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Columbia County was created from Walla Walla County in 1875. The first homesteaders arrived in Dayton (Columbia County) in 1859. Columbia County, in southeastern Washington, has a population of 4,064 (in 2000), making it one of the more sparsely populated of Washington’s 39 counties. At 868.8 square miles, it is the ninth-smallest county in the state. It is bordered by Whitman County and the Snake River to the north, Walla Walla County to the west, Garfield County to the east, and the Oregon state line to the south. It is known for asparagus, green peas, and especially wheat, with ranching and logging also playing a significant role. Agriculture and food processing still dominate the economy, with manufacturing and government representing the majority of the county’s nonagricultural employment. Dayton, the largest town and county seat, is well known for the historic preservation of its downtown (Source: The Online Encyclopedia of Washington State History,

1900 Columbia Co, WA Census

(Source: Original census images,, abs by SE)

Rail Road Precinct

ED 6

p. 9A Sheet 10, June 19, 1900

176/180 Combs William Head W, M, 36, b May 1864, Md 14yrs, b TX TN TX, Farm labor Margaret A, Wife, W, F, 32, b Nov 1867, Md 14yrs, 0ch/0liv, b TN TN TN

Important: All Records collected for this county may not have been added here as yet. See also the Combs Research List Archives