Newcastle is a city located in King County Washington. Newcastle has a 2024 population of 12,633. Newcastle is currently declining at a rate of -1% annually and its population has decreased by -3.89% since the most recent census, which recorded a population of 13,144 in 2020.
The average household income in Newcastle is $239,714 with a poverty rate of 3.14%. The median age in Newcastle is 37.4 years: 36.2 years for males, and 39.1 years for females.
According to the most recent ACS, the racial composition of Newcastle was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 5,600 | 43.26% |
| Asian | 5,118 | 39.54% |
| Two or more races | 1,538 | 11.88% |
| Other race | 486 | 3.75% |
| Black or African American | 203 | 1.57% |
| Native American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Asian
Two or more races
Other race
Black or African American
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 5,373 | 2.4 | 63.6 | 36.4 |
| Married | 2,993 | 2.9 | 81.3 | 18.7 |
| Non Family | 1,769 | 1.41 | 32.7 | 67.3 |
| Female | 346 | 3.46 | 65 | 35 |
| Male | 265 | 2.01 | 69.4 | 30.6 |
2.84
Average Family Size
2.4
Average Household Size
63.6%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 54 | 0.57% |
| Associates Degree | 602 | 6.34% |
| Bachelors Degree | 3,690 | 38.85% |
| Graduate Degree | 3,068 | 32.3% |
| High School Graduate | 780 | 8.21% |
| Less Than 9th Grade | 110 | 1.16% |
| Some College | 1,195 | 12.58% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 4,278 | 4,258 | 2,887 |
| Asian | 3,744 | 3,615 | 2,848 |
| 2+ Races | 702 | 687 | 457 |
| Hispanic | 433 | 418 | 206 |
| Other Race | 416 | 416 | 345 |
| Black | 141 | 141 | 71 |
The highest rate of high school graduation is among black people with a rate of 100%.
The highest rate of bachelors degrees is among other race people with a rate of 82.93%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $110,262 | $132,188 | $80,714 |
| Graduate Degree | $138,802 | $154,650 | $69,306 |
| High School Graduate | $62,326 | $61,944 | $79,219 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $101,021 | $128,320 | $73,211 |
| Some College | $61,721 | $79,167 | $47,227 |
$101,021
Average Earnings
$128,320
Average Male
$73,211
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
60.54% of Newcastle residents speak only English, while 39.46% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 25.66% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Asian | 5,117 | 172 | 3.36% |
| White | 5,220 | 158 | 3.03% |
| Hispanic | 754 | 72 | 9.55% |
| Multiple | 1,413 | 47 | 3.33% |
| Other | 486 | 25 | 5.14% |
3.14%
Overall Poverty Rate
2.37%
Male Poverty Rate
3.91%
Female Poverty Rate
The race most likely to be in poverty in Newcastle is Hispanic, with 9.55% below the poverty level.
The race least likely to be in poverty in Newcastle is White, with 3.03% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 1.75%, and for those that did not work, the poverty rate was 10.41%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 25% |
| High School | 9.94% |
| Some College | 4.12% |
| Bachelors or Greater | 1.08% |
rate
Rate | Poverty |
|---|---|
| Female Unemployed | 17.92% |
| Male Unemployed | 13.1% |
| Female Employed | 0.24% |
| Male Employed | 0.19% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $215,600 | $289,599 |
| Households | $162,646 | $239,714 |
| Married Families | $225,699 | $-999,999,999 |
| Non Families | $91,518 | $109,541 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
59.7%
Overall Marriage Rate
60.8%
Male Marriage Rate
58.7%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
279
Number of Veterans
277
Male Veterans
2
Female Veterans
War | Veterans |
|---|---|
| First Gulf War | 122 |
| Second Gulf War | 51 |
| Vietnam | 25 |
| Korea | 17 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 65 to 74 | 106 |
| 35 to 54 | 103 |
| 75+ | 54 |
| 55 to 64 | 15 |
| 18 to 34 | 1 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 152 | 3.19% |
| Asian | 61 | 1.51% |
| Black | 57 | 33.73% |
| Hispanic | 36 | 7.42% |
| 2+ Races | 9 | 1.13% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
25.63%
Veteran Disability Rate
LaborForceParticipation
66.5%
Labor Force Participation
63%
Employment Rate
5.1%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
35.81%
Born in Newcastle
69.61%
Native Born
30.39%
Foreign Born
13.07%
Non Citizen
17.32%
Naturalized
69.61% of Newcastle residents were born in the United States, with 35.81% having been born in Washington. 13.07% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 11,995 | -127 | -1.05% |
| 2028 | 12,122 | -128 | -1.04% |
| 2027 | 12,250 | -128 | -1.03% |
| 2026 | 12,378 | -127 | -1.02% |
| 2025 | 12,505 | -128 | -1.01% |
| 2024 | 12,633 | -128 | -1% |
| 2023 | 12,761 | -144 | -1.12% |
| 2022 | 12,905 | -90 | -0.69% |
| 2021 | 12,995 | -149 | -1.13% |
| 2020 | 13,144 | 858 | 6.98% |
| 2019 | 12,286 | 497 | 4.22% |
| 2018 | 11,789 | 27 | 0.23% |
| 2017 | 11,762 | 163 | 1.41% |
| 2016 | 11,599 | 231 | 2.03% |
| 2015 | 11,368 | 175 | 1.56% |
| 2014 | 11,193 | 158 | 1.43% |
| 2013 | 11,035 | 241 | 2.23% |
| 2012 | 10,794 | 247 | 2.34% |
| 2011 | 10,547 | 151 | 1.45% |
| 2010 | 10,396 | 0 | 0% |
| 2000 | 7,737 | -4,258 | -35.5% |