1847Government
The earliest European settlers established a mission near Pendleton in 1847.
1862History
The territorial government organized Umatilla County in 1862 from the larger Wasco County.
1907Government
The rival developers eventually settled their differences and on July 10, 1907, the two towns were incorporated as a single Hermiston.
1908History
The greater Hermiston region began to see irrigated agriculture in 1908, with the completion of the U.S.
1970History
The associated economic development drove Hermiston's population to nearly double from 4,893 in 1970 to 9,408 by 1980.
2002History
Caldwell, ID: Caxton Printers, 2002.
2008Government
Voters approved a $69.9 million capital construction bond in November, 2008, and another $82.7 million capital construction bond in November, 2019.
2010Economy
There were 46,000 people living within Hermiston's Local Trade Area based on 2010 U.S.
2012History
=== Workforce ===
The Greater Hermiston area, which encompasses the Hermiston, Umatilla, Stanfield, & Echo zip codes, and equates to a less than 10-minute commuting distance, h...
2014History
The Tri-Cities, located approximately 30 minutes north of Hermiston in Washington, had a metro-area population of 275,740 as of April 1, 2014, making it the fourth largest metro...
2015History
A 1.8-mile paved walking path, named the Oxbow Trail, was added in 2015 to connect Riverfront Park with the north side of town near Good Shepherd Medical Center.
2017Education
This cross-state membership was approved by the WIAA in 2017 in recognition of the lack of comparable sized large high schools elsewhere in Eastern Oregon.
2019History
More recently, Greater Hermiston accounted for 114% of Umatilla County job gains from 2019 to 2022 as a result of 1,121 jobs added compared to net losses of 74 and 48 jobs in Pe...
2020Education
== Education ==
=== K-12 ===
Hermiston School District is the largest district in Eastern Oregon, with 5,508 students in the 2020–21 school year.
2022History
According to 2022 U.S.
2023History
PSU's 2023 Certified Population Estimate for Hermiston was 20,322.