Newcastle, California Demographics & Population 2026
During the 2020–2024 ACS period, Newcastle, California had a total population of 1,585, the 951st largest community in California, with a median household income of $108,750, which is 10% higher than the state average. The poverty rate is 12.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Newcastle Quick Facts
How Newcastle Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 1,594 | 1,585 | -0.6% |
| Median household income | $110,446 | $108,750 | -1.5% |
| Median home value | $596,400 | $598,000 | +0.3% |
How Newcastle Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 70 | National average: 61
Education
Educational Attainment (Adults 25+)
Newcastle Rankings in California
Explore California Rankings
Other Cities in Placer County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Roseville | 155,955 | $119,288 | 5.9% | $661,400 |
| Rocklin | 73,327 | $124,168 | 5.6% | $703,400 |
| Lincoln | 52,956 | $111,990 | 6.9% | $651,000 |
| Granite Bay | 21,673 | $184,606 | 5.1% | $1,135,900 |
| Auburn | 13,768 | $82,674 | 13.0% | $672,500 |
| North Auburn | 13,480 | $71,056 | 11.1% | $530,400 |
| Loomis | 6,853 | $81,487 | 13.5% | $634,500 |
| Meadow Vista | 3,162 | $100,859 | 4.8% | $640,300 |
| Kings Beach | 2,736 | $68,153 | 6.8% | $772,100 |
| Colfax | 2,407 | $72,788 | 13.1% | $434,300 |
Cities Similar to Newcastle
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Middletown | 1,572 | N/A | $403,900 | 14.4% | 8.1% |
| Descanso | 1,590 | $110,132 | $662,600 | 15.5% | 3.7% |
| Sunnyside-Tahoe City | 1,599 | $118,493 | $1,019,300 | 57.1% | 1.4% |
| Allendale | 1,734 | $107,679 | $1,057,600 | 35.8% | 7.8% |
| Bakersfield Country Club | 1,707 | $102,266 | $396,800 | 30.8% | 9.4% |
Population Overview
Newcastle is a small community located in California, within Placer County. The total population is 1,585. It ranks as the 951st most populous out of 1,570 Census-designated places in California.
Age Demographics
The median age in Newcastle is 42.3 years. This is 12% higher than the state median of 37.9 years. 10.8% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Newcastle is $108,750. This is 10% higher than the state median of $99,122. It is also 35% higher than the national median of $80,734. The poverty rate stands at 12.4%. This is 3% higher than the state poverty rate of 12.0%. The unemployment rate is 2.8%. This is 57% lower than the state rate of 6.6%. The median home value is $598,000. Housing costs are 19% lower than the state median of $734,700. The home-value-to-income ratio is 5.5x. 88.5% of occupied housing units are owner-occupied. This homeownership rate is 59% higher than the state average of 55.9%.
Race & Ethnicity
The largest racial or ethnic group in Newcastle is White (non-Hispanic), making up 76.2% of the population. Hispanic or Latino residents account for 15.8%. The White (non-Hispanic) population is significantly higher than the state average (76.2% vs 33.8%). The Black or African American population (1.0%) is well below the state average of 5.2%. The Hispanic or Latino population (15.8%) is well below the state average of 40.2%. The Asian population (0.8%) is well below the state average of 15.3%.
Education
27.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 25% lower than the state rate of 37.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.0%.
Data Sources & Methodology
All demographic data for Newcastle, California is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,570 Census-designated places in California. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all California city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Newcastle, California?
Newcastle, California has a population of 1,585 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Newcastle, CA?
The median household income in Newcastle is $108,750, which is 35% higher than the national median of $80,734.
What is the poverty rate in Newcastle, CA?
The poverty rate in Newcastle is 12.4%. This means approximately 197 residents live below the federal poverty line.
What is the racial makeup of Newcastle, California?
Newcastle's population is 76.2% White, 1.0% Black, 15.8% Hispanic/Latino, and 0.8% Asian.
What is the median home value in Newcastle, CA?
The median home value in Newcastle is $598,000. The home-value-to-income ratio is 5.5x.
How educated is Newcastle, California?
27.7% of adults (25+) in Newcastle hold a bachelor's degree or higher, and 13.2% hold a graduate or professional degree.