Rail Road Flat, CA ZIP Codes
2 ZIP codes serve Rail Road Flat, California: 95245 and 95248. Together they are home to 2,787 residents in 1,153 households. That is more than the 498 people counted inside Rail Road Flat Census-designated place, because these ZIP codes reach past its boundary.
Rail Road Flat Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 498 |
| Households | 183 |
| Median household income | $87,951 |
| Median home value | $426,100 |
| Median age | 44.5 |
| Median rent | $914 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 2,787 |
| Households (sum of ZIP codes) | 1,153 |
| Median household income, range across ZIP codes | $84,405 (95245) to $84,405 (95245) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $84,405 |
| Homeowners | 84.1% |
| Households with kids under 18 | 25.7% |
| Moved in the past year | 6.9% |
| Carrier routes in EDDM2GO's route library | 2 routes, 825 homes (1 of 2 ZIP codes) |
Every ZIP code in Rail Road Flat
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 95245 | Mokelumne Hill | 2,727 | 1,140 | $84,405 | $482,000 | 83.9% | 24.9% | 7.1% | 2 | 841 | 7% of its land |
| 95248 | Rail Road Flat | 60 | 13 | — | — | 100.0% | 100.0% | 0.0% | — | — | 14% of its land; mailing city |
A ZIP code is listed for Rail Road Flat when at least 10% of its land lies inside the Rail Road Flat Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Rail Road Flat. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Rail Road Flat.
Counties
- Calaveras County — 20 ZIP codes
Price a mailing to Rail Road Flat ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Rail Road Flat, CA?
- 95245 and 95248. A ZIP code is listed for Rail Road Flat when at least 10% of its land lies inside the Rail Road Flat Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Rail Road Flat.
- What is the population of Rail Road Flat, CA?
- The Census Bureau counts 498 residents inside Rail Road Flat Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Rail Road Flat hold 2,787 residents in all.
- What is the median household income in Rail Road Flat, CA?
- $87,951 inside Rail Road Flat Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $84,405 to $84,405.
- How many carrier routes and mailboxes are in Rail Road Flat, CA?
- For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 2 carrier routes reaching 825 residential and 16 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.