Newcastle is a city located in King County, Washington, United States. It is situated about 10 miles east of downtown Seattle and covers an area of approximately 4 square miles (10 km²). As of the 2020 census, the population of Newcastle was approximately 12,000 people.


Newcastle is known for its scenic natural beauty, outdoor recreational opportunities, and strong community spirit. The city is surrounded by forests and parks, including the popular Cougar Mountain Regional Wildland Park, which features hiking trails, picnic areas, and wildlife viewing opportunities.


In addition, the city has several community events and festivals throughout the year, including the Newcastle Days festival, which celebrates the city's history and culture.


Newcastle is also home to several highly-rated public schools, making it a desirable location for families.


Overall, Newcastle is a quiet and peaceful city with a strong sense of community and a focus on outdoor recreation and education. It offers a suburban lifestyle with easy access to the urban amenities of Seattle and the surrounding areas.

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