Home › States › Washington › Newcastle

Newcastle, Washington

Newcastle is a city in King County, Washington, with an estimated population of 12,761 in 2023. It sits at 47.5315, -122.1656 in the America/Los_Angeles time zone.

Field	Value
Place name	Newcastle
Type	city
State	Washington (WA)
County	King County
Population (2023 est.)	12,761
Land area	4.43 sq mi (11.49 km²)
Coordinates	47.5315, -122.1656
Time zone	America/Los_Angeles

Where is Newcastle?

Newcastle is located in Washington, in King County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.

Nearby places

Mercer Island 6 km · WA Renton 6 km · WA Beaux Arts Village 7 km · WA Bellevue 7 km · WA Issaquah 9 km · WA Tukwila 10 km · WA Clyde Hill 12 km · WA Sammamish 12 km · WA

Other places in King County

Seattle 755,078 Bellevue 151,574 Kent 133,378 Renton 104,491 Federal Way 97,701 Kirkland 91,194 Auburn 83,870 Redmond 80,280 Sammamish 65,116 Shoreline 61,353

All places in Washington · Search US places · King County

Frequently asked questions

What county is Newcastle, WA in?

Newcastle is in King County, Washington.

What is the population of Newcastle, WA?

The 2023 Census Bureau estimate is 12,761.

What time zone is Newcastle in?

Newcastle is in the America/Los_Angeles time zone.