Riverpoint, Washington

Riverpoint is an unincorporated community and census-designated place (CDP) in east King County, Washington, United States. As of the 2020 census, it had a population of 774. At the 2010 census, the area was listed as the Tanner CDP and had a population of 1,018 over a larger area.

In 2010, the Tanner CDP ranked 46th out of 522 communities in the state of Washington for per capita income.

Geography
Riverpoint is located in the valley of the Middle and South Forks of the Snoqualmie River at 47.47861°N, -121.74583°W (47.478658, -121.745715). It is bordered to the southwest by the city of North Bend.

According to the United States Census Bureau, the Riverpoint CDP has a total area of 3.38 sqkm, of which 3.28 sqkm are land and 0.09 sqkm, or 2.73%, are water. In 2010, the Tanner CDP had a total area of 10.45 sqkm.

Riverpoint is served by Exit 32 on Interstate 90, at the base of Mount Si, which rises to the north. The community is surrounded by miles of hiking trails located in Washington State Forest Reserves. The most popular hiking trail in the area is the Mount Si Trail.

Demographics
At the 2000 census there were 2,966 people, 1,055 households, and 835 families in the Tanner CDP. The population density was 489.0 people per square mile (188.7/km2). There were 1,087 housing units at an average density of 179.2/sq mi (69.1/km2). The racial makeup of the CDP was 94.10% White, 0.37% African American, 0.98% Native American, 1.21% Asian, 0.13% Pacific Islander, 0.84% from other races, and 2.36% from two or more races. Hispanic or Latino of any race were 2.29%.

Of the 1,055 households 41.8% had children under the age of 18 living with them, 69.1% were married couples living together, 7.3% had a female householder with no husband present, and 20.8% were non-families. 14.8% of households were one person and 2.2% were one person aged 65 or older. The average household size was 2.81 and the average family size was 3.12.

The age distribution was 29.3% under the age of 18, 5.9% from 18 to 24, 33.5% from 25 to 44, 25.7% from 45 to 64, and 5.6% 65 or older. The median age was 36 years. For every 100 females there were 105.8 males. For every 100 females age 18 and over, there were 102.9 males.

The median household income was $73,105 and the median family income was $78,021. Males had a median income of $52,140 versus $31,923 for females. The per capita income for the CDP was $28,604. About 1.5% of families and 4.5% of the population were below the poverty line, including 1.1% of those under age 18 and 24.3% of those age 65 or over.