Arapahoe City Facts

Arapahoe City Historic Marker

Arapahoe City Historic Marker, 2008
Courtesy Gardner Family Collection

• Jefferson County’s 1st town, founded November 29, 1858

• Located on north side of Clear Creek west of McIntyre Street

• Named for the Arapaho tribe of this region

• Finished 2nd to Golden for County Seat, getting 288 votes to Golden’s 401

• Jeffco’s 1st post office, established February 1860, Asa Smith postmaster

• Gold first discovered here by the Estes Party in 1834

• Jeffco’s 1st mining district started here on November 28, 1858

• Population around 200 at its height in 1859

• Arapahoe had around 60-70 buildings usually made of hewn logs

• Each settler got a free lot if they built on it within a required time

• Idaho Springs gold discoverer George A. Jackson came from here

• Central City/Black Hawk gold discoverer John H. Gregory came from here

• Postmaster Asa Smith elected to provisional Jefferson Territorial House

• Arapahoe City faded away in favor of Golden and mountain gold finds

• Locale evolved into the Fairmount community

• Gold still mined here by hydraulic and dredge miners until 1907

• Moved Arapahoe City buildings may still survive in Golden and area

• Denver’s Wynkoop Street named for Arapahoe founder Edward Wynkoop

• Denver’s Curtis Street named for Arapahoe founder Samuel S. Curtis

History of Arapahoe City