ZIP Code 08559 - Stockton New Jersey
Overview
ZIP Code 08559 is located in Stockton New Jersey. Portions of 08559 are also in Ringoes and Delaware Township and East Amwell Township and Kingwood Township and West Amwell Township and Raritan Township and Rosemont and Sergeantsville. 08559 is entirely within Hunterdon County. Regionally, 08559 is located in the Northern New Jersey Area.
ZIP Code 08559 Quick Stats
| ZIP Code Name | Stockton |
| Primary County | Hunterdon County |
| ZIP Code Type | Standard |
| Population (2022) | 4,902 |
| Area Code(s) | 609 / 640 / / 908 |
| Current Time | EDT |
ZIP Code 08559 Map
08559 Demographics
08559 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in New Jersey based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 08559 is White. The current unemployment level in 08559 is 4.7%.
| Population | 4,902 |
| Population Growth Rate | -0.17% |
| Population Density | 125 People per Square Mile |
| Total Households | 2,085 |
| Percentage High Income Households | 20.9% |
| Median Household Income (2021) | $137,524 |
| Average Adjusted Gross Income (2021) | $500,450 |
| Current Unemployment Rate (May 2026) | 4.7% |
| Sales Tax Rate (2025) | 6.6% |
| Majority Race/Ethnicity | White - 92.12% |
08559 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 4,955 | 92.12% |
| Black | 10 | 0.19% |
| Hispanic | 369 | 6.86% |
| Asian | 20 | 0.37% |
| Native American | 25 | 0.46% |
| Hawaiian/Pac. Islander | 0 | 0% |
08559 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 134 | 3.7% |
| Bachelor Degree | 1,014 | 28% |
| High School Diploma | 780 | 21.54% |
| No High School Diploma | 18 | 0.5% |
| GED or Alternate | 118 | 3.26% |
| 1 or More Years of College | 434 | 11.98% |
| Associates Degree | 229 | 6.32% |
| Masters Degree | 519 | 14.33% |
| Professional Degree | 246 | 6.79% |
| Doctorate Degree | 130 | 3.59% |
08559 Geography
| Coordinates | 40.44034195, -74.97199249 |
| Adjacent ZIP Codes | |
| Cities/Towns in 08559 | |
| Region | Northern New Jersey Area |
| Metropolitan/Micropolitan Stat Area | New York-Newark-Jersey City, NY-NJ-PA |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 39 Square Miles |
08559 Schools
08559 Weather and Climate Data
| Plant Hardiness Zone | Zone 6b: -5F to 0F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 64a - Triassic Lowlands | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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