There are 12 US Post Offices in Latah County serving a total of 62,626 residents equating to 5,219 residents per post office. It's estimated that approximately 99,958 packages are handled across the 12 county post offices annually. Latah County (pron. /\u02c8le\u026at\u0251\u02d0/ LAY-tah) is a county located in the north central region of the U.S. state of Idaho. As of the 2010 census, the population was 37,244. The county seat and largest city is Moscow, the home of the University of Idaho, the state's flagship and land-grant university. The county was created 128 years ago in 1888 and named for Latah Creek in its northwest corner. The name in the Nez Perce language means \"the place of pine trees and pestle.\" The tribe found shade under the white pine trees for doing their work and stones suitable for use in pulverizing camas roots to process for food. Latah County comprises the Moscow, ID Micropolitan Statistical Area, which is included in the Pullman-Moscow, WA-ID Combined Statistical Area. The county comprises the majority of the eastern portion of the Palouse, famous for its rolling hills and rich agriculture. Latah County is the only county in the U.S. established by an act of Congress; it was originally part of Nez Perce County, which was reluctant to lose its most populated area."