1852Government
The town post office was established in 1852.
1856History
In 1856, the town was moved more than a mile south because of an inadequate supply of water.
1874Government
Dallas was incorporated as a town in 1874 and as a city in 1901.
1875History
== Media ==
The Polk County Itemizer-Observer is a weekly newspaper published in Dallas since 1875.
1878Architecture
The line was built from 1878–80.
1901Government
incorporated the Salem, Falls City and Western Railway Company late in October 1901, he announced plans to build a railroad from the Willamette River at Salem to the mouth of th...
1902History
In 1902, Louis's son George T.
1903History
On May 29, 1903, the first train ran from Dallas to Falls City.
1906Government
Willamette Industries was founded in Dallas in 1906.
1947Culture
A 1947 Itemizer-Observer article states: "[T]he town was called Cynthiana after Cynthiana, Ky., so named by Mrs.
1956Military
Low humidity and pleasant mornings make this season comfortable, although airflows from the hot continent can bring spells of sweltering and arid weather, with 106 °F (41.1 °C) ...
1967History
In 1967, Willamette Valley Lumber and several others merged to become Willamette Industries.
1976History
As with most of Oregon, the driest "rain year" was from July 1976 to June 1977 and saw only 23.78 inches (604.0 mm).
1983History
Rainfall is generally heavy during the winter months, averaging over 6.50 inches (170 mm) from November to February, when rain falls on around seventeen days in an average month...
1987History
Lovelady." According to the county historical society in 1987, Mrs.
1996History
The wettest month has however been December 1996 with 21.93 inches (557.0 mm) and the wettest "rain year" from July 1973 to June 1974 with 80.01 inches (2,032.3 mm).
2000History
=== 2000 census ===
The median income in 2000 for a household in the city was $35,967, and the median income for a family was $45,156.
2002Civil Rights
In March 2002, Willamette Industries was officially acquired by Weyerhaeuser Company in a hostile takeover.
2009Economy
In early 2009, Weyerhaeuser's Mill formally closed the Dallas operation.
2010History
=== 2010 census ===
As of the census of 2010, there were 14,583 people, 5,747 households, and 3,952 families residing in the city.