Newcastle, CA ZIP code
The ZIP code for Newcastle, California is 95658. It is in Placer County.
- Population in these ZIPs
- 5,894
- Avg. median income
- $126,600population-weighted
- Typical home value
- $931,800population-weighted
- Metro area
- Sacramento-Roseville-Folsom, CA
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Newcastle, CA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 95658 | 5,894 | $126,581 | $931,800 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Newcastle
- Penryn 2 mi
- Loomis 5 mi
- Rocklin 7 mi
- Lincoln 8 mi
- Pilot Hill 9 mi
- Granite Bay 9 mi
- Cool 10 mi
- Roseville 11 mi
- Meadow Vista 11 mi
- Applegate 12 mi
- Sheridan 13 mi
- Represa 13 mi
Frequently asked questions
What is the ZIP code for Newcastle, CA?
The ZIP code for Newcastle, CA is 95658.
What county is Newcastle, California in?
Newcastle ZIP codes are in Placer County.