Morrow County, Oregon

Morrow County: County in Oregon, United States


Morrow County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 11,173 and a population density of 2 people per km². After 10 years in 2020 county had an estimated population of 11,700 inhabitants. Its county seat is Heppner. The county was created 139 years ago in 1883.

Morrow County locator map
Location of Morrow County on Oregon map.

Quick Facts about Morrow County

Population : 11,700 (2020)
Country : United States of America
State : Oregon (United States)
Different from : Morrow County
Area : 5307 km2
Water as percent of area : 0.8%
Land as percent of area : 99.2%
Named for : Jackson L. Morrow
Capital : Heppner
Establishment : January 01, 1884
Time Zone : America/Los_Angeles
Local time : 02:08:22 (21st September 2023)
Density : 2 Pop. per km² as of 2020
Population growth : 4.5% (2010-2020)
Weather : 45℉ Rain Showers Likely 7-days weather
HeppnerMorrowcourthouse image
HeppnerMorrowcourthouse image


Morrow County is located at 45°25'8"N 119°35'3"W (45.4188300, -119.5843000). It has 5 neighbors: Grant County, Wheeler County, Gilliam County, Umatilla County and Klickitat County.

Morrow County map

The largest city of Morrow County is Boardman with a population of 3,794. Other cities include, Irrigon population 1,799, Heppner population 1,262, Ione population 329 and Lexington population 240. See all Morrow County cities & populated places.

Morrow County Populated Places

Cities, towns, neighborhoods & other populated places in Morrow County.

City Name Population Title
Boardman 3,794 City in Oregon, USA
Irrigon 1,799 City in Oregon, USA
Heppner 1,262 City in Oregon, USA
Ione 329 City in Oregon, USA
Lexington 240 City in Morrow County, Oregon, United States


Morrow County forecast: Rain showers likely. Mostly cloudy, with a low around 45. West wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. more

Morrow County has 5 neighbours.

  • Heppner


The population of Morrow County increased by 4.5% in 10 years.

Year Population % Change Method
2010 11,173 - census
2011 11,226 0.47% estimation process
2012 11,224 -0.02% estimation process
2013 11,196 -0.25% estimation process
2014 11,095 -0.91% estimation process
2015 11,130 0.31% estimation process
2016 11,222 0.82% estimation process
2017 11,198 -0.21% estimation process
2018 11,360 1.43% estimation process
2019 11,603 2.09% estimation process
2020 11,700 0.83% estimation process

Comitatul Morrow, Comte de Morrow, Comté de Morrow, Condado de Morrow, Condado han Morrow, Contea di Morrow, Hrabstwo Morrow, Marrou, Morou, Morou srjan, Morrou, Morrow, Morrow Comitatus, Morrow Kun, Morrow Kūn, Morrow konderria, Morrow maakond, Morrow megye, Okrug Morou, Quan Morrow, Quận Morrow, mo luo xian, molo gun, moro jun, morora ka'unti, mqatʿt mwrw, shhrstan mwrw awrgn, Марроу, Мороу, Морроу, Округ Мороу, Մորոու շրջան, شهرستان مورو، اورگن, مقاطعة مورو, موروو کاؤنٹی، اوریگون, মোরোৱ কাউন্টি, モロー郡, 莫羅縣, 모로 군

People born in Morrow County (1)

Member of the Oregon House of Representatives Denny Jones was born in Morrow County

Other places with the same name (2)

Oregon Other Counties (more counties)

County Name Population Title
Multnomah County 815,637 County in Oregon, United States
Portland 656,751 The twenty-sixth most populous city in the United States and the center of the Portland metropolitan area.
Washington County 603,514 County in Oregon, United States
Clackamas County 421,596 County in Oregon, United States
Lane County 382,986 County in Oregon, United States
Marion County 349,204 County in Oregon, United States
Jackson County 221,844 County in Oregon, United States
Deschutes County 201,769 County in Oregon, United States
Salem 175,891 The capital of Oregon.
Eugene 173,236 The second most populous city in Oregon.
Linn County 131,054 County in Oregon, United States
Terrebonne 117,664 Census-designated place in Deschutes County, Oregon
Douglas County 111,364 County in Oregon, United States
Hillsboro 110,985 The most populous city in Washington County, Oregon.
Gresham 110,031 The second most populous city in Multnomah County, Oregon.
Yamhill County 107,664 County in Oregon, United States