The Town FilesNewcastle, Washington
City in King County · population 13,017 (2020 Census)
- Median home
- $1,205,600
- Household income
- $160,278
- Jan low / Jul high
- 37° / 77°
- Snow a year
- 6 in
- Tornadoes ≤10 mi since 1950
- 3
- Median age
- 37.5
Newcastle is a city of 13,017 people in King County, Washington. The median home is worth $1,205,600, above the typical Washington town ($475,000). It ranks more upscale than 99% of Washington towns, better for young professionals than 98% of Washington towns, more vibrant than 86% of Washington towns.
How Newcastle ranks
Percentile among Washington towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Washington towns.
Homes and cost of living
The median home in Newcastle is worth $1,205,600, above the typical Washington town ($475,000). Homes cost about 7.5 times the median household income of $160,278, which is more affordable than 6% of Washington towns. Median rent is $2,369 a month. 61.0% of households own their home.
| Housing | Newcastle | Typical Washington town |
|---|---|---|
| Median home value | $1,205,600 | $475,000 |
| Median rent | $2,369 | $1,597 |
| Median household income | $160,278 | $90,625 |
| Home value ÷ income | 7.5× | 5.3× |
| Homeownership | 61.0% | 74.4% |
| Median year built | 1999 | 1985 |
| Seasonal / vacation homes | 0.9% | — |
Who lives in Newcastle
| People | Newcastle | Typical Washington town |
|---|---|---|
| Median age | 37.5 | 40.1 |
| Age 65 and over | 15.8% | 17.9% |
| Under 18 | 19.9% | — |
| Bachelor's degree or higher | 68.5% | 27.6% |
| Below the poverty line | 5.9% | 8.5% |
| Veterans | 3.0% | — |
| Born outside the U.S. | 32.8% | — |
| Work from home | 30.2% | 13.4% |
| Average commute | 27.9 min | 27.1 min |
| Homes with broadband | 96.6% | 93.9% |
Weather in Newcastle
July highs average 77.2°F and January lows 37.1°F. About 34.7 inches of rain and melted snow fall a year, with 6.3 inches of snow (typical Washington town: 4.0 in). Expect about 4 days a year at 90°F or hotter and 30 nights at or below freezing.
Tornadoes, storms and disasters
3 tornadoes have passed within 10 miles of Newcastle since 1950, compared with 1 for the typical Washington town. 1 rated (E)F2 or stronger. The strongest, an F3, struck on December 12, 1969 about 7.2 miles from the town center. The most recent was on December 12, 1969.
Hail of 1 inch or larger has been reported within 10 miles 1 times; the largest was 1.50 inches on June 8, 1972.
Severe weather in King County since 1996
King County has been included in 35 federal disaster or emergency declarations since 1953, most often for fire, flood, biological.
| Declared | Incident | Declaration |
|---|---|---|
| April 7, 2026 | Flood | DR-4906: Severe Storms, Straight-Line Winds, Flooding, Landslides, And Mudslides |
| December 12, 2025 | Flood | EM-3629: Severe Storms, Straight-Line Winds, Flooding, Landslides, And Mudslides |
| April 28, 2024 | Severe Storm | DR-4775: Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, And Mudslides |
| September 10, 2022 | Fire | FM-5455: Bolt Creek Fire |
| April 23, 2020 | Flood | DR-4539: Severe Storms, Flooding, Landslides, And Mudslides |
Jobs and pay in King County
King County had 1,449,785 jobs in 2024, paying an average of $132,279 a year. Unemployment was 3.4% in 2023; in Newcastle itself the ACS puts it at 5.6%.
Public schools in Newcastle
3 public schools with 1,683 students, about 18.3 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Vera Risdon Middle School | 6-8 | 761 | 21.7 |
| Hazelwood Elementary School | K-5 | 462 | 17.1 |
| Newcastle Elementary School | K-5 | 460 | 15.3 |
Towns near Newcastle
- Mercer Island, WA3.8 mi · 25,748 people · home $2,000,001
- Renton, WA3.9 mi · 106,785 people · home $672,600
- Bryn Mawr-Skyway, WA4.3 mi · 17,397 people · home $655,200
- Bellevue, WA4.6 mi · 151,854 people · home $1,340,300
- East Renton Highlands, WA5.4 mi · 11,937 people · home $778,700
- Issaquah, WA5.5 mi · 40,051 people · home $963,000
- Fairwood, WA5.9 mi · 19,396 people · home $733,200
- Tukwila, WA6.4 mi · 21,798 people · home $489,000
Newcastle questions
Is Newcastle, Washington a good place to retire?
On The Town Files lifestyle rankings, Newcastle scores better for retirees than 54% of Washington towns and quieter than 24%. 15.8% of residents are 65 or older (median age 37.5).
How much does a house cost in Newcastle?
The median owner-occupied home in Newcastle is valued at $1,205,600 (Census ACS 2020–2024), against a median household income of $160,278, so homes cost about 7.5 times income. Median rent is $2,369 a month.
What is the weather like in Newcastle?
July highs average 77.2°F and January lows 37.1°F (NOAA 1991–2020 normals). It gets about 34.7 inches of precipitation a year and 6.3 inches of snow.
Does Newcastle get tornadoes?
3 tornadoes have passed within 10 miles of Newcastle since 1950 (NOAA Storm Events); the strongest was a F3 on December 12, 1969. The typical Washington town has had 1.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)