Newcastle, Washington Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Newcastle, Washington is 12,945 as of the 2023 American Community Survey, making it the 101st-largest city in Washington. The median household income is $162,646, the median home value is $1,128,200, and the median age is 37.4.
The population has grown 25.7% since 2010 (10,398 → 13,072).
12,945
Population
2919
People / sq mi
$162,646
Median Income
$1,128,200
Median Home Value
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Newcastle covers 4.4 sq mi of land at 2919 people per square mile.
About Newcastle, WA
Housing cost is the defining feature of Newcastle: the median home is valued at $1,128,200. With 12,945 residents, Newcastle is a city in Washington.
Households here are among the highest-earning of all US cities: median income is $162,646, above the US median of $78,538. Hardship is rare relative to US cities: a poverty rate of just 1.9%, below the national 12.4%. Real estate commands a premium here — a median home value of $1,128,200, with typical rent around $2,314.
Degree attainment is near the top of the range for US cities: 71.1% of adults 25+ hold a bachelor’s, above the 35.0% national rate. Remote work is widespread — 26.8% of workers stay home, above the national 14.0%, and the average commute runs about 28 minutes each way.
High housing values reframe the income picture in Newcastle — even solid earnings stretch less against home prices and rents at this level.
Newcastle city Population History (2010-2024)
The city of Newcastle city had a population of 10,398 in 2010 and 13,072 in 2024, a 25.7% growth over 14 years. The peak was 13,145 in 2020. Average annual growth rate: 1.67%.
13,072
Population (2024)
10,398
Population (2010)
13,145
Peak (2020)
1.67%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 10,398 |
| 2011 | 10,541 |
| 2012 | 10,785 |
| 2013 | 11,025 |
| 2014 | 11,182 |
| 2015 | 11,356 |
| 2016 | 11,583 |
| 2017 | 11,748 |
| 2018 | 11,780 |
| 2019 | 12,292 |
| 2020 | 13,145 |
| 2021 | 12,972 |
| 2022 | 12,887 |
| 2023 | 12,877 |
| 2024 | 13,072 |
Race & Ethnicity
| White | 43.3% |
| Black or African American | 1.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.9% |
| Two or More Races | 0.0% |
Economy & Income
$162,646
Median Household Income
$93,095
Per Capita Income
1.9%
Poverty Rate
3.4%
Unemployment Rate
Housing
$1,128,200
Median Home Value
$2,314
Median Rent
63.6%
Owner-Occupied
Education
98.3%
High School+
71.1%
Bachelor's+
Commute
2.6%
Drive Alone
61.4%
Public Transit
26.8%
Work From Home
27.8 min
Avg Commute
Community Profile
31.1%
Foreign Born
60.5%
Non-English at Home
2.7%
Veterans
8.5%
With Disability
97.3%
Health Insurance
97.6%
Internet Access
Employment by Industry
| Finance, Insurance & Real Estate | 21.3% |
| Professional, Scientific & Management | 17.6% |
| Manufacturing | 10.6% |
| Information | 9.1% |
| Transportation & Warehousing | 6.2% |
| Education, Health Care & Social Services | 5.4% |
| Arts, Entertainment & Food Services | 3.4% |
| Retail Trade | 3.2% |
| Construction | 2.8% |
| Public Administration | 0.8% |
| Agriculture & Mining | 0.3% |
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Frequently Asked Questions
Newcastle, Washington has a population of 12,945 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 101st-largest city in Washington.
The median household income in Newcastle, Washington is $162,646, with 1.9% of residents living below the federal poverty level.
The median home value in Newcastle, Washington is $1,128,200, with median monthly rent at $2,314 and a homeownership rate of 63.6%.
The median age in Newcastle, Washington is 37.4 years. The population is 50.3% male and 49.7% female.
The population has grown 25.7% since 2010 (10,398 → 13,072).
Where to stay in Newcastle
Visiting or relocating to Newcastle, WA? Compare hotels and short-term rentals across the metro — live availability and prices.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.