Mountain Lake, NJ ZIP Codes
One ZIP code serves Mountain Lake, New Jersey: 07823. Together they are home to 7,451 residents in 3,512 households. That is more than the 574 people counted inside Mountain Lake Census-designated place, because these ZIP codes reach past its boundary.
Mountain Lake Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 574 |
| Households | 244 |
| Median household income | $108,056 |
| Median home value | $340,000 |
| Median age | 55.4 |
| Median rent | $1,808 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 7,451 |
| Households (sum of ZIP codes) | 3,512 |
| Median household income, range across ZIP codes | $85,522 (07823) to $85,522 (07823) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $85,522 |
| Homeowners | 67.5% |
| Households with kids under 18 | 18.3% |
| Moved in the past year | 8.1% |
| Carrier routes in EDDM2GO's route library | 6 routes, 3,394 homes (1 of 1 ZIP codes) |
Every ZIP code in Mountain Lake
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 07823 | Belvidere | 7,451 | 3,512 | $85,522 | $322,000 | 67.5% | 18.3% | 8.1% | 6 | 3,567 | 4% of its land |
A ZIP code is listed for Mountain Lake when at least 10% of its land lies inside the Mountain Lake Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Mountain Lake. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Mountain Lake.
Counties
- Warren County — 19 ZIP codes
Price a mailing to Mountain Lake ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Mountain Lake, NJ?
- 07823. A ZIP code is listed for Mountain Lake when at least 10% of its land lies inside the Mountain Lake Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Mountain Lake.
- What is the population of Mountain Lake, NJ?
- The Census Bureau counts 574 residents inside Mountain Lake Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Mountain Lake hold 7,451 residents in all.
- What is the median household income in Mountain Lake, NJ?
- $108,056 inside Mountain Lake Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $85,522 to $85,522.
- How many carrier routes and mailboxes are in Mountain Lake, NJ?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 6 carrier routes reaching 3,394 residential and 179 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.