Newcastle, CA ZIP Codes
One ZIP code serves Newcastle, California: 95658. Together they are home to 5,894 residents in 2,241 households. That is more than the 1,585 people counted inside Newcastle Census-designated place, because these ZIP codes reach past its boundary.
Newcastle Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 1,585 |
| Households | 620 |
| Median household income | $108,750 |
| Median home value | $598,000 |
| Median age | 42.3 |
| Median rent | $1,798 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 5,894 |
| Households (sum of ZIP codes) | 2,241 |
| Median household income, range across ZIP codes | $126,581 (95658) to $126,581 (95658) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $126,581 |
| Homeowners | 91.8% |
| Households with kids under 18 | 24.3% |
| Moved in the past year | 8.6% |
| Carrier routes in EDDM2GO's route library | 4 routes, 2,518 homes (1 of 1 ZIP codes) |
Every ZIP code in Newcastle
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 95658 | Newcastle | 5,894 | 2,241 | $126,581 | $837,700 | 91.8% | 24.3% | 8.6% | 4 | 2,644 | 10% of its land; mailing city |
A ZIP code is listed for Newcastle when at least 10% of its land lies inside the Newcastle Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Newcastle. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Newcastle.
Counties
- Placer County — 33 ZIP codes
Price a mailing to Newcastle ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Newcastle, CA?
- 95658. A ZIP code is listed for Newcastle when at least 10% of its land lies inside the Newcastle Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Newcastle.
- What is the population of Newcastle, CA?
- The Census Bureau counts 1,585 residents inside Newcastle Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Newcastle hold 5,894 residents in all.
- What is the median household income in Newcastle, CA?
- $108,750 inside Newcastle Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $126,581 to $126,581.
- How many carrier routes and mailboxes are in Newcastle, CA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 4 carrier routes reaching 2,518 residential and 126 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.