Riddle is a city in
Douglas County,
Oregon
Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...
, United States. The population was 1,185 at the 2010 census.
History
Riddle was founded by John Bouseman Riddle, the son of William H. Riddle, for whom the town was named. William H. Riddle was a native of
Springfield, Illinois
Springfield is the List of capitals in the United States, capital city of the U.S. state of Illinois. Its population was 114,394 at the 2020 United States census, which makes it the state's List of cities in Illinois, seventh-most populous cit ...
, who settled in the area in 1851. By 1881, the
Southern Pacific Railroad
The Southern Pacific (or Espee from the railroad initials) was an American Railroad classes#Class I, Class I Rail transport, railroad network that existed from 1865 to 1996 and operated largely in the Western United States. The system was oper ...
line south of
Roseburg had a station here called "Riddlesburg", which was changed to "Riddles" in 1882 and to "Riddle" in 1889. A
post office
A post office is a public facility and a retailer that provides mail services, such as accepting letter (message), letters and parcel (package), parcels, providing post office boxes, and selling postage stamps, packaging, and stationery. Post o ...
at this location opened under the name of "Riddles" in 1882 and was changed to "Riddle" in 1910.
J. B. Riddle purchased a land claim from J.Q.C. VanDenbosch at the age of nineteen in the year 1863. In 1869, Riddle sold 140.5 acres of his claim to his brother, Abner. When the
railroad
Rail transport (also known as train transport) is a means of transport using wheeled vehicles running in railway track, tracks, which usually consist of two parallel steel railway track, rails. Rail transport is one of the two primary means of ...
came through, it passed between the brothers' properties. J.B. took advantage of the opportunity afforded by the railroad and changed his profession to business from farming. He and his second wife, Mary Catching, built a hotel in what would become the city of Riddle, where J.B. opened several small eating houses to
Medford, Oregon
Medford is a city in and the county seat of Jackson County, Oregon, in the United States. As of the 2020 United States census on April 1, 2020, the city had a total population of 85,824, making it the List of cities in Oregon, eighth-most populo ...
along the tracks.
A community recreation center was added to the town in 2024.
Demographics
2010 census
As of the 2010
census
A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...
, there were 1,185 people, 460 households, and 307 families residing in the city. The
population density
Population density (in agriculture: Standing stock (disambiguation), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geog ...
was . There were 491 housing units at an average density of . The racial makeup of the city was 89.7%
White
White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...
, 0.3%
African American
African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...
, 3.0%
Native American, 0.5%
Asian, 0.1%
Pacific Islander
Pacific Islanders, Pasifika, Pasefika, Pacificans, or rarely Pacificers are the peoples of the list of islands in the Pacific Ocean, Pacific Islands. As an ethnic group, ethnic/race (human categorization), racial term, it is used to describe th ...
, 1.2% from
other races, and 5.2% from two or more races.
Hispanic
The term Hispanic () are people, Spanish culture, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, Hispanic and Latino Americans, especially within the United States, "Hispanic" is used as an Ethnici ...
or
Latino of any race were 5.1% of the population.
There were 460 households, of which 36.5% had children under the age of 18 living with them.
Married couples
Marriage, also called matrimony or wedlock, is a culturally and often legally recognised union between people called spouses. It establishes rights and obligations between them, as well as between them and their children (if any), and b ...
living together constituted 44.8%, while 17.0% had a female householder with no husband present, 5.0% had a male householder with no wife present, and 33.3% were non-families. Individuals made up 25.2% of all households, and 8.9% had someone living alone who was 65 years of age or older. The average household size was 2.57 people and the average family size was 3.01.
The median age in the city was 36.6 years. Residents were under the age of 18 made up 25.4% of the population; 9.7% were between the ages of 18 and 24; 25.3% were from 25 to 44; 28.2% were from 45 to 64; and 11.4% were 65 years of age or older. The gender makeup of the city was 48.9% male and 51.1% female.
2000 census
As of the census of 2000, there were 1,014 people, 381 households, and 265 families residing in the city. The population density was . There were 406 housing units at an average density of . The racial makeup of the city was 94.48% White, 2.27% Native American, 0.1% Asian, 0.2% from other races, and 2.96% from two or more races. Hispanic or Latino of any race were 1.97% of the population.
There were 381 households, out of which 36.0% had children under the age of 18 living with them, 50.4% were married couples living together, 13.6% had a female householder with no husband present, and 30.2% were non-families. Individuals made up 24.4% of all households, and 10% had someone living alone who was 65 years of age or older. The average household size was 2.66 people and the average family size was 3.15.
In the city, the population was spread out, with 31.2% under the age of 18, 9.4% from 18 to 24, 25.7% from 25 to 44, 21.8% from 45 to 64, and 11.9% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 96.1 males. For every 100 females age 18 and over, there were 84.7 males.
