Vancouver is a city on the north bank of the Columbia River in the U.S. State of Washington, and the largest suburb of Portland, Oregon. Incorporated in 1857, it is the fourth largest city in the state, with a population of 161,791 as of April 1, 2010 census. Vancouver is the county seat of Clark County and forms part of the Portland-Vancouver metropolitan area, the 23rd largest metropolitan area in the United States. Originally established in 1825 around Fort Vancouver, a fur trading outpost, the city is located on the Washington-Oregon border along the Columbia River, directly north of Portland. In 2005, Money magazine named it No. 91 on its list of best places in America to live. In 2016, WalletHub ranks Vancouver the 39th best place to live for families in the US.
As of the census of 2010, there were 161,791 people, 65,691 households, and 40,246 families residing in the city. The population density was 3,482.4 inhabitants per square mile (1,344.6/km2). There were 70,005 housing units at an average density of 1,506.8 per square mile (581.8/km2).
There were 65,691 households of which 31.9% had children under the age of 18 living with them, 42.6% were married couples living together, 13.2% had a female householder with no husband present, 5.5% had a male householder with no wife present, and 38.7% were non-families. 30.0% of all households were made up of individuals and 9.9% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 3.02.
The median age in the city was 35.9 years. 24% of residents were under the age of 18; 9.4% were between the ages of 18 and 24; 28.9% were from 25 to 44; 25.3% were from 45 to 64; and 12.4% were 65 years of age or older. The gender makeup of the city was 48.8% male and 51.2% female.