Tualatin (/tuˈɔːlətɪn/) is a city located primarily in Washington County in the State of Oregon. A small portion of the city is also located in neighboring Clackamas County. It is a southwestern suburb in the Portland Metropolitan Area that is located south of Tigard. The population was 26,054 at the 2010 census.
According to the United States Census Bureau, the city has a total area of 8.23 square miles (21.32 km), of which 8.22 square miles (21.29 km) is land and 0.01 square miles (0.03 km) is water.
As of the census of 2010, there were 26,054 people, 10,000 households, and 6,762 families residing in the city. The population density was 3,169.6 inhabitants per square mile (1,223.8/km). There were 10,528 housing units at an average density of 1,280.8 per square mile (494.5/km). The racial makeup of the city was 80.4% White, 1.2% African American, 0.7% Native American, 3.5% Asian, 1.0% Pacific Islander, 8.9% from other races, and 4.2% from two or more races. Hispanic or Latino of any race were 17.3% of the population.
There were 10,000 households of which 37.5% had children under the age of 18 living with them, 51.6% were married couples living together, 11.4% had a female householder with no husband present, 4.6% had a male householder with no wife present, and 32.4% were non-families. 24.6% of all households were made up of individuals and 5.3% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.12.
The median age in the city was 34.6 years. 26.9% of residents were under the age of 18; 8.5% were between the ages of 18 and 24; 31% were from 25 to 44; 26.8% were from 45 to 64; and 7% were 65 years of age or older. The gender makeup of the city was 49.1% male and 50.9% female.
As of the census of 2000, there were 22,791 people, 8,651 households, and 5,804 families residing in the city. The population density was 2,928.5 people per square mile (1,131.1/km²). There were 9,218 housing units at an average density of 1,184.4 per square mile (457.5/km²). The racial makeup of the city was 86.89% White, 0.79% African American, 0.69% Native American, 3.62% Asian, 0.37% Pacific Islander, 4.84% from other races, and 2.81% from two or more races. Hispanic or Latino of any race were 11.85% of the population.
There were 8,651 households out of which 39.1% had children under the age of 18 living with them, 54.1% were married couples living together, 9.3% had a female householder with no husband present, and 32.9% were non-families. 24.5% of all households were made up of individuals and 4.6% had someone living alone who was 65 years of age or older. The average household size was 2.62 and the average family size was 3.17.
In the city, the population was spread out with 28.2% under the age of 18, 9.4% from 18 to 24, 35.6% from 25 to 44, 21.0% from 45 to 64, and 5.8% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 99.2 males. For every 100 females age 18 and over, there were 96.8 males.
The median income for a household in the city was $55,762, and the median income for a family was $68,165. Males had a median income of $47,004 versus $32,210 for females. The per capita income for the city was $26,694. About 3.0% of families and 5.5% of the population were below the poverty line, including 4.9% of those under age 18 and 3.8% of those age 65 or over.