Imbler is a city in Union County, Oregon, United States. The population was 306 at the 2010 census.
Imbler was platted in 1891. As Summerville declined, Imbler became the town serving locals in the northern Grande Ronde Valley.
Imbler lies about 4 miles (6 km) southeast of Summerville at the intersection of Summerville Road with Oregon Route 82. The state highway connects Imbler with La Grande to the southwest and Elgin to the northeast. Flowing north slightly east of the city is the Grande Ronde River.
According to the United States Census Bureau, the city has a total area of 0.22 square miles (0.57 km2), all of it land.
As of the census of 2010, there were 306 people, 114 households, and 90 families residing in the city. The population density was 1,390.9 inhabitants per square mile (537.0/km2). There were 119 housing units at an average density of 540.9 per square mile (208.8/km2). The racial makeup of the city was 93.8% White, 1.0% Native American, 1.3% Pacific Islander, 2.6% from other races, and 1.3% from two or more races. Hispanic or Latino of any race were 2.6% of the population.
There were 114 households, of which 36.0% had children under the age of 18 living with them, 69.3% were married couples living together, 7.0% had a female householder with no husband present, 2.6% had a male householder with no wife present, and 21.1% were non-families.