Newcastle Washington Map

About Newcastle, Washington

Newcastle is a locality in King County, Washington, United States. It has a population of 12,989. The population density is 1126.9 people per km². Newcastle is located at 47.5390°N, 122.1557°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 98059.

Newcastle rests on the eastern slope of the Newcastle Coalfield, a geological seam that has long defined its character and landscape. It lies 3.8 miles southeast of Mercer Island, WA (from Mercer Island, WA: bearing 125°T), and is situated 9.4 miles east-southeast of Seattle. The terrain here is a gentle rise from the Puget Sound lowlands, with the distant, snow-capped majesty of Mount Rainier often gracing the southern horizon. Dense evergreen forests, typical of the Pacific Northwest, cloak the hillsides, their shadows deepening as the afternoon sun angles westward. Streams born of these higher grounds meander down, their waters carrying the cool, clean scent of damp earth and pine needles, a constant reminder of the natural world that presses in. The air itself often carries a subtle, humid embrace, a soft breath from the nearby waters. The genesis of Newcastle is intrinsically linked to the discovery of coal, a resource that fueled its early growth and attracted a diverse array of laborers and entrepreneurs. For decades, mining was the lifeblood of Newcastle, shaping its identity and community in profound ways. As the mines eventually dwindled, the economy began to diversify, embracing new industries and commercial ventures that now characterize the modern iteration of Newcastle. This transition reflects a broader shift in the region, moving from a resource-based economy to one that is more service-oriented and technologically driven. The enduring spirit of ingenuity, however, remains a palpable thread. While Newcastle may not boast the grand pronouncements of larger metropolises, its cultural character is one of quiet resilience and neighborly connection. The spirit of its founding communities, a blend of hard work and shared experience, still resonates within its neighborhoods. The local events, often centered around community parks and gathering spaces, reflect this down-to-earth sensibility, fostering a sense of belonging. Though no globally recognized figures hail directly from Newcastle, its identity is forged by the countless individuals who have contributed to its ongoing story, a collective narrative of everyday life unfolding with a steady, unpretentious grace.

About This Newcastle Map Page

This page provides an embedded street and satellite map of Newcastle, Washington — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 47.538989, -122.155677. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Newcastle and King County.

Detailed location data for Newcastle includes the ZIP code (98059), telephone area code (206, 253), county seat of King County (Seattle), and school district assignment (Issaquah School District). These are among the most commonly searched location details for any US city or town.

Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Newcastle is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.