Helix is a city in Umatilla County, Oregon, United States. The population was 183 at the 2000 census. It is part of the Pendleton–Hermiston Micropolitan Statistical Area.
According to the United States Census Bureau, the city has a total area of 0.1 square miles (0.3 km2), all of it land.
As of the census of 2000, there were 183 people, 62 households, and 46 families residing in the city. The population density was 1,600.5 people per square mile (642.3/km2). There were 68 housing units at an average density of 594.7 per square mile (238.7/km2). The racial makeup of the city was 94.54% White, 2.19% Native American, 0.55% from other races, and 2.73% from two or more races. Hispanic or Latino of any race were 2.73% of the population.