Washington / Census place 5348645

Newcastle

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: Newcastle city

At a glance

A city in numbers.

Population
13,128
2025 estimate
Annual change
+1.3%
Population estimate
Density
2,960/sq mi
4.4 sq mi land area
Median age
37.5 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$160,278
Median home value
$1,205,600
Median gross rent
$2,369
Bachelor’s degree or higher
68.5%
Typical commute
27.9 min
Public transit commute
2.5%

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: RENTON MUNI AP (3 mi from place center)
Average high
61.4°F
Average low
45.9°F
Annual rainfall
34.7"
Annual snowfall
0"

Month by month

A year in Newcastle.

Typical high and low °F
JFMAMJJASOND
Typical precipitation inches
J
F
M
A
M
J
J
A
S
O
N
D

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

WA

Woodinville, WA

Population, housing, work, and travel data for this Census place.

Population
14,548
Median home
$1,100,100
IL

Winnetka, IL

Population, housing, work, and travel data for this Census place.

Population
12,518
Median home
$1,337,800
WA

Lake Forest Park, WA

Population, housing, work, and travel data for this Census place.

Population
13,191
Median home
$953,200

Keep exploring

Compare Newcastle with Woodinville