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Alderton
WashingtonCDP
Total population
2,706
Median home value
$431,500
Bachelor's+
Median income
$97,446
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
City facts
Facts from Wikidata (CC0).
Overview
Alderton is a census-designated place (CDP) in Pierce County, Washington, United States. As of the 2020 census, Alderton had a population of 3,274. The community is located in the Puyallup River Valley between the cities of Sumner and Orting.
Read more on WikipediaHistory & geography
History
The valley where Alderton is located is within the traditional lands of the Puyallup Tribe and the Muckleshoot Tribes. The Puyallup people are one of the Salish people who inhabited the Puget Sound lowlands. They lived by fishing, hunting, and gathering. Salmon are the most significant food source and are held in reverence and incorporated into the traditional ceremony. Permanent villages were located along the riverbank. The Puyallup River valley was an important trading center for many tribes. The first emigrant wagons arrived in Pierce County in 1853. Some came by way of the Naches Pass trail, a short-cut of the Oregon Trail. Many settled in the Puyallup River valley area including the Woolery and Lane families. The Naches Trail, which led many early emigrants to Pierce County, passed through Alderton and McMillin along the Military Road. It split at Alderton, heading west towards Olympia or north towards Seattle. Homesteaders cleared the land and created subsistence farms which typically included fields where oats, rye, and barley, potatoes, peas, or other vegetables were planted, and pasture for livestock, and orchards with a variety of fruit trees were established. The vacant brick gymnasium and school building were built in 1915, visible along Military Road (Washington Route 162 at its junction with North 96th Street East. The old General Store stands across N 96th E, south of the school. Two historic farms continue to operate, the Spooner Farm since 1930 and the Cavelti Farm since 1938. According to the United States Census Bureau, the CDP has a total area of 5.46 square miles (8.4 km), of which, 5.32 square miles (8.3 km) of it is land and 0.14 square miles (0.08 km) of it (2.55%) is water. In February 2015, the Tacoma News…
Geography
The city sits in a fertile valley by the Puyallup. It is built entirely on several layers of lahar deposits. Alderton is located about from Mount Rainier. Based on studies of past lahar flow and the mountain's structure, the Orting plains of the Puyallup River is designated an at-risk community from Mount Rainier's lahar activity; scientists predict that lahar could reach Orting in 30 minutes and Alderton in an hour. The Mount Rainier Volcano Lahar Warning System has installed sirens throughout the area, activated by sensors on Mount Rainier.
Excerpted from the corresponding Wikipedia article (CC BY-SA).
Demographics & economy
Race & ethnicity
Source: US Census Bureau — American Community Survey, 5-year estimates.
Geography
Coordinates & boundaries from the US Census TIGER/Line shapefiles.
Climate
Current forecast
Forecast for Alderton, WA from NOAA NWS API.
Air quality
Industrial & pollution facilities
Natural hazard risk
Health (adults)
Walkability
Amenities nearby
Wildlife & biodiversity
Schools
Earthquake history
Photos
Sights & places nearby
Notable people from here







People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.
Nearby places in Washington
- Bonney Lake3.2 mi away · pop. 22,487
- Lake Tapps4.5 mi away
- Prairie Ridge4.5 mi away
- Edgewood4.9 mi away
- Orting5.5 mi away
- Prairie Heights5.6 mi away
- Pacific6.1 mi away · pop. 7,066
- South Prairie6.5 mi away · pop. 309
- Lakeland South7.5 mi away
- Clover Creek7.8 mi away
- Fife Heights8.2 mi away
- Frederickson8.8 mi away
Geography & sun
Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.
Nearby airports
Public attention
Pageview totals from the Wikimedia Pageviews API.
Books about Alderton



Search results from Open Library.
Recent natural events nearby
- Wildfire KING, Kittitas, WashingtonWildfires · 2026-08-19 · 50 mi
- Wildfire GOAT, Kittitas, WashingtonWildfires · 2026-08-22 · 58 mi
- Wildfire SISI, Chelan, WashingtonWildfires · 2026-08-14 · 104 mi
- Wildfire Electric, Whatcom, WashingtonWildfires · 2026-08-22 · 108 mi
- Wildfire Thunder Creek, Skagit, WashingtonWildfires · 2026-08-22 · 110 mi
- Wildfire Colwash, Yakima, WashingtonWildfires · 2026-08-22 · 118 mi
- Wildfire Austin Non-Stat, Clackamas, OregonWildfires · 2026-08-12 · 149 mi
- Wildfire AUSTIN, Clackamas, OregonWildfires · 2026-08-09 · 149 mi
Wildfires, storms and other events from NASA EONET (last 12 months, within 250 mi).
Ground air-quality sensors
Recently spotted species
Nearest stream gauge
Events
Gallery
Sources
- • Wikipedia
- • US Census Bureau (ACS 5-year estimates)
- • NOAA National Weather Service
- • Wikidata
- • Open-Meteo / sunrise-sunset.org
- • Wikipedia Pageviews API
- • Open Library
- • NASA EONET