| ZIP Codes: | 27 ZIP Codes (19 Standard, 7 PO Box, 1 Unique) [See All] |
| Area Codes: | 862 / 908 / 973 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:54:29 PM |
| Population: | 147,073 [See All] |
| FIPS: | 34037 |
| CBSA: | New York-Newark-Jersey City, NY-NJ |
| Land Area: | 531 sq mi |
| Water Area: | 18 sq mi |
| Coordinates: | 41.1010, -74.6881 |
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147,073 residents live across 27 ZIPs covering 531 sq mi, served by 26 distinct USPS-recognized cities.
Population moved from 148,705 to 147,073 from 2014 to 2024 — a -1.1% change. 8 ZIPs gained residents, 11 lost.
The county's wealthiest ZIP 07871 (Sparta, $167,654 median) and poorest ZIP 07416 (Franklin, $93,983) are 4.5 miles apart — a 1.8× income gap across local geography.
Median home values vary 1.7× across this county — from $280,400 in 07462 (Vernon) to $479,700 in 07871 (Sparta).
Density varies 26× across the county — from 86 people/sq mi in 07827 (Montague) to 2,226 in 07843 (Hopatcong).
Educational attainment ranges from 21.2% bachelor's+ in 07416 (Franklin) to 62.4% in 07871 (Sparta) — the breadth of educational profiles across the area.
Within New Jersey, this is the #17 most populous of 21 counties and ranks #8 for median household income .
On the national stage, Sussex County is ranks #95 for income .
Hosts 1 single-entity Unique ZIP: 07890Selected Risks Insurance Co .
Weighted by population, the typical household earns about $121,458 across the county — reflecting what a typical resident sees, not a simple ZIP average.
40.3% of adults age 25+ hold a bachelor's degree or higher (43,179 of 107,269 reporting).
19 Standard delivery, 7 PO Box only, 1 single-entity Unique ZIPs serve this county.
1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 07860 | Newton | Standard | 26,047 | $110,045 | 105.3 | -1.9% |
| 07871 | Sparta | Standard | 21,437 | $167,654 | 40.1 | 2.7% |
| 07461 | Sussex | Standard | 18,731 | $106,981 | 89.7 | -5.5% |
| 07843 | Hopatcong | Standard | 11,098 | $108,651 | 5.0 | -6.7% |
| 07419 | Hamburg | Standard | 9,693 | $100,713 | 17.4 | 10.9% |
| 07821 | Andover | Standard | 9,662 | $141,860 | 46.5 | 1.8% |
| 07874 | Stanhope | Standard | 8,752 | $132,500 | 10.6 | -0.2% |
| 07462 | Vernon | Standard | 7,195 | $95,945 | 16.5 | 6.7% |
| 07826 | Branchville | Standard | 5,967 | $116,598 | 46.8 | -1.5% |
| 07416 | Franklin | Standard | 5,851 | $93,983 | 12.5 | 0.6% |
| 07422 | Highland Lakes | Standard | 5,280 | $108,722 | 15.7 | -16.6% |
| 07848 | Lafayette | Standard | 4,257 | $128,317 | 23.5 | -9.2% |
| 07827 | Montague | Standard | 4,109 | $101,444 | 47.9 | -3.0% |
| 07460 | Stockholm | Standard | 3,181 | $145,081 | 28.8 | -11.0% |
| 07418 | Glenwood | Standard | 2,559 | $156,439 | 5.1 | 37.5% |
| 07439 | Ogdensburg | Standard | 2,160 | $105,551 | 2.2 | -10.6% |
| 07822 | Augusta | Standard | 827 | $114,545 | 7.0 | 13.0% |
| 07851 | Layton | Standard | 263 | $108,419 | 11.0 | 148.1% |
| 07881 | Wallpack Center | Standard | 4 | — | 0.0 | -55.6% |
| 07890 | Branchville | Unique | — | — | 0.0 | — |
| 07428 | Mc Afee | PO Box | — | — | 0.0 | — |
| 07877 | Swartswood | PO Box | — | — | 0.0 | — |
| 07837 | Glasser | PO Box | — | — | 0.0 | — |
| 07839 | Greendell | PO Box | — | — | 0.0 | — |
| 07875 | Stillwater | PO Box | — | — | 0.0 | — |
| 07879 | Tranquility | PO Box | — | — | 0.0 | — |
| 07855 | Middleville | PO Box | — | — | 0.0 | — |