] Dunlap also has a large influx of the college age population that attend Buena Vista University in Storm Lake, IA.