Newcastle
Census-designated place in Placer County, California

Newcastle is an unincorporated community (census-designated place) in Placer County, California, with 1,321 residents (2020 Census). It sits at 945 ft (288 m) above sea level. The nearest town is Penryn, 2.4 miles SW.
- 1,321residents (2020 Census)
- 945 ftelevation · 288 m
- 2.4 sq miland area · 6.2 km²
- 552 / sq mipopulation density
- 95658ZIP code
About Newcastle
Newcastle is an unincorporated community and census-designated place (CDP) in Placer County, California. Nestled in the Sierra Nevada foothills, Newcastle is located 8 miles (12.9 km) northeast of Rocklin and 31 miles northeast of Sacramento. Newcastle generally has moderate winters and warm summers.
As of the 2020 U.S. Census, Newcastle had a population of 1,321.
Text: Wikipedia · CC BY-SA 4.0
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- Median household income
- $108,750
- Median home value
- $598,000
- Median rent
- $1,798/mo
- Median age
- 42.3
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Map of Newcastle
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Newcastle Street View
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Open in Google Maps ›Newcastle, CA population
Newcastle had 1,321 residents in the 2020 Census.
| 2020 Census | 1,321 |
|---|---|
| Density | 552 per sq mi (213 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Newcastle at a glance
| State | California (CA) |
|---|---|
| County | Placer County |
| Type | Census-designated place |
| Population | 1,321 (2020) |
| Land area | 2.39 sq mi (6.2 km²) |
| Water area | 0.00 sq mi (0.01 km²) |
| Elevation | 945 ft (288 m) |
| Coordinates | 38.8665° N, 121.1320° W |
| ZIP code | 95658 |
| Census code (GEOID) | 0651000 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Newcastle
- Penryn2.4 mi SW
- Auburn3.6 mi NE
- North Auburn5.2 mi NE
- Loomis5.2 mi SW
- Granite Bay7.4 mi S
- Rocklin7.6 mi SW
- Auburn Lake Trails8.3 mi E
- Lincoln9.3 mi W
- Meadow Vista10.6 mi NE
- Roseville12.1 mi SW
- Lake of the Pines12.5 mi N
- Orangevale13.2 mi S
Straight-line distance between town centers.
Frequently asked questions about Newcastle
What county is Newcastle in?
Newcastle is in Placer County, California.
What is the population of Newcastle, CA?
1,321 people lived in Newcastle at the 2020 Census.
What is the ZIP code of Newcastle, CA?
The ZIP code of Newcastle is 95658.
What is the elevation of Newcastle?
945 feet (288 m) above sea level.
What towns are near Newcastle?
Penryn (2.4 mi), Auburn (3.6 mi), North Auburn (5.2 mi), Loomis (5.2 mi), Granite Bay (7.4 mi).
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