Firthcliffe, NY ZIP Codes
2 ZIP codes serve Firthcliffe, New York: 12518 and 12520. Together they are home to 9,195 residents in 3,718 households. That is more than the 5,432 people counted inside Firthcliffe Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $101,208 in 12518 to $136,797 in 12520.
Firthcliffe Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 5,432 |
| Households | 2,203 |
| Median household income | $101,250 |
| Median home value | $407,400 |
| Median age | 39.9 |
| Median rent | $1,831 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 9,195 |
| Households (sum of ZIP codes) | 3,718 |
| Median household income, range across ZIP codes | $101,208 (12518) to $136,797 (12520) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $113,010 |
| Homeowners | 69.2% |
| Households with kids under 18 | 26.9% |
| Moved in the past year | 8.8% |
| Carrier routes in EDDM2GO's route library | 9 routes, 3,614 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Firthcliffe: 12520 ($136,797)
- Most residents: 12518 (6,114 people)
- Highest homeownership: 12520 (71.5% own their home)
- Most households with kids: 12518 (27.4% of households)
- Most new movers: 12518 (10.0% moved in last year)
- Youngest median age: 12518 (41.4 years)
- Highest median home value: 12520 ($473,000)
Every ZIP code in Firthcliffe
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 12518 | Cornwall | 6,114 | 2,485 | $101,208 | $432,000 | 68.1% | 27.4% | 10.0% | 5 | 2,483 | 30% of its land |
| 12520 | Cornwall On Hudson | 3,081 | 1,233 | $136,797 | $473,000 | 71.5% | 26.0% | 6.3% | 4 | 1,359 | 8% of its land |
A ZIP code is listed for Firthcliffe when at least 10% of its land lies inside the Firthcliffe Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Firthcliffe. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Firthcliffe.
Counties
- Orange County — 50 ZIP codes
Price a mailing to Firthcliffe ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Firthcliffe, NY?
- 12518 and 12520. A ZIP code is listed for Firthcliffe when at least 10% of its land lies inside the Firthcliffe Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Firthcliffe.
- What is the population of Firthcliffe, NY?
- The Census Bureau counts 5,432 residents inside Firthcliffe Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Firthcliffe hold 9,195 residents in all.
- What is the median household income in Firthcliffe, NY?
- $101,250 inside Firthcliffe Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $101,208 to $136,797.
- Which Firthcliffe ZIP code has the highest median household income?
- 12520, at $136,797, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Firthcliffe, NY?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 9 carrier routes reaching 3,614 residential and 228 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.