Dallas is a city and the county seat of Polk County, Oregon, United States. The population was 14,583 at the 2010 census.
According to the United States Census Bureau, the city has a total area of 4.81 square miles (12.46 km), all of it land.
The median income in 2000 for a household in the city was $35,967, and the median income for a family was $45,156. Males had a median income of $34,271 versus $22,941 for females. The per capita income for the city was $16,734. About 7.8% of families and 9.8% of the population were below the poverty line, including 13.2% of those under age 18 and 5.8% of those age 65 or over.
As of the census of 2010, there were 14,583 people, 5,747 households, and 3,952 families residing in the city. The population density was 3,031.8 inhabitants per square mile (1,170.6/km). There were 6,137 housing units at an average density of 1,275.9 per square mile (492.6/km). The racial makeup of the city was 92.6% White, 0.2% African American, 2.0% Native American, 0.8% Asian, 0.1% Pacific Islander, 1.6% from other races, and 2.7% from two or more races. Hispanic or Latino people of any race were 5.9% of the population.
There were 5,747 households of which 32.2% had children under the age of 18 living with them, 51.8% were married couples living together, 12.3% had a female householder with no husband present, 4.6% had a male householder with no wife present, and 31.2% were non-families. 26.5% of all households were made up of individuals and 13.7% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 2.98.
The median age in the city was 39.8 years. 25% of residents were under the age of 18; 7.9% were between the ages of 18 and 24; 23.3% were from 25 to 44; 24.8% were from 45 to 64; and 18.8% were 65 years of age or older. The gender makeup of the city was 47.9% male and 52.1% female.
Dallas Oregon neighborhoods include: Bridlewood, Brown Road, Dallas City Park, Kingsbouro & Dallas, Kings Valley Highway, Laura Lane, Meadowcreek Mhp, Oakdale, Perrydale Rd, Reuben Boise Rd, Salt Creek, SE Monmouth Cutoff, Smithfield RD, Uptown Ellendale