The median income for a household in the city was $28,750, and the median income for a family was $37,159. Males had a median income of $31,438 versus $27,232 for females. The
per capita income
Per capita income (PCI) or average income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year.
In many countries, per capita income is determined using regular population surveys, such ...
for the city was $13,666. About 16.1% of families and 19.0% of the population were below the
poverty line
The poverty threshold, poverty limit, poverty line, or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for ...
, including 21.1% of those under age 18 and 10.6% of those age 65 or over.
Geography
Riddle is about south of
Roseburg and south of
Portland
Portland most commonly refers to:
*Portland, Oregon, the most populous city in the U.S. state of Oregon
*Portland, Maine, the most populous city in the U.S. state of Maine
*Isle of Portland, a tied island in the English Channel
Portland may also r ...
. It lies about west of
Oregon Route 99
Oregon Route 99 is a state highway that runs between the southern border of Oregon, and the city of Junction City. Oregon Route 99 was formed from parts of the former U.S. Route 99; it shares much of its route with I-5, but much of it is al ...
(Interstate 5) at an elevation of about above sea level.
Cow Creek flows by Riddle before entering the nearby
South Umpqua River
The South Umpqua River is a tributary of the Umpqua River, approximately long, in southwestern Oregon in the United States. It drains part of the Cascade Range east of Roseburg. The river passes through a remote canyon in its upper reaches then ...
.
According to the
United States Census Bureau
The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...
, the city has a total area of , all of it land.
Climate

Riddle has a
warm-summer Mediterranean climate
A Mediterranean climate ( ), also called a dry summer climate, described by Köppen and Trewartha as ''Cs'', is a temperate climate type that occurs in the lower mid-latitudes (normally 30 to 44 north and south latitude). Such climates typic ...
(''Csb'') according to the
Köppen climate classification
The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...
system. Summers are cool during the mornings but become hot by afternoon, whilst winters are chilly, if not severe, and rainy. During hot spells in the summer, there are 28 afternoons reaching over and three afternoons over , although only five mornings have ever stayed at or above . The hottest afternoon has been on June 27, 2021, and the hottest morning on June 28, 2015. The hottest month on record has been July 2015 with a mean of , although the hottest mean maximum is in July 1938 and August 1939.
[
During winter, most days feature westerly surface and aloft winds, although rainfall is restricted by the coastal mountains. On rare occasions, a block in the ]Gulf of Alaska
The Gulf of Alaska ( Tlingit: ''Yéil T'ooch’'') is an arm of the Pacific Ocean defined by the curve of the southern coast of Alaska, stretching from the Alaska Peninsula and Kodiak Island in the west to the Alexander Archipelago in the ...
will drive cold air from the continent west of the Sierra/Cascade
Cascade, or Cascading may refer to:
Science and technology Science
* Air shower (physics), a cascade (particle shower) of subatomic particles and ionized nuclei
** Particle shower, a cascade of secondary particles produced as the result of a high ...
crest, producing much colder than normal weather with either snow or clear skies. The coldest month on record has been January 1937 with a mean of and a maximum of . The coldest temperature on record has been on January 22, 1962, while the coldest maximum temperature was on December 21, 1990.
The wettest year was from July 1973 to June 1974 with and the driest from July 1976 to June 1977 with . The wettest day on record has been November 20, 2012 when fell, and the wettest month December 1996 with . Snowfall is rare: the mean is ; although the most in one month was in January 1950 and the most on the ground was on January 13, 1930, eighteen seasons have had zero snowfall and four more only a trace.
Education
The Riddle School District provides primary and secondary public education in the city. The district operates Riddle Elementary School and Riddle Junior/Senior High School.
Economy
The Riddle area was known for nickel
Nickel is a chemical element; it has symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel is a hard and ductile transition metal. Pure nickel is chemically reactive, but large pieces are slo ...
mining, with several square miles of nickel-bearing garnierite
Garnierite is a general name for a green nickel ore which is found in pockets and veins within weathered and serpentinized ultramafic rocks. It forms by lateritic weathering of ultramafic rocks and occurs in many nickel laterite deposits in the ...
surface deposits nearby. The mine closed in 1987.Chemical Backgrounders: Nickel
environmentwriter.org
References
Further reading
* John M. Cornutt, ''Cow Creek Valley Memories: Riddle Pioneers Remembered in John M. Cornutt's Autobiography.'' Eugene, OR: Industrial Publishing Co., 1971.
External links
Entry for Riddlein the ''
Oregon Blue Book
The ''Oregon Blue Book'' is the official directory and fact book for the U.S. state of Oregon prepared by the Oregon Secretary of State and published by the Office of the Secretary's Archives Division.
The ''Blue Book'' comes in both print and o ...
''
{{Authority control
Cities in Oregon
Cities in Douglas County, Oregon
1893 establishments in Oregon
Populated places established in 1893